Answer: The variables h and k in the general formula for a cube root function affect the graph by causing a horizontal and vertical shift, respectively. The value of h determines the horizontal position of the graph by shifting it to the right or left along the x-axis. If h is positive, the graph will shift to the right, and if h is negative, the graph will shift to the left. On the other hand, the value of k determines the vertical position of the graph by shifting it up or down along the y-axis. If k is positive, the graph will shift upward, and if k is negative, the graph will shift downward. It is important to note that these shifts do not affect the shape of the graph, only its position on the coordinate plane. Therefore, changing the values of h and k in the general formula for a cube root function will cause the graph to shift, but the overall shape of the graph will remain the same.
Step-by-step explanation:
50 Points!!! Are collinear lines real? If so, explain.
Answer:
You may see many real-life examples of collinearity such as a group of students standing in a straight line, a bunch of apples kept in a row, next to each other, etc. In geometry, two or more points are said to be collinear, if they lie on the same line.
Step-by-step explanation:
Hope this helps!=D
suppose the pharmaceutical company in problem 4.6-21 ran a pilot survey of 20 patients with headache pain and found 14 of them had pain relief within 30 minutes using their product. (a) what is the necessary sample size for future surveys such that a 95% confidence interval for p has an interval width of no more than 6%? is this sample size the same as, or smaller or larger than that from problem 4.6-21 (a)? (b) what is the necessary sample size for future surveys such that a 99% confidence interval for p has an interval width of no more than 6%? is this sample size the same as, or smaller or larger than that from problem 4.6-21 (b)?
a) The necessary sample size for a 95% confidence interval with an interval width of no more than 6% is 147.
b) The necessary sample size for a 99% confidence interval with an interval width of no more than 6% is 263.
(a) To find the necessary sample size for future surveys such that a 95% confidence interval for p has an interval width of no more than 6%, we use the formula:
n = (Zα/2/ME)² × p(1-p)
where Zα/2 is the Z-score for the desired confidence level (1.96 for 95% confidence), ME is the margin of error (0.06), and p is the estimated proportion of patients with pain relief from the pilot survey (14/20 = 0.7). Substituting these values into the formula, we get:
n = (1.96/0.06)² × 0.7(1-0.7) = 146.95
Therefore, This sample size is larger than the sample size in problem 4.6-21(a), which was 100.
(b) To find the necessary sample size for future surveys such that a 99% confidence interval for p has an interval width of no more than 6%, we use the same formula as above but with a Z-score of 2.576 for 99% confidence:
n = (2.576/0.06)² × 0.7(1-0.7) = 262.43
Therefore, This sample size is larger than the sample size in problem 4.6-21(b), which was 176.
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Write the equation of the line when the slope is 3 and the line goes through the point (3,2).
Answer:
y = 3x -7
Step-by-step explanation:
Since we already know that the slope is 3 and it goes through the point (3,2).
We can use - Slope intercept form: y = mx + b to find the y-intercept first.
Using the given info:
m = 3
x = 3
y = 2
Thus,
2 = 3(3) + b
2 = 9 + b
2- 9 = 9- 9 + b
-7 = b
Hence, the y-intercept is -7.
As a result,
y = mx + b >> plug it in
y = 3x -7
RevyBreeze
share £80 in the ratio 1:3:4 (please give workings out)
Step-by-step explanation:
There are 1+ 3+ 4 = 8 parts to divide
80 / 8 = £ 10 for each part
1 part = 1 x 10 = £ 10
3 parts = 3 x 10 = £ 30
4 parts = 4 x 10 = £ 40
Answer:
10
Step-by-step explanation:
1+3+4=8
80/8=10
a 10 foot tall ladder makes an angle of 60 degrees with the ground as it leans against a wall. how far up the wall does the ladder reach?
The ladder reaches the wall at a height of 8.66 from the ground. We solve this problem with an understanding of trigonometry.
From the given situation, we can construct a right-angled triangle where the base is the distance between the ladder and the wall, the hypotenuse is the length of the ladder i.e. 10 feet and the height up to which it reaches is perpendicular (let's assume that to be x).
We can use trigonometry's sine relation to solve this problem, according to which,
sine(60°)=perpendicular/hypotenuse
sin(60°)=x/10
0.866=x/10
so,
x=10×0.866
x=8.66
Hence, we find that The ladder reaches the wall at a height of 8.66 from the ground.
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the average lifespan for a certain type of vehicle is 8 years and follows an exponential distribution. a lot contains 200 of these vehicles, brand new. (a) how many of the 200 would you expect to fail in their first 2 years? (b) what is the approximate probability that 50 or more of them fail in their first 2 years? (c) if you have learned that 30 vehicles have already failed in under 2 years, what is the approximate probability that no more than 10 of the rest of them fail in their first 2 years?
The answers to the questions are as follows a)50 out of the 200 vehicles will fail in their first 2 years. b)The approximate probability that 50 or more vehicles fail in their first 2 years is essentially zero. c) the approximate probability that no more than 10 of the remaining vehicles fail in their first 2 years is essentially zero.
(a) The average lifespan of the vehicle follows an exponential distribution with a rate parameter of λ = 1/8 since the average lifespan is 8 years. Let X be the number of vehicles that fail in their first 2 years. Then X follows a Poisson distribution with parameter λt, where t is the time period of interest, which is 2 years. Therefore, the expected number of vehicles that fail in their first 2 years is E(X) = λt = (1/8)*2 = 1/4. So we would expect 1/4 * 200 = 50 of the 200 vehicles to fail in their first 2 years.
(b) The number of vehicles that fail in their first 2 years follows a Poisson distribution with parameter λt = 1/4. To approximate the probability that 50 or more of them fail in their first 2 years, we can use the normal approximation to the Poisson distribution. The mean of the normal distribution is μ = λt = 1/4, and the variance is σ^2 = λt = 1/4.
Therefore, the standard deviation is σ = [tex]\sqrt{\frac{1}{4} }[/tex]= 1/2. To standardize the random variable X, we use the formula Z = (X - μ)/σ. Therefore, Z = (50 - 1/4)/(1/2) = 99.5. Using a standard normal distribution table or calculator, the probability of Z being greater than or equal to 99.5 is essentially zero, so the approximate probability that 50 or more vehicles fail in their first 2 years is essentially zero.
(c) Given that 30 vehicles have already failed in under 2 years, 170 vehicles are remaining. We want to find the probability that no more than 10 fail in their first 2 years. Since the number of vehicles that fail in their first 2 years follows a Poisson distribution with parameter λt = 1/4, the number of vehicles that do not fail in their first 2 years follows a Poisson distribution with parameter μ = λt * (number of remaining vehicles) = (1/4)*170 = 42.5. Therefore, the probability that no more than 10 of the remaining vehicles fail in their first 2 years is the same as that a Poisson distribution with parameter 42.5 is less than or equal to 10.
The resulting Z-score is Z = (10 - 42.5)/sqrt(42.5) = -6.72. Using a standard normal distribution table or calculator, the probability of Z being less than or equal to -6.72 is essentially zero, so the approximate probability that no more than 10 of the remaining vehicles fail in their first 2 years is essentially zero.
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Please help I need it done now !!
Good chance of event happening
A. Impossible
B. Likely
C. Certain
D. Maybe
what type of hypothesis posits a difference between groups, but the difference is not specified? group of answer choices directional hypothesis research hypothesis nondirectional hypothesis null hypothesis
The type of hypothesis which posits a difference between groups, but the difference is not specified is (c) nondirectional hypothesis.
The Non-Directional hypothesis explains that there is a difference between two groups without specifying the direction of the difference.
The non-directional hypothesis is also known as a two-tailed hypothesis.
For example, a nondirectional hypothesis might be "there is a difference in intelligence between males and females" without specifying whether males or females have higher intelligence.
A nondirectional hypothesis is appropriate when there is no prior knowledge or expectation about the direction of the difference between two groups.
Therefore, the correct option is (c).
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The given question is incomplete, the complete question is
What type of hypothesis posits a difference between groups, but the difference is not specified?
(a) directional hypothesis
(b) research hypothesis
(c) nondirectional hypothesis
(d) null hypothesis.
as the sample size becomes larger, the sampling distribution of the sample mean approaches a . a. binomial distribution b. poisson distribution c. hypergeometric distribution
As the sample size becomes larger, the sampling distribution of the sample mean approaches a normal distribution. Correct option is D.
This is known as the central limit theorem, which states that the sampling distribution of the sample mean is approximately normal regardless of the underlying population distribution, as long as the sample size is sufficiently large.
The central limit theorem is a fundamental result in statistics and has many practical applications. For example, it allows us to use the normal distribution to make inferences about population parameters based on sample statistics, such as constructing confidence intervals or conducting hypothesis tests.
On the other hand, the binomial distribution describes the number of successes in a fixed number of independent trials with a constant probability of success, while the Poisson distribution describes the number of rare events that occur in a fixed interval of time or space.
The hypergeometric distribution describes the probability of drawing a specified number of objects of interest from a population of known size without replacement. These distributions are not related to the sampling distribution of the sample mean and do not converge to a normal distribution as the sample size increases.
Therefore, the correct option is D.
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Complete question is:
As the sample size becomes larger, the sampling distribution of the sample mean approaches a .
a. binomial distribution
b. poisson distribution
c. hypergeometric distribution
d. normal distribution
What is the domain of the function y= √x+6-7?
a. x2-7
b. x2-6
c. x26
d. x27
The domain of the function is all real numbers greater than or equal to 1, or in interval notation: the correct answer is (d) x2≥7.
What is domain of a function?The domain of a function is the set of all possible values of the independent variable (usually denoted by "x") for which the function is defined. It is the set of all input values for which the function produces a valid output value.
For example, consider the function f(x) = 1/x. The domain of this function consists of all real numbers except for 0, since division by zero is undefined. Therefore, the domain of the function is:
Domain(f) = {x | x ≠ 0}.
In the given question,
The square root function is defined for non-negative values of its argument. Therefore, the expression inside the square root must be greater than or equal to zero.
x + 6 - 7 ≥ 0
Simplifying the inequality, we get:
x - 1 ≥ 0
x ≥ 1
Therefore, the domain of the function is all real numbers greater than or equal to 1, or in interval notation:
[1, ∞)
So the correct answer is (d) x2≥7.
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Which number line shows the solution to the inequality? y minus 2 less-than negative 5 A number line going from negative 8 to positive 2. An open circle is at negative 3. Everything to the left of the circle is shaded. A number line going from negative 8 to positive 2. A closed circle is at negative 3. Everything to the left of the circle is shaded. A number line going from negative 8 to positive 2. An open circle is at negative 3. Everything to the right of the circle is shaded. A number line going from negative 8 to positive 2. An open circle is at negative 7. Everything to the left of the circle is shaded.
The correct number line that shows the solution to the inequality y - 2 < -5 is the first option: "A number line going from negative 8 to positive 2. An open circle is at negative 3. Everything to the left of the circle is shaded."
What is inequalities?
In mathematics, an inequality is a mathematical statement that indicates that two expressions are not equal. It is a statement that compares two values, usually using one of the following symbols: "<" (less than), ">" (greater than), "≤" (less than or equal to), or "≥" (greater than or equal to).
The inequality can be rewritten as y < -3, which means that y is less than -3. The open circle at -3 indicates that -3 is not included in the solution set, and everything to the left of it, which represents numbers less than -3, should be shaded.
Therefore, the correct number line that shows the solution to the inequality y - 2 < -5 is the first option: "A number line going from negative 8 to positive 2. An open circle is at negative 3. Everything to the left of the circle is shaded."
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please please please please please please please please
10.6 is the height, of the triangular wall .
What is known as a triangle?
The three vertices of a triangle make it a three-sided polygon. The triangle's angles are formed at a point where the three sides are joined end to end.
The triangle's three angles add up to a total of 180 degrees. the three different kinds of triangles that are classified according to the size of their biggest angle. These triangles are the acute, right, and obtuse triangles.
Area = 1/2 * b * h
64 = 1/2 *12 * h
64 * 2/12 = h
h = 10.66
13) 3y+ 6 = 2x
3y = 2x - 6
y = 2/3x - 2
compare with y= mx + c
slope = 2/3
c = -2
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Number 12 please help
By the angle-angle-side theorem, triangles ∠ACE and ∠ECA are congruent, and we can conclude that:
AC = EC.
What is the congruent angle?
When two parallel lines are cut by a transversal, the angles that are on the same side of the transversal and in matching corners will be congruent.
Since AB || DE and BC = DC, we can use the alternate interior angles theorem to conclude that angle BCA is congruent to angle DCE:
∠BCA = ∠DCE
We also know that angles ∠BAC and ∠ACD are supplementary:
∠BAC + ∠ACD = 180 degrees
Since AB || DE, we can use the corresponding angles theorem to conclude that ∠BAC is congruent to ∠ECD:
∠BAC = ∠ECD
Substituting this into the equation above, we get:
∠ECD + ∠ACD = 180 degrees
Simplifying this equation, we get:
∠ECA = 180 degrees - ∠ACD
Also, ∠DCE is supplementary to ∠ACD, so:
∠DCE + ∠ACD = 180 degrees
Substituting this into the equation above, we get:
∠ECA = ∠DCE
Since angles ∠ECA and ∠DCE are congruent, we can use the vertical angles theorem to conclude that angles ∠ACE and ∠AEC are congruent:
∠ACE = ∠AEC
Therefore, by the angle-angle-side theorem, triangles ∠ACE and ∠ECA are congruent, and we can conclude that:
AC = EC.
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What is the slope of the line that passes through the points (2, -3) and (1, -2)? Write your answer in simplest form.
Given:-
[tex] \textsf{( 2 , -3 ) -- point [ i ]}[/tex][tex] \: [/tex]
[tex] \textsf{( 1 , -2 ) -- point [ ii ]}[/tex][tex] \: [/tex]
To find:-
[tex] \textsf{slop of the line = ?}[/tex][tex] \: [/tex]
By using formula:-
[tex] {\color{hotpink}\bigstar} {\boxed{\sf {\green{ slope : m = \: \frac{y_2 - y_1}{x_2 - x_1} }}}}[/tex]
Solution:-
[tex] \sf \: m = \frac{y_2 - y_1}{x_2 - x_1} [/tex]
[tex] \: [/tex]
where ,
[tex] \green \star \underline{ \sf \: 2 = x_1 , -3 = y_1\: }[/tex][tex] \: [/tex]
[tex] \green \star{ \underline{ \sf{ \:1 = x_2 , -2 = y_2 \: }}}[/tex][tex] \: [/tex]
[tex] \sf \: m = \frac{( -2 ) - ( -3 ) }{1 - 2} [/tex]
[tex] \: [/tex]
[tex] \sf \: m = \frac{ - 2 + 3}{ \: 1 - 2} [/tex]
[tex] \: [/tex]
[tex] \sf \: m = \cancel \frac{1}{ - 1} [/tex]
[tex] \: [/tex]
[tex] \underline{\boxed{ \sf{ \blue{ \: m = -1 \: }}}}[/tex]
[tex] \: [/tex]
━━━━━━━━━━━━━━━━━━━━━━━
hope it helps:)
41% have a pet now and have had a pet.
79% have had a pet.
Question content area bottom
Part 1
The probability that the respondent has a pet given that the respondent has had a pet is
The probability that the respondent has a pet given that the respondent has had a pet is approximately 0.519, or 51.9%.
To calculate the probability that a respondent has a pet given that they have had a pet, we can use Bayes' theorem:
P(Have a pet | Have had a pet) = P(Have had a pet | Have a pet) * P(Have a pet) / P(Have had a pet)
We are given that:
P(Have a pet) = 0.41
P(Have had a pet) = 0.79
We don't know P(Have had a pet | Have a pet), but we can use the fact that anyone who has a pet has also had a pet, so:
P(Have had a pet | Have a pet) = 1
Plugging in these values, we get:
P(Have a pet | Have had a pet) = 1 * 0.41 / 0.79
= 0.519 or 51.9%.
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use the given degree of confidence and sample data to construct a confidence interval for the population proportion p.when 319 college students are randomly selected and surveyed, it is found that 120 own a car. find a 99% confidence interval for the true proportion of all college students who own a car.
The required 99% confidence interval representing the true proportion of all college students owns a car lies between the range of 0.3253 and 0.4283.
Sample size n = 319
Students who own a car represents the number of successes x = 120
Confidence interval = 99%
True proportion p of all college students who own a car.
The formula for the confidence interval for a population proportion is,
p1± zα/2 × √(p1(1-p1)/n)
where p1 is the sample proportion,
zα/2 is the z-score corresponding to the desired level of confidence interval 99%.
First, we find the sample proportion,
p1 = x/n
= 120/319
≈ 0.3768
z-score corresponding to a 99% confidence level.
This is a two-tailed test,
Split the alpha level evenly between the two tails.
α/2 = (1 - 0.99) / 2
= 0.005,
The z-score that encloses 0.005 in each tail of the standard normal distribution.
Using a standard normal table ,
zα/2 = 2.576.
Substituting the values into the formula, we get,
p1 ± zα/2 × √(p1(1-p1)/n)
= 0.3768 ± 2.576×√(0.3768(1-0.3768)/319)
= 0.3768 ± 0.0515
99% confidence interval for the true proportion p of all college students who own a car is,
0.3253 ≤ p ≤ 0.4283
Therefore, 99% confidence interval that the true proportion of all college students who own a car lies between 0.3253 and 0.4283.
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In triangleABC, m
A. 24.3
B. 14.0
C. 12.8
D. 19.5
The value of the side a is 12. 8 . Option C
How to determine the value of the sideFrom the diagram shown, we have that;
m<A = 45 degrees
c = 17
m<B = 25
Note that the sum of the angles in a triangle is 180, then, we have;
<A + <B + < C = 180
substitute the values
45 + 25 + < C = 180
collect the like terms
<C = 110
Using the sine rule, we have;
sin A/a = sin B/b = sin C/c
Substitute the values, we get;
sin 45/a = sin 110/17
cross multiply the values, we have;
a = 12. 02/0. 9396
a = 12. 79
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The pentagon ABCDE has been divided into six isosceles triangles, which all have the same perimeter. The triangle ABC is even equilateral. What is the ratio of the perimeter of the triangle ABC to the perimeter of the pentagon ABCDE?
A) 1:3
B) 4:9
C) 3:7
D) 9:16
E) 5:8
Answer:
Unfortunately, none of the answer choices match. A correct ratio would be 1:2.
Step-by-step explanation:
Let the perimeter of each isosceles triangle be "2x". Since ABC is equilateral, each of its sides is also "2x".
The perimeter of the pentagon is the sum of the perimeters of the triangles, which is 6(2x) = 12x.
Since ABC is equilateral, its perimeter is 6x (since it has three sides of length 2x).
Therefore, the ratio of the perimeter of ABC to the perimeter of ABCDE is (6x)/(12x) = 1/2, simplifying this ratio gives 1:2.
Therefore, the correct answer is not given in the options.
Triangle A and Triangle B have the same base. The height of Triangle B is twice the height of Triangle A. How many times greater is the area of Triangle B?
The area of Triangle B is 2 times greater than the area of Triangle A.
What is are of triangle?
The territory included by a triangle's sides is referred to as its area. Depending on the length of the sides and the internal angles, a triangle's area changes from one triangle to another. Square units like m2, cm2, and in2 are used to express the area of a triangle.
Area of the triangle = 1/2 h*b
For Triangle A, the area is:
Area_A = 1/2 * b * h
For Triangle B, the area is:
Area_B = 1/2 * b * 2h = b * h
So, the area of Triangle B is twice the area of Triangle A.
Therefore, the area of Triangle B is 2 times greater than the area of Triangle A.
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why are the mean and standard deviation used to compaer the center and spread of two symmetrical distributions and why are the five number summary used to compare
The mean and standard deviation are used to compare the centers and ranges of two symmetric distributions because they provide a measure of position and variability that are consistent with normally distributed data.
When the data are approximately normal, the mean is a good measure of the center of the distribution, and the standard deviation is a good measure of the spread of the distribution.
By comparing the means and standard deviations of two symmetric distributions, we can know their similarity or difference in terms of central tendency and variability.
On the other hand, a five-digit summary (minimum, Q1, mean, Q3, maximum) is used to compare the center and difference of two skewed or outlier distributions.
The five-digit summary provides a way to summarize the key characteristics of a distribution, and it is more robust for outliers than for mean and standard deviation.
By comparing the median and interquartile range (IQR) of two skewed or outlier distributions, we can tell their similarities or differences in terms of central tendency and variability.
In summary, mean and standard deviation are suitable for comparing centers and ranges of normally distributed data, while five-digit summaries are more suitable for comparing centers and ranges of skewed distributions.
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Fill in the missing value and rewrite into a proportion problem
The missing values of the proportion are;
a. 18
b. 19.5
c. 45%
d. 180
What is percentage?The percentage of a number can be defined as the fraction of a number and hundred.
It is represented with the symbol, %.
From the information given, we have that'
1. 6% of 30
This is represented as;
60 /100 × 30
Multiply the values
18
2. 65% of 30
This is represented as
65/100 × 30
Multiply the values
1950/100
19.5
3. 18/40 × 100
Multiply the values
1800/40
45%
4. 81 = 45/100x
cross multiply the values
x = 180
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The area of a rectangle is 12x² - 10x. The length of the rectangle is 6x - 5. What is the
width of the rectangle?
Answer:
2x
Step-by-step explanation:
(12x^2-10x)/6x-5
Ms. Khan wants to add x feet onto each side of an existing patio. The new patio would have an area of x2+14x+48 square feet.
What are the dimensions of the existing patio?
Therefore , the correct option is A Dimension of exisiting patio is 6feet by 8feet.
Ms. Khan wants to add x feet onto each side of an existing patio, then the area of the existing patio is (x-2)² square feet.
Define square feet?
In the United States, Canada, China, and the United Kingdom, the square foot is a commonly used imperial measure of area. Its emblem is a straightforward square with a vertical line cutting it in half .
The Imperial system uses a combination of feet, inches, miles, and gallons.
So,
we can write (x-2)² = x²+14x+48.
Expanding the left side gives us x²-4x+4 = x²+14x+48.
Simplifying gives us 18x = 44.
Therefore, x = 11/4.
The dimensions of the square patio are (11/4 - 2)×2 feet by (11/4 - 2)×2 feet which is equal to( 3/4)×2 feet by 6/8
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Every year on her birthday, Addie measured her height. on her 5th birthday, she was 44 4/5 inches tall. Each year, Addies grew 2/5 inch. How tall was Addie on her 12th birthday?
Addie measured her height on her 5th birthday, she was 44 4/5 inches tall. Each year, Addies grew 2/5 inch. Addie height on her 12th birthday is 47 2/5 inches.
Describe Algebra?Algebra is a branch of mathematics that deals with mathematical symbols and the rules for manipulating these symbols to solve equations and understand mathematical relationships. In algebra, variables are used to represent unknown values, and equations are used to express relationships between these variables.
Algebra involves the use of mathematical operations such as addition, subtraction, multiplication, and division, as well as the use of exponents, logarithms, and other advanced mathematical concepts. Algebraic equations can be solved using various methods, such as substitution, elimination, and graphing.
Algebra has numerous practical applications in various fields, including science, engineering, economics, and finance. It is used to model and solve real-world problems, analyze data, and make predictions. Algebra is also an essential foundation for more advanced mathematical topics, such as calculus, linear algebra, and abstract algebra.
Addie was 44 4/5 inches tall on her 5th birthday. From her 5th to 12th birthday, she grew for 7 years, so her height increased by 7 * (2/5) = 2.8 inches.
Adding this to her height on her 5th birthday, we get:
44 4/5 + 2.8 = 47 2/5
Therefore, Addie was 47 2/5 inches tall on her 12th birthday.
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Brody has pulled 27 marbles from a large bag, and 12 of them are red. What is the experimental probability that the next marble selected from the bag will be red?
Answer:
Step-by-step explanation:
4/9
By the number of red marbles taken out, we expect that 12/27=4/9 of the marbles are red. Therefore, the probability of the next marble being red is 4/9.
1Which equation shows a way to solve ⅚ / ⅔ ?
Answer:
To divide fractions, we can use the reciprocal (or multiplicative inverse) of the second fraction and then multiply the two fractions.
So to solve ⅚ ÷ ⅔, we can write it as:
⅚ ÷ ⅔ = ⅚ × (⅔)⁻¹
where (⅔)⁻¹ is the reciprocal of ⅔, which is 3/2.
So we have:
⅚ ÷ ⅔ = ⅚ × (⅔)⁻¹ = ⅚ × 3/2
We can simplify this expression by canceling out a common factor of 2 in the numerator and denominator:
⅚ ÷ ⅔ = ⅚ × (⅔)⁻¹ = ⅚ × 3/2 = (⅚ × 3) / 2 = 9/12
Therefore, another way to solve ⅚ ÷ ⅔ is the equation:
⅚ ÷ ⅔ = 9/12
The volume of a gas in a container varies inversely as the pressure on the gas. If a gas has a volume of 208 cubic inches under a pressure of 4 pounds per square inch, what will be its volume if the pressure is increased to 5 pounds per square inch? Round your answer to the nearest integer if necessary.
please i need help asap
Answer:
166.4 in³---------------------------
Inverse variation equation:
y = k/x, where k - constantWe have:
V = k/P, where V - volume, P - pressureSubstitute initial values and find the value of k:
208 = k/4k = 208*4k = 832The equation now becomes:
V = 832/PFind the value of V when P = 5:
V = 832/5V = 166.4Hence the answer is 166.4 in³.
a general rehydration recommendation after exercise is 2.5 cups of fluid for every 1 pound of body weight lost. using this guideline, how much fluid would vanessa need to consume to make up for the weight that was lost during her run? calculation: 2.5 cups x lbs of body weight lost
Vanessa would need to drink about ten cups of liquid to replace the weight she lost while running.
The amount of water needed to be drank is approximately 2 cups of water are required for every pound of body weight reduced.
Vanessa would need to drink about ten cups of liquid to replace the weight she lost while running.
Refilling fluid: To add fluid to something that has been drained, in particular: to replace any fluids the body has lost from dehydration. assist a patient in hydrating.
Oral rehydration solutions (ORSs), which include Pedialyte, are used to treat dehydration. ORSs, which help replace lost fluids, include the correct ratio of salt, sugar, potassium, and other minerals.
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Complete question - A general rehydration recommendation after exercise is 2.5 cups of fluid for every 1 pound of body weight lost. Using this guideline, how much fluid would Vanessa need to consume to make up for the weight that was lost during her run?
Calculation: 2 cups x lbs of body weight lost = cups of water needed
A. Approximately 4 cups of fluid
B. Approximately 8 cups of fluid
C. Approximately 6 cups of fluid
D. Approximately 10 cups of fluid
7. Vanessa asks if she should start using sports drinks. Which of the following would best answer Vanessa's question?
A. A sports drink is not beneficial for you at this time and may provide unnecessary calories.
B. A sports drink would be beneficial to replace fluid and electrolytes when exercising for less than 30 minutes.
C. A sports drink would be beneficial on days when you are exercising for over an hour at a higher intensity.
8. If Vanessa uses a sports drink in the future, how much glucose, sodium and potassium should be provided per 24 fluid ounces of sports drink?
A. No more than 30 g of glucose, 450 g of sodium and 225 mg of potassium.
B. No more than 75 g glucose, 150 mg sodium, 175 mg potassium.
C. No more than 15 g of glucose, 500 mg sodium, 200 mg potassium.
D. No more than 45 g of glucose, 225 mg of sodium and 275 mg of potassium.
an office building contains 24 floors and has 37 offices on each floor. how many offices are in the building?
Answer:
888 offices
Step-by-step explanation:
Since there are a total of 24 floors in the building and each floor has a total of 37 offices on it, we have to multiply the number of floors by the number of offices in total:
[tex]24 \times 37 = 888[/tex]
The number of offices in the building amounts to a total of 888, indicating a significant amount of workspace available within the premises.
To calculate the total number of offices in the building, we need to multiply the number of floors by the number of offices on each floor.
Given that the building has 24 floors and 37 offices on each floor, we can use the formula:
Total number of offices = Number of floors * Number of offices per floor
Plugging in the given values, we get:
Total number of offices = 24 * 37 = 888
Therefore, there are 888 offices in the building.
This calculation assumes that each floor has the same number of offices and that there are no variations or exceptions. It also assumes that there are no common areas or other types of spaces that are not considered offices.
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please help will give brainliest
On average, Carson spends $2 of his $20 monthly allowance on library fines. When creating a circle graph of what Carson does with his money, what fraction of the circle will represent the amount he spends on library fines?
Answer:
1/10 of the circle (36° central angle).
Step-by-step explanation:
2/20 = 1/10
A circle has 360 degrees, so the central angle will be 1/10 × 360° = 36°.