Both (x + y = 15) and (0.5x + 0.65y = 9.00) make up the equation system.
What is an equation ?Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
We have LHS = RHS (left hand side = right hand side) in every mathematical equation.
To determine the value of an unknown variable that represents an unknown quantity, equations can be solved.
The statement is not an equation if there is no "equal to" sign in it
According to our question-
x is the quantity of oranges.
y is the quantity of apples.
Oranges plus apples equal 15, or x plus y equals 15, so Aisha purchased 15 pieces of fruit.
Apples cost $0.65 and oranges cost $0.50. The fruit cost Aisha $9.00.
0.5x (the total cost of the oranges) + 0.65y (the total cost of the apples) equals 9.00 (the total cost of the fruit).
x + y = 15
0.5x + 0.65y = 9.00
As a result, the system of equations is (0.5x + 0.65y = 9.00) and (x + y = 15).
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Describe the transformation from the red figure to the blue figure.
The blue figure is translated ____ units ____ and ____ units ____ from the red figure.
Step-by-step explanation:
The blue figure is translated 2 units down and 6 units across from the red figure.
the chicken coup at the petting farm is 10 feet by 14 feet. the farm would like to double the current area by adding the same amount, x, to the length and width.
Answer:
22 by 26
Step-by-step explanation:
10+10+14+14=48 (the perimeter)
48×2=96
10+12=22
14+12=26
22+22+26+26=96
The first 5 terms of a certain sequence are 6. 12, 24, 48, and 96.
Which two statements about this sequence are true?
This is a geometric sequence.
This is an arithmetic sequence.
The function f(n)2(6)"
The function f(7) = 6(2)"
The function f(n) = 6 -6(n
represetits this sequence, where is a positive whole
represents this sequence, where is a positive whole r
1) represents this sequence, where n is a positive wh
Answer:
see explanation
Step-by-step explanation:
there is a common ratio between consecutive terms, that is
12 ÷ 6 = 24 ÷ 12 = 48 ÷ 24 = 96 ÷ 48 = 2
this indicates the sequence is geometric
the nth term of a geometric sequence is
f(n) = a₁ [tex](r)^{n-1}[/tex]
where a₁ is the first term and r the common ratio
here a₁ = 6 and r = 2 , then
f(n) = 6 [tex](2)^{n-1}[/tex]
janes is 2 mi offshore in a boat and wishes to reach a costal village 6 mi down a straight shoreine from the point nearest ht eboat
Jane should land 1.5 mi down the shoreline and walk the remaining 4.5 mi to the village to minimize her travel time.
Let x = distance travelled along the shore over water.
Then, 6 − x = distance travelled along the shore over land.
Let T = the total time taken to reach the destination.
T = distance/velocity = √(4 + x²)/3 + (6-x)/5 on [0, 6].
Note that T must be non negative and that x = 6 means the destination
is reached solely by rowing and without the benefit of faster land
travel. In actual fact, T is valid over [0, ∞) but [0, 6] is reasonable here.
T' = x/3√(4 + x²) - 1/5 = 5x - 3√(4 + x²) = 0
⇒5x = 3√(4 + x²)
⇒25x² = 9(4 + x²)
⇒16x² = 36
⇒x = ±6/4 = ±1.5
The negative x value is discarded since it does not belong to [0,6].
T(0) = 28/15 = 1.8667
T(1.5) = 1.733
T(6) = 2.1082
Therefore, Jane should land 1.5 mi down the shoreline and walk the
remaining 4.5 mi to the village to minimize her travel time.
Her minimum travel time will be T(1.5) = 1.733 hrs. or 1hr 44 min.
--The given question is incomplete, the correct question is
"Jane is 2 mi, offshore in a boat and wishes to reach a coastal village 6 mi, down a straight shoreline from the point nearest the boat. She can row at 3mph and can walk at 5 mph. Where should she land her boat to reach the village in the least amount of time?"--
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ILL BRAINLIEST YOU PLEASE HELP ME
Answer:
1.) 15
2.) 12.5
Step-by-step explanation:
what meat is the most expensive per pound?
Answer:
B
Step-by-step explanation:
14.50 / 1.75 = 8.3
26.25 / 2.5 = 10.5
3/8 * 2 = 0.75 .... 5.5 * 2 = 11 (no need to continue)
Greg has 14 as many songs on his computer as Mark. Raj has 6 fewer than 60% of the songs that Mark has. Mark has 720 songs on his computer.
Using percentage and equations, Greg has 734 songs, Raj has 426 songs and Mark has 720 songs
What is PercentagePercentage is a way of expressing a number as a fraction of 100. It is often denoted using the percent symbol, "%". For example, 45% (read as "forty-five percent") is equal to 45/100, or 0.45. Percentages have no dimension, which it's why they are dimensionless number. for example 60% of a number, then it means 60 per cent of its whole.
In this problem, we can write an equations and solve to determine the number of songs Greg has on his computer.
Let;
x = number of songs Greg hasy = Number of songs Raj hasSince Mark has 720 songs in his computer;
x = 14 + 720
x = 734
Greg has 734 songs
We can calculate the number of songs Raj has by;
y = 60%(720) - 6
y = [(0.6) * 720] - 6
y = 426
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HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
Answer:
b
Step-by-step explanation:
F(x)=2(x-3)squared it’s graphing and I forgot how to solve it
The solution of the function f(x) = 2(x - 3)² is at x = 3 as shown in the graph.
What is an equation?An equation is used to show the relationship between numbers and variables.
Polynomial can be classified based on degree as linear, quadratic, cubic.
Given the function:
f(x) = 2(x - 3)²
The graph of f(x) is plotted. The solution of the graph can be gotten from its x intercept. Hence the solution is at x = 3
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A cereal box is designed to hold a volume of 4096 cubic centimetres of cereal.
What dimensions will minimize the cost of producing the box?
Answer:
Refer to the step-by-step
Step-by-step explanation:
To minimize the cost of producing the box, we would want the box to be a cube.
Where the volume, [tex]V=s^{3}[/tex], where s is the length of one side of the box.
We were given the value, [tex]V=4096 cm^{3}[/tex], plug this into the equation above so we can find the dimensions of the box...
[tex]4096=s^{3} = > s=\sqrt[3]{4096} = > s=16[/tex]
Thus the dimensions to minimize the cost of the production of the box would be 16cm by 16cm by 16cm.
Simplify (with steps please:))
√((x+c)^2 + y^2) = x*a/c + a
On solving the expression for (y), we get two possible values, one real and one complex as -
y = √{ (a²x²/c² + a² + 2a²x/c) - (x² + c² + 2xc)} -- Real
y = i√{(a{x/c + 1})² + (x² + c² + 2xc)} -- Complex
What is expression?In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.Mathematical symbols can designate numbers (constants), variables, operations, functions, brackets, punctuation, and grouping to help determine order of operations and other aspects of logical syntax.Given is the expression as follows -
√{(x + c)² + y²} = x (a/c) + a
√{(x + c)² + y²} = xa/c + a
√{(x + c)² + y²} = a{x/c + 1}
√{x² + c² + 2xc + y²} = a{x/c + 1}
{x² + c² + 2xc + y²} = ± (a{x/c + 1})²
Now, we can write -
{x² + c² + 2xc + y²} = (a{x/c + 1})² ...... (1)
and
{x² + c² + 2xc + y²} = - (a{x/c + 1})² ......... (2)
Solving (1) as -
{x² + c² + 2xc + y²} = (a{x/c + 1})²
{x² + c² + 2xc + y²} = a²(x/c + 1)²
{x² + c² + 2xc + y²} = a²(x²/c² + 1 + 2x/c)
{x² + c² + 2xc + y²} = (a²x²/c² + a² + 2a²x/c)
y² = (a²x²/c² + a² + 2a²x/c) - (x² + c² + 2xc)
y = √{ (a²x²/c² + a² + 2a²x/c) - (x² + c² + 2xc)}
Solving (2) as -
{x² + c² + 2xc + y²} = - (a{x/c + 1})²
y² = - (a{x/c + 1})² - (x² + c² + 2xc)
y² = - {(a{x/c + 1})² + (x² + c² + 2xc)}
y = √- {(a{x/c + 1})² + (x² + c² + 2xc)}
y = i√{(a{x/c + 1})² + (x² + c² + 2xc)}
Therefore, on solving the expression for (y), we get two possible values, one real and one complex as -
y = √{ (a²x²/c² + a² + 2a²x/c) - (x² + c² + 2xc)} -- Real
y = i√{(a{x/c + 1})² + (x² + c² + 2xc)} -- Complex
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The areas of the squares adjacent to two sides of a right triangle are 29.2529.2529, point, 25 units^2 2 squared and 131313 units^2 2 squared. 13\text{ units}^213 units 2 29.25\text{ units}^229.25 units 2 xx Find the length, xxx, of the third side of the triangle.
Using the Pythagoras Theorem the third side c of the right-angled triangle is obtained as 6.5 units.
What is Pythagoras Theorem?
In a right-angled triangle, the square of the hypotenuse side is equal to the sum of the squares of the other two sides, according to Pythagoras's Theorem. These triangle's three sides are known as the Perpendicular, Base, and Hypotenuse. Due to its position opposite the 90° angle, the hypotenuse in this case is the longest side.
The data given is -
Assume a, b and c are sides of right-angled triangle.
Then, two adjacent sides of right-angled triangle are -
a^2=29.25 squared units
b^2=13 squared units
The unknown side c is taken to be x.
Find the length of c using Pythagoras Theorem -
c^2=a^2+b^2
where, c is the hypotenuse, a is the perpendicular and b is the base.
Plugging the values in the equation -
x^2=29.25+13
x=√(29.25+13)
x=√42.25
x=6.5
Therefore, the third side measures x=6.5 units.
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Level 3: What is the sum of the polynomials?
(-7x2 – 3x4 – 5) + (-3x4 +3+9x²)
Answer:
2x^2-6x^4-2
Step-by-step explanation:
Answer:
Remove parentheses.
−7x²−3[tex]x^{4}[/tex]−5−3[tex]x^{4}[/tex]+3+9x²
Add −7x² and 9x² .
2x²−3[tex]x^{4}[/tex]−5−3[tex]x^{4}[/tex]+3
Subtract 3[tex]x^{4}[/tex] from −3[tex]x^{4}[/tex].
2x²−6[tex]x^{4}[/tex]−5+3
Add −5 and 3.
2x²−6[tex]x^{4}[/tex]−2
Step-by-step explanation:
Which is the equation of the given line?
x = 1 y = 2x y=x y=1 (need help ASAP)
Answer:
y = 1
Step-by-step explanation:
Since the line is a horizontal line through 1, y = 1.
What is the radius and diameter of the following circle
Answer:
r=4.2
d=9
Step-by-step explanation:
The radius is 4.2cm
The diameter is d=9
Solution
d=2r=2·4.5=9
Hope this helped!!!!!
How do you identify if a polynomial is a sum or difference of two cubes?
Identification if a polynomial is a sum or difference of two cubes can be done by factorizing the provided polynomial.
What is a polynomial?A polynomial is a mathematical expression that is a sum of one or more terms. Each term is a constant or a variable raised to a non-negative integer power and multiplied by a coefficient. The degree of a polynomial is the highest degree of the terms in the expression. A polynomial with one variable is called a univariate polynomial, and a polynomial with more than one variable is called a multivariate polynomial. Polynomials are used in various areas of mathematics, physics, engineering, computer science, and other fields. They can be used to model a wide range of phenomena and to solve problems that involve polynomial equations or inequalities.
What do you mean by factorization?Factorization, also known as factoring, is the process of breaking down a mathematical expression into a product of simpler factors. The goal is to express a given expression as a product of simpler expressions, which can be useful in solving equations and understanding the structure of the expression.
Factor the polynomial completely into its irreducible factors.
Look for terms that are of the form (x - a)^3 or (x + a)^3, where a is a constant. These are the cubes that you are looking for.
If there are two such terms, check if they can be combined into a single term by adding or subtracting them. If they can, then the polynomial is a sum or difference of two cubes.
If there are more than two such terms, check if any two of them can be combined in the same way. If they can, then the polynomial is a sum or difference of two cubes.
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A DVD player had a $108. Price tags the store gave a 25% discount. What was the amount of the discount?
Answer:
$27
Step-by-step explanation:
If we know that %25 is equal to 1/4, or 0.25, then we can use an equation that look like this:
108 × 0.25 = 27
Therefore, the amount of the discount was $27
How can you solve for percentages?Solving for percentages can be tricky, and you may need help on trying to solve a problem including one. If you need to find a percentage of a number, the easiest way to do that is to convert the percentage into a fraction or decimal and multiply the total by that number.
For ex.
What is 15% of 60?
To do this, convert the percentage into a decimal.
15% converted into a decimal is 0.15.
Now multiply 60 by 0.15.
60 ÷ 0.15 = 9
So, the answer to this example would be 9.
What i the equation of the line that pae through the point (−8, −10) and (6, 3)? Write your anwer in lope-intercept form
The equation of the line that passes through the points (−8, −10) and (6, 3)in slope-intercept form is y = (13/14) x - 18/7.
The equation of a line can be expressed in three different forms: standard form, slope-intercept form, and point-slope form.
The slope-intercept form of the equation of a line is given by the formula:
y = mx + b
where m is the slope of the line
b is the y- intercept
Given the two points, (−8, −10) and (6, 3), get the slope of the line using the formula:
m = (y₂ - y₁) / (x₂ - x₁)
m = (3 - -10) / (6 - -8)
m = 13 / 14
Using the slope-intercept form, plug in the value of the slope and one point to determine the y-intercept, b.
y = mx+ b
-10 = (13/14)(-8) + b
b = -18/7
Substitute the value of the slope and y-intercept in the slope-intercept form.
y = mx + b
y = (13/14) x - 18/7
Hence, the equation of the line in slope-intercept form is y = (13/14) x - 18/7.
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What is the solution to the equation 1 h 5 2 h 5?
h = 7 is the solution to the equation 1/ (h - 5) + 2/ (h + 5) = 16 / (h² - 25)
What is an equation?The meaning of such an equations in algebra is just a mathematical expression stating the equality between two mathematical terms. For instance, 6x + 5 = 11 is an equation where 6x + 5 and 11 are two expressions separated by the 'equal' sign.
Identity equations and conditional equations are the two types of equations. For just any value of both the variables, an equality remains true. Only such variables have values that make a condition expression true. Two expressions joined by an equals sign ("=") form an equation.
The equation given that,
1/ (h - 5) + 2/ (h + 5) = 16 / (h² - 25)
The least common multiple of the denominators is:
h² - 25 = (h - 5) (h + 5)
We multiply through with the LCM to obtain:
= [(h - 5) × (h + 5)] × [1 / (h - 5)] + [(h - 5) × (h + 5)] × [2 / (h - 5)]
= 16 / (h² - 25) × [(h - 5) × (h + 5)]
We cancel out common factors to obtain:
= 1 (h + 5) + 2 (h - 5)
= 16
We expand the brackets to obtain
= h + 5 +2h - 10
We group like terms to get:
h + 2h = 16 - 5 + 10
This simplifies to:
3h = 21
We now divide through by 3 to obtain:
h = 7
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Given that $k$ is a positive integer less than 6, how many values can $k$ take on such that $3x \equiv k \pmod{6}$ has no solutions in $x$
Supposing the value of x to be an integer, the values of k that donot
satisfy the given equation 3x = k mod 6 are 1,2,4,5.
What is an integer?An integer, which can comprise both positive and negative integers, including zero, is a number without a decimal or fractional portion.
What is the difference between integers and whole numbers?Integers are a set of numbers that include both positive and negative numbers, as well as zero. Whole numbers, on the other hand, only include the set of non-negative numbers starting from 0 (i.e., 0, 1, 2, 3, 4, ...). In other words, whole numbers are a subset of integers.
If 3x = k mod 6 has no solutions in x, then k must not be divisible by 3. The positive integers less than 6 that are not divisible by 3 are 1, 2, 4, and 5. Therefore, k can take on 4 values: 1, 2, 4, and 5.
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Please help me asap!!
Answer:
D
Step-by-step explanation:
Put the letters into the correct order to make worlds. Then match them to the definitions
oiffce psorin hlostipa ctotgae fcatyor gtues-hsoue
1. A room or building where people work at desks……..
2. A small hotel that is not very expensive………
3. A building where people are sent if they have committed a crime……..
4. A building where people go if they ill……..
5. A building where people make things, often using machines………
6. A small attractive house in the country……….
*************
1. A: Excuse me, can you tell me (1) the way to how far for the station?
B: Yes, sure. (2) Take/Turn left at the traffic lights and you'll see the station (3) in front / by
front of you.
2. A: Excuse me, (4) is it far / can you direct to the museum?
B: No. Just go (5) straight off / straight on for about half a kilometre and the museum is
(6) on / at your right.
Answer:
Step-by-step explanation:
Akira receives a price at a science fair for having the most informative project her trophy is in the shape of a square pyramid and is covered in shiny gold foil how much gold foll did it take to cover the trophy including the bottom
Answer:
216 cm^2
Step-by-step explanation:
If Claire bikes at an average speed of 7 miles per hour how many hours will it take her to ride 28 miles?
Answer:
4 hours
Step-by-step explanation:
28/7 = 4
A farmer has enough food to feed 20 animals in his cattle for 6 days. How long would the food last if there were 10 more animals in his cattle?
Answer:
A farmer has enough food to feed 20 animals in his cattle for 6 days. How long would the food last if there were 10 more animals in his cattle? Here the number of animals and the number of days are in inverse proportion. Hence the food will last 4 days.
Christina is planning on selling handmade blankets. She has 1,000 blankets to sell and expects the number of blankets sold to be 10 fewer than her total number of blankets for every $1 she
charges for a blanket. What is the equation
The equation is y = 1000 - 10x, where y is the number of blankets sold and x is the price in dollars.
This equation represents the relationship between the number of blankets sold (y) and the price of each blanket (x). The equation starts with the total number of blankets Christina has to sell (1000) and then subtracts 10 for every $1 increase in the price of the blanket. This means that as the price of the blanket increases, the number of blankets sold will decrease by 10 for every $1 increase. For example, if Christina charges $50 for a blanket, the number of blankets sold would be 500 (1000 - (10x50)).
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The factorization of a trinomial is modeled with algebra tiles.
An algebra tile configuration. 3 tiles are in the Factor 1 spot: 1 is labeled + x, 2 are labeled negative. 4 tiles are in the Factor 2 spot: 1 is labeled + x and 4 are labeled +. 12 tiles are in the Product spot: 1 is labeled + x squared, 2 are labeled negative x, the 3 tiles below + x squared are labeled + x, and the 6 tiles below the negative x tiles are labeled negative.
Which trinomial is factored?
x2 + 3x – 6
x2 + 5x – 6
x2 + 3x – 2
x2 + x – 6
Answer:
A.) x + 3 and x + 2
Step-by-step explanation:
The trinomial which is factored as described is; x² + x - 6.
Trinomial factorisationAccording to the question;
Factor 1 spot: 1 is labeled + x, 2 are labeled negative.(x -1 -1)
Factor 2 spot: 1 is labeled + x and 4 are labeled +.x + 1 + 1 + 1
Product spot: 1 is labeled + x squared, 2 are labeled negative x, the 3 tiles below + x squared are labeled + x, and the 6 tiles below the negative x tiles are labeled negative.x²-2x +3x -6
Hence, the product of the factors is therefore;
x² + x - 6.From the description of the previous factors; the trinomial which is factored is; x² + x - 6.
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PLEASE HELP: Given AC and BD bisect each other, prove that ΔABX≅ΔCDX using the SAS congruence theorem. ??
The ∆ABX and ∆CDX formed after the mutual bisection of AC and BD each other at point X are congruent i.e ΔABX ≅ ΔCDX, by SAS congruance theorem.
SAS congruence theorem: "SAS " stands for "Side-Angle-Side". If there is two sides and the angle between these two sides are congruent to the corresponding sides and angle of another triangle, then the two triangles are said to be congruent. We have , A Quadrilateral ABCD, such that AC and BD bisect each other at point X. After bisection there is formed 4 triangles. We have to show ΔABX ≅ ΔCDX by SAS Congruance Rule. Now, as we know that bisect point divides the sides into two equal parts, i.e, AX = CX and DX = BX. So, in ΔABX and ΔCDX
AX = CX ( since X is bisecter point )BX = DX ( from bisection )m∠AXB = m∠CXD ( corresponding angles)As we see ∠AXB is angle in between to two sied AX and BX . Similarly, ∠CXD is in between CX and DX . So, by using SAS congruance theorem ∆ABX is congruent to ∆CDX i.e., ΔABX ≅ ΔCDX.
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In store the ratio of blue shirts to red shirts is 2:5. If there is 100 red shirts in the store, how many blue shirts are there?
The ratio of blue shirts to red shirts is 2:5, so for every five red shirts, there are two blue shirts.
What is ratio?Ratio is a mathematical term used to compare two different values. It is a way of expressing one quantity in relation to another. Ratios can be written as fractions, decimals, or percentages. Ratios are used in many different areas, such as finance, economics, science, and engineering. Ratios are also used to compare the size, speed, or cost of different items. Ratios can be used to compare parts of a whole, or to compare different items within a group.
Since there are 100 red shirts in the store, there are 40 blue shirts in the store (100 / 5 x 2 = 40).
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PLEASE HELP ME ILL MARK YOU AS A Brainiest
Quickkkkkk
Answer:
5 + 2q = 15
Step-by-step explanation:
The perimeter is 4 + 2 + q + (q - 1) = 15.
Add 4 + 2 then subtract the sum from both sides.
q + (q - 1) = 9
This can be simplified further by adding the "q" variables together.
2q - 1 = 9
Add 1 to both sides.
2q = 10
Divide both sides by 2 to isolate q.
q = 5