Answers
The completed text are:
Point of Tangency: A point of contact between a circle and its tangent line.
Secant segment: A segment that intersects a circle twice and has one endpoint on the circle and one endpoint outside of the circle.
Tangent Segment: A segment of a tangent line that has an endpoint at the point of tangency.
Why are the above concept relevant?The concepts of chord, point of tangency, secant segment, and tangent segment are relevant in geometry, particularly in the study of circles.
They provide the foundation for understanding the relationships and properties of circles and their associated segments.
These concepts are essential in various fields such as engineering, physics, and architecture, where circular shapes are commonly used. They are also relevant in solving real-world problems that involve circles, such as determining the area and circumference of a circle.
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Related Questions
According to the 2016 issue of Sociological Statistics, in the 2015, the mean weight for boys
in the 4th grade is 64.9 pounds. If we assume the mean is still 64.9, find the probability that
the mean weight for 100 boys in the 5th grade will be between 60 and 70 pounds. Assume
that s = 17.5 pounds.
Answers
The probability that the mean weight for 100 boys in the 5th grade will be between 60 and 70 pounds is approximately 0.674.
What is central limit theorem?According to the central limit theorem, a statistical theory, regardless of the population distribution's form, the distribution of sample means tends to resemble a normal distribution as sample size grows. This implies that the distribution of the sample means will be about normal if we take several random samples from a population.
Given that, mean weight for 100 boys in the 5th grade will be between 60 and 70 pound.
The z-score is given as:
z = (x - μ) / (s / √(n))
Substituting the values:
z = (70 - 64.9) / (17.5 / √(100)) = 1.143 = 0.674
z = (60 - 64.9) / (17.5 / √(100)) = -1.143 =0.674
Hence, the probability that the mean weight for 100 boys in the 5th grade will be between 60 and 70 pounds is approximately 0.674.
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A sphere has a surface area of 60 square feet. Which choice is the best approximation of its radius? Use 3.14 to approximate pi.\
Answers
Answer:
Step-by-step explanation:
The surface area of a sphere is given by the formula:
S = 4πr^2
where S is the surface area and r is the radius of the sphere.
We are given that the surface area of the sphere is 60 square feet. Using the formula above, we can solve for the radius:
60 = 4πr^2
Dividing both sides by 4π, we get:
15/π = r^2
Taking the square root of both sides, we get:
r = sqrt(15/π)
Using 3.14 as an approximation for π, we can evaluate this expression:
r ≈ sqrt(15/3.14)
r ≈ 2.20
Therefore, the best approximation for the radius of the sphere is 2.20 feet.
Answer:
Radius is 2.18
Step-by-step explanation:
;)
Havin’ trouble with these questions, please help
Answers
Answer:
i have solved it step by step
this is a proportions question
Answers
In the above proportions problem, note that the distance of PR is 155.17ft.
What is the explanation for the above response?To solve for PR, note that
OC/RE = PR/OR
That is:
225/145 = PR/100
To solve for PR, we can cross-multiply the fractions:
225 * 100 = 145 * PR
22,500 = 145PR
Dividing both sides by 145:
PR = 155.17
Therefore, PR is approximately 155.17ft
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The ratio of James ' age to Andy's age is 2 : 7. In 8 years' time, the ratio will become
2 : 5, Find James' present age.
Answers
Answer: James' age now is 12 years old.
the population of a small town can be modeled with the function P(t)=18,751(1,09)^(t). Which statement about this situation is true?
A.The population will decrease by 9%.
B. The population will increase by 9%.
C. The population will increase by 1.09%.
D. The population will decrease by 1.09%.
PLEASE HELP ASAP!!
Thank You!
Answers
Statement B is true: The population will increase by 9%.
What are function's different types?Various Functions:
A single function (Injective function) Many – one function. From onto function (Surjective Function) Function is into. polynomial operation.
P(t)=18,751(1.09)t is the population function, where t is the time in years.
The function's growth factor or multiplier, which is bigger than 1, is represented by the expression (1.09t). In other words, the population is growing over time.
Finding the difference between the final and starting values, dividing by the initial value, and then multiplying by 100% will give us the percentage growth in the population.
Let's contrast the population at t=0 and t=1 to see how they differ:
P(0) = 18,751(1.09)^0 = 18,751
P(1) = 18,751(1.09)^1 = 20,436.59
In the last year, the population has grown from 18,751 to 20,436.59.
The population has grown by the following amount:
[(20,436.59 - 18,751)/18,751] × 100% ≈ 9.0%
Thus, the population will grow by 9%, as stated in statement B.
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write 9 minutes and 25 seconds to 9 in the evening In analogue time
Answers
Answer:
9 minutes and 25 seconds to 9 in the evening in analogue time is represented as:
8:50:35 PM
PLs help Thank u!!!!!!!!!!!!!!!!!!!!!!!!
Answers
Using a trigonometric relation, we can see that the values of x and y are:
y = 25.98
x = 15
How to get the values of x and y?Here we can see a right triangle, where we know the interior angles and the length of the hypotenuse.
To get the lengths of the legs, we can use trigonometric relations, like:
cos(a) =(adjacent cathetus)/hypotenuse.
For example, if we want to find y, then the angle at which this side is adjacent is the 30° one, now replacing the known values in the formula we will get:
cos(30°) = y/30
cos(30°)*30 = y = 25.98
And to get the value of x, we should use the 60°angle, so:
cos(60°) = x/30
30*cos(60°) = x = 15
These are the two lengths we wanted to get.
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Please help need to get a good score
Answers
A ladder leans against the side of a house. The angle of elevation of the ladder is 69 when the bottom of the ladder is 8ft from the side of the house. How high is the top of the ladder from the ground? Round your answer to the nearest tenth.
Answers
Answer:
20.8
Step-by-step explanation:
Let h be the height of the ladder. We know that the distance BC is 8 ft, and the angle of elevation BAC is 69 degrees. Therefore, we have:
tan(69) = h/8
Multiplying both sides by 8, we get:
8*tan(69) = h
Using a calculator, we get:
h ≈ 20.8 ft
Therefore, the height of the top of the ladder from the ground is approximately 20.8 feet.
Madeleine helps build house with habitat for humanity. After exterior wall is erected she measures to see if it is a square. The height of wall is 9ft. She measures 12 ft along the floor from corner and takes a mark. What should be length of diagonal?
Answers
The Iength οf the diagοnaI οf the square exteriοr waII shοuId be 15 feet.
What is Pythagοrean Theοrem?Accοrding tο the Pythagοrean theοrem, the square οf a right triangIe's hypοtenuse (the side οppοsite the right angIe) equaIs the sum οf its οther twο sides' squares.
Outside waII's Iength and width are equaI if it is a square. Let's caII this Iength "x"
Using the Pythagοrean theοrem, we can find the Iength οf the diagοnaI οf the square:
diagοnaI² = height² + width²
Since the height is 9 ft and οne side οf the square is 12 ft, we can write:
diagοnaI² = 9² + 12²
diagοnaI² = 81 + 144
diagοnaI² = 225
Taking the square rοοt οf bοth sides, we get:
diagοnaI = √(225)
diagοnaI = 15 ft
Therefοre, the Iength οf the diagοnaI οf the square exteriοr waII shοuId be 15 feet.
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The graph shows g(x) = x2 − 9x + 20. graph of parabola falling from the left, passing through 3 comma 2 to about 4 and one half comma negative one fourth, and rising to the right, passing through 6 comma 2 What are the x-intercepts of g(x)? (4.5, 0) and (5, 0) (0, 4.5) and (0, 5) (0, 5) and (0, 4) (5, 0) and (4, 0)
Answers
Parabola intersects x-axis at two points: (-5,0) and (-4,0)
What does a parabola actually mean?
Each point on a parabola with a U-shape is equally spaced from both the focus, a fixed point, and the directrix, a fixed line. As the topic of conic sections depends heavily on the parabola, all of the parabola-related concepts are covered here.
The x-intercepts of a parabola are where the parabola intersects the x-axis on its graph. There are a number of ways to find the x-intercepts of a parabola, and each one is usually specific to each situation.
In the case, when you are given the graph, the easiest way to find x-intercepts is to identify points at which parabola intersects the x-axis.
From your graph, parabola intersects x-axis at two points: (-5,0) and (-4,0)
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help True or false.
A poet can include figurative language and context clues to contribute to the overall meaning of a poem.
True
False
Answers
The correct answer is true
Answer:
True hope this helps!
Hunter surveys a random sample of 64 students at his community college and finds that
37.5% of the students saw a film at the local movie theater in the last 30 days. Find a 90% confidence interval for the proportion p of all students at the community college who saw a film at the movie theater in the last 30 days.
Answers
We can be 90% confident that the true proportion of all students who saw a film at the movie theater in the last 30 days is between 0.277 and 0.473.
What is proportion?
Proportion is a mathematical term that represents a relationship between two quantities or numbers. It refers to the comparison of one part of a whole to the whole itself.
To find a confidence interval for the proportion p of all students who saw a film at the movie theater, we can use the formula:
CI = p ± z * √(p(1-p)/n)
where p is the sample proportion, n is the sample size, z is the z-score corresponding to the desired level of confidence (90% in this case), and √(p(1-p)/n) is the standard error of the proportion.
First, we need to find the sample proportion p:
p = 37.5% = 0.375
Next, we need to find the z-score corresponding to a 90% confidence level. We can use a z-table or a calculator to find this value. The z-score for a 90% confidence level is 1.645.
Now we can plug in the values into the formula:
CI = 0.375 ± 1.645*√(0.375(1-0.375)/64)
Simplifying:
CI = 0.375 ± 0.098
Therefore, the 90% confidence interval for the proportion of all students who saw a film at the movie theater in the last 30 days is:
CI = (0.277, 0.473)
Hence, we can be 90% confident that the true proportion of all students who saw a film at the movie theater in the last 30 days is between 0.277 and 0.473.
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1. Is the check register balance correct? If not, what is the correct balance?
Statement ending balance: $41.27
Outstanding deposits: $27.70, $12.30, $102.43
Outstanding check: $10.98
Service charge: $5.82
Check register balance: $78.50
2. The Smith's opened a savings account with a deposit of $500. If the interest rate is 4% per year compounded quarterly (every three months), what is the balance after 3 months? After 6 months? After 9 months? After 1 year
3. David put $1000 in a savings account that paid 8% interest compounded annually. How much interest was earned in year 1? What was the total balance at the end of year 1? What was the interest earned in year 2? What was the total balance at the end of year 2? Year 3?
4. Calculate the interest earned by the amount of these savings accounts and the total balance at the end of each year. The interest is compounded annually.
$100 at 7% for 4 years
$500 at 8% for 3 years
$300 at 6% for 5 years
5. Calculate the interest earned by the amount of these savings accounts and the total balance at the end of each year. Which is the better investment? Why? By how much?
$850 at 7% compounded annually for 3 years.
$850 at 7% compounded semi-annually for 3 years.
$850 at 7% compounded quarterly for 3 years.
Answers
1) the correct check register balance is $166.90.
2)
a) After 3 months, balance = $510.08
b) after 6 months, balance, = $520.40
c) After 9 months , balance = $531.07
d) After 1 year, balance = $542.50
3)
the interest earned in year 1 is $80,
the total balance at the end of year 1 is $1080,
the interest earned in year 2 is $86.40,
the total balance at the end of year 2 is $1166.40, and t
he interest earned in year 3 is $93.31, and
the total balance at the end of year 3 is $1259.71.
4)
the interest earned by the $100 savings account is $28, and the total balance at the end of 4 years is $128.
The interest earned by the $500 savings account is $120, and the total balance at the end of 3 years is $620.
The interest earned by the $300 savings account is $90, and the total balance at the end of 5 years is $390.
A check register balance is the amount of money in a bank account, as recorded by the account holder in their check register, after accounting for deposits, withdrawals, and fees.
1)
The check register balance is not correct. To find the correct balance, we need to adjust the statement ending balance for the outstanding deposits, subtract the outstanding check and service charge, and add any other transactions that may have been missed.
Adjusted balance for outstanding deposits: $41.27 + $27.70 + $12.30 + $102.43 = $183.70
Adjusted balance for outstanding deposits minus the outstanding check: $183.70 - $10.98 = $172.72
Adjusted balance for outstanding deposits minus the outstanding check minus the service charge: $172.72 - $5.82 = $166.90
Therefore, the correct check register balance is $166.90.
2)
To find the balance of the savings account after various time periods, we can use the formula for compound interest:
A = P(1 + r/n)^(nt)
Where:
A = the balance after time t
P = the principal (initial deposit)
r = the annual interest rate (as a decimal)
n = the number of times the interest is compounded per year
t = the time period (in years)
For this problem, we have:
P = $500
r = 0.04
n = 4 (compounded quarterly)
t = 0.25 (3 months), 0.5 (6 months), 0.75 (9 months), 1 (1 year)
After 3 months:
A = $500(1 + 0.04/4)^(4*0.25) = $510.08
After 6 months:
A = $500(1 + 0.04/4)^(4*0.5) = $520.40
After 9 months:
A = $500(1 + 0.04/4)^(4*0.75) = $531.07
After 1 year:
A = $500(1 + 0.04/4)^(4*1) = $542.50
Therefore, the balance of the savings account after 3 months is $510.08, after 6 months is $520.40, after 9 months is $531.07, and after 1 year is $542.50.
3)
To find the interest earned and total balance at the end of each year, we can use the formula for compound interest:
A = P(1 + r/n)^(nt)
Where:
A = the balance after time t
P = the principal (initial deposit)
r = the annual interest rate (as a decimal)
n = the number of times the interest is compounded per year
t = the time period (in years)
For this problem, we have:
P = $1000
r = 0.08
n = 1 (compounded annually)
t = 1 (year)
After year 1:
Interest earned = $1000 x 0.08 = $80
Total balance = $1000 + $80 = $1080
After year 2:
Interest earned = $1080 x 0.08 = $86.40
Total balance = $1080 + $86.40 = $1166.40
After year 3:
Interest earned = $1166.40 x 0.08 = $93.31
Total balance = $1166.40 + $93.31 = $1259.71
Therefore, the interest earned in year 1 is $80, the total balance at the end of year 1 is $1080, the interest earned in year 2 is $86.40, the total balance at the end of year 2 is $1166.40, and the interest earned in year 3 is $93.31, and the total balance at the end of year 3 is $1259.71.
4)
We can use the formula for compound interest to calculate the interest earned and total balance at the end of each year for each savings account:
$100 at 7% for 4 years:
P = $100, r = 0.07, n = 1 (compounded annually), t = 4
Interest earned = $100 x 0.07 x 4 = $28
Total balance = $100 + $28 = $128 after 4 years
$500 at 8% for 3 years:
P = $500, r = 0.08, n = 1 (compounded annually), t = 3
Interest earned = $500 x 0.08 x 3 = $120
Total balance = $500 + $120 = $620 after 3 years
$300 at 6% for 5 years:
P = $300, r = 0.06, n = 1 (compounded annually), t = 5
Interest earned = $300 x 0.06 x 5 = $90
Total balance = $300 + $90 = $390 after 5 years
Therefore, the interest earned by the $100 savings account is $28, and the total balance at the end of 4 years is $128.
The interest earned by the $500 savings account is $120, and the total balance at the end of 3 years is $620.
The interest earned by the $300 savings account is $90, and the total balance at the end of 5 years is $390.
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I need help asap!!!!!
Answers
Answer:
8x - 58 ≤ 500
8x ≤ 500 + 58
8x ≤ 558
x ≤ 69.74
Write (Picture) as a fraction. Show your work.
Answers
23/200
Hope it helped
you can write 0.115 as a fraction in the
following way:
Let x = 0.115
Then 10x = 1.15
And 100x = 11.5
Subtracting the first equation from the second, we get:
100x - 10x = 11.5 - 1.15
90x = 10.35
Dividing both sides by 90, we get:
× = 10.35/90
Simplifying this fraction by dividing both the numerator and the denominator by 5, we get:
× = 2.07/18
Therefore, 0.115 is equal to the fraction 2.07/18.
Estimate!
16 3/4 divided by 2 1/2
Answers
Answer:7
Step-by-step explanation:
6.7 to the 10 is 7
1. Convert from English to metric.
a 1 foot = _______ millimeters
b. 40 lb-ft = ________ Newton/meters
2. Convert from metric to English.
a. 30 lb = _______ kilograms
b. 90.8 qt = ______ liters
3. 26 m = _______ µm (micrometer)
4. 60,000 cm = _______ m
5. 8.275 L = _______ kL
6. 0.00349 km = _______ cm
7. 0.00175 mm = _______ nm
8. Name the metric system unit that measures each of the following:
a. Light intensity
b. Mass
c. Pressure
d. Electric current
e. Distance
9. 1,200 Ω = _______ kΩ (kilohm)
10. 120 kΩ = _______ Ω (ohm)
11. 3,500,000 Ω = _______ MΩ
12. 6.03 MΩ = _______ Ω
13. 0.000355 A = _______ µA (microampere) 14. 0.000355 A = _______ mA (milliampere)
15. 863 mV = _______ V (volt)
16. 657 Ω = _______ kΩ (kilohm)
17. 35 µA = _______ A (ampere)
18. 2.2 kΩ = _______ Ω
19. 500 kV = _______ MV (megavolt)
20. 7,500,000 µA= _______ A
21. What’s 30 percent of 150?
22. What’s 25 percent of 2,300?
23. Historically, the _______ was used as the basis for all measurements.
24. The number below the line in a fraction indicating the number of equal parts into which the unit is divided is the _______.
25. In the English system, _______ is the traditional unit of pressure.
26. The metric system is based on powers of _______.
27. What unit is used for time in the metric system?
28. 20°C equals _______°F.
29. 45°F equals _______°C.
30. The basic volume unit in the English measuring system is the _______.
31. One ounce equals approximately _______ grams
Answers
Answer:Convert from English to metric.
a. 1 foot = 304.8 millimeters
b. 40 lb-ft = 54.24 Newton/meters
Convert from metric to English.
a. 30 lb = 13.61 kilograms
b. 90.8 qt = 96.25 liters
26 m = 26,000,000 µm (micrometer)
60,000 cm = 600 m
8.275 L = 0.008275 kL
0.00349 km = 349 cm
Name the metric system unit that measures each of the following:
a. Light intensity - Candela
b. Mass - Gram
c. Pressure - Pascal
d. Electric current - Ampere
e. Distance - Meter
1,200 Ω = 1.2 kΩ (kilohm)
120 kΩ = 120,000 Ω (ohm)
3,500,000 Ω = 3.5 MΩ
6.03 MΩ = 6,030,000 Ω
0.000355 A = 355 µA (microampere)
0.000355 A = 0.355 mA (milliampere)
863 mV = 0.863 V (volt)
657 Ω = 0.657 kΩ (kilohm)
35 µA = 0.000035 A (ampere)
2.2 kΩ = 2200 Ω
500 kV = 500,000 MV (megavolt)
7,500,000 µA = 7.5 A (ampere)
What’s 30 percent of 150? = 45
What’s 25 percent of 2,300? = 575
Historically, the _______ was used as the basis for all measurements. = Human body
The number below the line in a fraction indicating the number of equal parts into which the unit is divided is the _______. = Denominator
In the English system, _______ is the traditional unit of pressure. = PSI (pounds per square inch)
The metric system is based on powers of _______. = 10
What unit is used for time in the metric system? = Second
20°C equals _______°F. = 68°F
45°F equals _______°C. = 7.2°C
The basic volume unit in the English measuring system is the _______. = Gallon
One ounce equals approximately _______ grams. = 28.35 grams
Simplify the expression to a polynomial in standard form
(x−3)(2x^2 −5x−5)
Answers
Answer:
Step-by-step explanation:
To simplify the expression, we can use the distributive property of multiplication:
(x−3)(2x^2 −5x−5) = 2x^3 −5x^2 −5x −6x^2 +15x +15
Next, we can combine like terms:
2x^3 −5x^2 −6x^2 −5x +15x +15 = 2x^3 −11x^2 +10x +15
Therefore, the simplified polynomial in standard form is 2x^3 −11x^2 +10x +15.
Explore Part 2
Using the numbers -4 to 4 without repeating, fill in the blanks to make a true statement.
One number will be unused. Use the sketch tool if it helps you with your thinking.
(N = unknown number)
N/N • N < N - N/N < N - N
Answers
4 number was not used in the statement. we can use -3 as the other value.
What is a statement?A simple statement is a single assertion that can be classified as true or false, while a compound statement is formed by combining two or more simple statements using logical operators such as "and", "or", and "not".
According to question:To explain the statement mathematically:
First, we evaluate N/N:
N/N = 1
Next, we simplify the inequality using this value:
1•N < N - 1 < N - N
Simplifying further, we get:
N < N - 1 < 0
We can then substitute the values of -4 to 4 for N and see which value(s) satisfy the inequality.
If N = -4, then we have:
-4 < -5 < 0
This is true, so we can use -4 as one of the values.
If N = -3, then we have:
-3 < -4 < 0
This is also true, so we can use -3 as the other value.
Therefore, the completed statement is:
-4/-4 • -4 < -4 - (-4/-4) < -4 + 4/-4 <br>
which simplifies to:
1 < -3 < 5/2
Note that one number, 4, was not used in the statement.
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Which relationships describe angles 1 and 2? Select each correct answer. O complementary angles O adjacent angles O vertical angles O supplementary angles
Answers
Answer:2
Step-by-step explanation:Because the 2 is closest to the middle line
Answer:
relationship describes angles 1 and 2 is supplementary angles. From the given figure
it is concluded that
the relation ship between angle 1 and 2 is supplementary angles
because its is linear pair
and forms a line
therefore , the angles are supplementary angles
hence , relationship describes angles 1 and 2 is supplementary angle
Step-by-step explanation: Hope this helps !! Mark me brainliest!! :))
At age 25 , someone sets up an IRA (individual retirement account) with an APR of 4 %. At the end of each month he deposits $95 in the account. How much will the IRA contain when he retires at age 65? Compare that amount to the total deposits made over the time period.
Question content area bottom
Part 1
After retirement the IRA will contain $
enter your response here.
(Do not round until the final answer. Then round to the nearest cent as needed.)
Answers
The formula for the future value of an annuity is FV = Pmt * (((1 + r)n - 1) / r) to calculate the balance of the IRA at age 65. To compare this amount to the total deposits made over the time period, Total Deposits = Pmt * n = $45,600.
How will you calculate the balance of the IRA?To calculate the balance of the IRA at age 65, we need to use the formula for the future value of an annuity:
FV = Pmt * (([tex](1 + r)^n[/tex] - 1) / r)
Where:
Pmt = $95 (the monthly deposit amount)
r = 4% / 12 = 0.003333 (the monthly interest rate)
n = (65 - 25) * 12 = 480 (the total number of months, assuming retirement at age 65)
Plugging in these values, we get:
FV = 95 * (([tex](1 + 0.003333)^480[/tex] - 1) / 0.003333)
FV = $98,052.52
Therefore, the IRA will contain $98,052.52 at age 65.
Part 2
To compare this amount to the total deposits made over the time period, we can calculate the total deposits as:
Total Deposits = Pmt * n
Plugging in the values, we get:
Total Deposits = 95 * 480
Total Deposits = $45,600
Therefore, the IRA will contain significantly more than the total deposits made over the time period, due to the power of compounding interest.
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a tool box has the dimension of 8 in by 7 in by 4 in.
Answers
Answer: I'm not really sure what the question is but the volume is 224
Step-by-step explanation:
Which measurements could create more than one triangle?
A.
A triangle with sides measuring 50 mm and 35 mm and a nonincluded angle measuring 25°
B.
A triangle with sides measuring 5 cm, 10 cm, and 15 cm
C.
A triangle with sides measuring 8 cm and 12 cm and an included angle measuring 85°
D.
A triangle with sides measuring 5 inches, 7 inches, and 9 inches
Answers
Answer:
D. A triangle with sides measuring 5 inches, 7 inches, and 9 inches. This is because the sum of the lengths of any two sides of a triangle must be greater than the length of the third side. In option A, the side lengths satisfy this condition since 50 + 35 > 25. In option B, the side lengths do not satisfy this condition since 5 + 10 < 15. In option C, the side lengths satisfy this condition since 8 + 12 > 85. In option D, the side lengths do not satisfy this condition since 5 + 7 < 9, 7 + 9 > 5, and 5 + 9 > 7.
After a certain number of years, the value of an investment account is represented by the equation A(t)=10,250(1+r0.4/12)^120 What is the value of the account?
Answers
The equation given is A(t) = 10,250(1 + r 0.04/12)^120. To solve for the value of the account, we need to calculate the right side of the equation. First, we need to calculate the exponent of 1+r 0.04/12. This is equal to 120, so the exponent is 120. Next, we need to multiply 10,250 by the exponent of 1+r 0.04/12. This will give us the value of the account. The answer is 1,895,167.50.
Do you guys know the answer please help?
Answers
The value of x in the figure such that Ray YU is an angle bisector is 18 degrees
How to determine the value of x in the figureGiven
The figure
Such that Ray YU is an angle bisector
An angle bisector is a line or a ray that divides an angle into two equal parts or halves.
In other words, an angle bisector divides an angle into two smaller angles with equal measures.
The point where the angle bisector intersects the opposite side is the angle bisector point
This means that
2x = 36
So, we have
x = 18
Hence, the value of x in the figure is 18
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PLEASE HELP! URGENT AND WORTH 50 POINTS!!!
Answers
Answer:
C) 2, 7, 6 can form a triangle.
Step-by-step explanation:
Triangle Inequality TheoremThe triangle inequality theorem states that the sum of any two sides of a triangle is greater than the length of the third side.
To determine which group of given side measures will form a triangle, sum each pair of sides and compare to the third side. If all three inequalities are true, the group will form a triangle.
Given side lengths: 9, 4, 3
⇒ 9 + 4 > 3
⇒ 9 + 3 > 4
⇒ 4 + 3 [tex]\ngtr[/tex] 9
Therefore, this group cannot form a triangle.
Given side lengths: 8, 1, 7
⇒ 8 + 1 > 7
⇒ 8 + 7 > 1
⇒ 1 + 7 [tex]\ngtr[/tex] 8
Therefore, this group cannot form a triangle.
Given side lengths: 2, 7, 6
⇒ 2 + 7 > 6
⇒ 2 + 6 > 7
⇒ 7 + 6 > 2
Therefore, this group can form a triangle.
Given side lengths: 12, 10, 22
⇒ 12 + 10 [tex]\ngtr[/tex] 22
⇒ 12 + 22 > 10
⇒ 10 + 22 > 12
Therefore, this group cannot form a triangle.
Each cell in the crossnumber below contain a single non-zero digit. The answer
two-digit number.
What is the value of x?
A 1
21 UK Mathematics Trust
Clues
ACROSS
1. A square
3. An odd square
B 3
Down
1. A square
2. A square
C 5
www.ukmt.org.uk
1
3
D 7
2
X
Answers
The answer to the crossnumber is 25.
What is number?Number is a mathematical object used to count, measure, and label. It is a fundamental concept in mathematics and is used to describe sets, groups, and other mathematical objects. Numbers are used to measure quantities, such as length, area, time, and weight. They are also used to represent relationships between objects, and to describe the properties of those objects. Numbers can be represented in various forms, such as integers, fractions, and decimals.
This can be determined by examining the clues and their corresponding digits. Across, the clue is "A square", so the digit in the corresponding cell must be a perfect square, in this case 1. The next clue is "An odd square", so the digit must be an odd perfect square, which is 3. Down, the first clue is "A square", so the digit must be a perfect square, which is 5. The last clue is "A square", so the digit must be a perfect square, which is 7. When all the digits are put together, the resulting two-digit number is 25.
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A college professor claims that students who major in engineering in college score higher on standardized test then students who major in ancient history. He randomly selected 50 students from each subject and gave them this assignment the results of which are shown here.
See chart and answer choices in photo!
Please answer quickly, tysm!
Answers
The statement which best describe the correct null and alternative hypotheses, the test statistic, and conclusion at a significance level of 0.05 is:
D. H₀: μ₁ = μ₂ H₁: μ₁ < μ₂.
test statistic, t = -1.5625.
conclusion: fail to reject the null hypothesis μ₁ = μ₂.
How to determine and write the null and alternative hypotheses?Based on the information provided, the appropriate null hypothesis and alternative hypothesis would be represented by the following mathematical expression:
H₀: μ₁ - μ₂ ≤ 0; μ₁ = μ₂
H₁: μ₁ - μ₂ < 0; μ₁ < μ₂.
For the critical value, we have:
Critical probability (p*) = 1 - α
Critical probability (p*) = 1 - 0.05
Critical probability (p*) = 0.9500.
Based on the distribution table for probabilities, a value that corresponds to 0.9500 can be calculated as follows;
Zα = 1.6 + 0.05 = 1.65.
For an upper-tailed test, the critical value is given by;
Z_{critical} = 1.65.
Therefore, if Z_{test} > 1.65; reject null hypothesis (H₀) and if Z_{test} < 1.65; fail to reject null hypothesis (H₀).
Next, we would determine the test statistic:
[tex]Z_{test} = \frac{116 -121 -0}{\sqrt{\frac{16^2}{50} +\frac{16^2}{50} } } \\\\Z_{test} = \frac{-5}{\sqrt{\frac{256}{50} +\frac{256}{50} } }\\\\Z_{test} = \frac{-5}{\sqrt{10.24} }[/tex]
Z_{test} = -5/3.2
Z_{test} = -1.5625
In conclusion, we would fail to reject null hypothesis (H₀) since a Z_{test} of -1.5625 is less than a Z_{critical} of 1.65.
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