The variables x and y have a proportional relationship, and y=7 when x=2.

Which equation represents this relationship?


y=9x

y=27x

y=72x

y=14x

Answers

Answer 1
y= 14x because it is a (i don’t know the word) like a multiplicative (maybe that’s what it’s called) of 2

Related Questions

can you please help me fill out the table!!
and
What do the x-values represent?
What do the y-values represent?

Answers

Answer:

X Values: Years After 1985

Y Values: Cell Phone Subscriptions

I am not sure of this answer, but please ask whoever assigned you it.

Find the are of the composite figure.

Answers

Answer:

819

Step-by-step explanation:

to find the area of a shape you have to multiply lengths by width by height So Since this one is 7 ,13 and 9 multiply them together I think

can someone help me solve this question!
?

Answers

Key ConceptsAlgebraic equations from word problemsSystems of equations

Solving the Question

We're given:

There were 478 people in total.$1.75 per child$2.25 per adultTotal revenue of $975We must find the number of children and adults who swam.

Set variables:

Let a represent the number of children who swam.

Let b represent the number of adults who swam.

Create equations

Because we've set two variables, we need two equations to be able to find the answers.

One of the equations will regard price while the other will regard the number of people, as those are the two things given in the question.

Number of people:

[tex]a+b=478[/tex]

The number of children + the number of adults = 478 in total

Price:

[tex]1.75a+2.25b=975[/tex]

$1.75 per child + $2.25 per child = $975 in total

Solve equations[tex]a+b=478[/tex][tex]1.75a+2.25b=975[/tex]

We can solve this question using substitution, where we plug one equation into the other.

Isolate a in the first equation:

[tex]a+b=478\\a=478-b[/tex]

Plug the first equation into the second equation by replacing a:

[tex]1.75a+2.25b=975\\1.75(478-b)+2.25b=975[/tex]

Solve for b:

[tex]1.75(478-b)+2.25b=975[/tex]

⇒ Open up the parentheses:

[tex]836.5-1.75b+2.25b=975\\836.5-0.5b=975[/tex]

⇒ Subtract 836.5 from both sides to isolate b:

[tex]-0.5b=138.5[/tex]

⇒ Divide both sides by -0.5:

[tex]b=277[/tex]

Therefore, there were 277 adults in total.

Solve for a:

[tex]a+b=478[/tex]

⇒ Replace b with 277:

[tex]a+277=478\\a=201[/tex]

Therefore, there were 201 children in total.

Answer

There were 201 children and 277 children at the pool that day.

i really need help on homework please help

Answers

Answer:

ARIA= LxH/2
A= 21x8/2 = 168/2=84cm

Step-by-step explanation:

Answer:

84cm

Step-by-step explanation:

AREA= LxH/2

A= 21x8/2 = 168/2=84cm

Question content area top
Part 1
Your class is selling boxes of flower seeds as a fundraiser. The total profit p depends on the amount x that your class charges for each box of seeds. The equation p= -0.5x²+25x-111 models the profit of the fundraiser.​ What's the smallest​ amount, in​ dollars, that you can charge and make a profit of at least ​$114​?

Answers

Answer:

12

Step-by-step explanation:

if we know we want a profit of at least 114, we need to solve for x.

if we put 12 for x we get the answer 117 and when we put 11 for x we get less than 114.

-0.5(12)^2 + 25(12)-111 = 117

Add. Write your answer in simplest form.
5 3/4+ 2 11/12
I will mark you Brainliest for fastest answers.
(Please use your own words, and no links to answers please!)

Answers

Answer :D

8 [tex]\frac{2}{3}[/tex] (8 2/3)

Question explanation:

5 [tex]\frac{3}{4}[/tex] +  2 [tex]\frac{11}{12}[/tex] = [tex]\frac{26}{3}[/tex] = 8 [tex]\frac{2}{3}[/tex]

(5 3/4) + (2 11/12) = (26/3) = (8 2/3)

(5 + 2) + ( [tex]\frac{3}{4}[/tex] + [tex]\frac{11}{12}[/tex] )

(5 + 2) + (3/4 + 11/12)

         

7 + 3 x 3 + [tex]\frac{11}{12}[/tex]

   (4 x 3)  (11/12)

7 + [tex]\frac{9}{12}[/tex] + [tex]\frac{11}{12}[/tex]

(9/12) + (11/12)

7 + 9 + 11

      (12)

7 + [tex]\frac{20}{12}[/tex]

(7 + 20/12)

7 + (20 ÷ 4)

     (12 ÷ 4)

7 + [tex]\frac{5}{3}[/tex]

(5/3)

7 + 1 [tex]\frac{2}{3}[/tex]  

( 1 2/3)

= 8 [tex]\frac{2}{3}[/tex]

 (8 2/3)

Simplify:

8 [tex]\frac{2}{3}[/tex] = [tex]\frac{26}{3}[/tex] = 8 [tex]\frac{2}{3}[/tex]

(8 2/3) (26/3) (8 2/3)

I hope this finds you well - Answered by Lilo

Which figure can be formed from the net?

Answers

Answer:

The top right one with the measurements 8mm x 8mm for the base and 10 mm for the slant height

Step-by-step explanation:

The net has a square base so that means the net forms a square based pyramid
Hope this helps :)

Answer:

The answer is the second figure on the top of the page.

Step-by-step explanation:

That's because the square is 8mm x 8mm

so the figure that has a square and 8mm x 8mm is the second one in the first row.

PLEASE HELP ME WITH MY MATH

Answers

Oh my gosh,

I need an answer for that as well..

Answer:

EYYRHEHF

Step-by-step explanation:

I HAVE NO IDEA PLEASE I NEED POINTS AND WANT TO BE BRAINLIEST I NEEEED ITTT !!!!11

Its pretty straight forward, (Questions in image)

Answers

2) Find the area of a parallelogram with a height of 8 inches and a base of 14 inches.

A=bh=14·8=112in²

3) Find the surface Area of the rectangular prism with a length of 15 cm, height of 7 cm, and width of 5 cm.

A=2(wl+hl+hw)=2·(5·15+7·15+7·5)=430cm²

4) Find the volume of the following figure:

[tex]V=\frac{lwh}{3} =\frac{16*8*9}{3} =384[/tex]

5) You are wrapping a cube shape present that is 9 inches tall. How much wrapping paper will you need to wrap the entire present.

SA = [tex]l*w*h[/tex] = 9x9x9 = 729in²

6) A truck has a trailer that has a length of 13ft, a width of 6ft, and a height of 8ft. What is the volume of the trailer?

[tex]V=whl=6*8*13=624[/tex]

----------------------------------------------------------------------------------------------------------

"The beautiful thing about learning is that no one can take it away from YOU"

B.B.King

Step-by-step explanation:

Find the area of a parallelogram then the surface Area of the rectangular prism

THAT IS=

A=2(wl+hl+hw)=2·(5·15+7·15+7·5)=430cm sq. Find the volume of the following figure: then the amount of paper for the present. A =  = 9x9x9 = 729in sq.  then

Volume of truck: Volume=widthxhieghtxlength=6x8x13=624

If this was helpful please give a thank you and a brainliest

Im confused, how will i do 8d and 9c

Answers

Answer:152Step-by-step explanation:

C. A=W

=19 × 15

A= 285

A=H

= 19×7

A= 133

A = 285A = 133A = 152

(= Hope It Helps! =)

hi i need help (again)

i swear im smart

Answers

Answer:

The weight of an adult dog is 45 pounds.

Step-by-step explanation:

9 pounds is 20% of the adult weight. To get to 100%, you have to multiply 20 by 5. Multiply 9 by 5 and it will be 45. Sorry for answering late.

#2 is 30 pounds
STEP BY STEP EXPLANATION
If 9 is 30% then you multiply it by three and get 90% 9x3=27 and to get the last ten percent you divide the 9 by three and you get 3, then you add that to 27 and you get 30

which graph shows the solution to y < -4?

Answers

Hello !

[tex]\huge \pmb {\boxed {\frak{Proof \: is \: shown \: below :}}}[/tex]

Your answer is B.

Hopefully This Helps ! ~

#LearnWithBrainly

[tex]\underline{Answer :}[/tex]

Dollixna ~

The given inequality y < -4 is shown in the attached graph. The correct answer would be an option (B).

What is inequality?

Inequality is defined as mathematical statements that have a minimum of two terms containing variables or numbers that are not equal.

Inequalities with "< or > "symbols are shown with a dashed line to indicate that the line is not inside the area. Inequalities involving symbols are depicted with a solid line to indicate that the line is included in the region.

We have been the given inequality y < -4

Rearrange the equation such that "y" is on the left and all other variables are on the right.

Plot the "y=" line (a solid line for y or y, and a dashed line for y or y>). The shade above the line for a "greater than" (y> or y), or below the line for a "less than" (y or y).

Hence, the given inequality y < -4 is have shown in the attached graph.

Learn more about the inequalities here:

brainly.com/question/20383699

#SPJ2

alan would take 5 hours to build the wall of a house, and gavin would take 7 hours to build it alone. when they work together, they talk a lot, and their combined output decreases by 26 bricks per hour. working together, they build the wall in 4 hours. how many bricks are in the wall?

Answers

Answer:

96 bricks

Step-by-step explanation:

Alan does 1/5 of the job in an hour. Gavin does 1/7 of the job in an hour

Together, 12/35 of the job should be done in an hour. In [tex]2 \frac{11}{12}[/tex] hours, the work should be done.

rate at 4 hours=[tex]2 \frac{11}{12}[/tex]*(normal speed-26)

To clarify, x=the normal rate

4 hours(normal rate-26)=[tex]2 \frac{11}{12}[/tex](normal rate)

4(x-26)=[tex]2 \frac{11}{12}[/tex]x

x=96

Please answer the question.

Answers

35, complementary angles add up to 90 so you can find your answer by doing 90-55.
35 is the correct answer

In the figure, line e || line f. which statement is true.

Answers

Answer:

angle 3 is 70

ANGLE :> 3

IS.

70

#CARY ON LEARNING

I'll give the brainiest. Help please

Answers

Answer:

First, set up equations for total cost for both Happy Paws and Woof Watchers.

x= number of hours

y= total cost

Happy Paws

y=3.50x +16

Woof Watchers

y=4.75x+11

4.75x+11=3.50x+16

x=4

You can check your answer by doing the following:

Happy Paws: (3.50)(4)+16= 30

Woof Watchers: (4.75)(4)+11= 30

Step-by-step explanation:

the answer is x=4 come in now that’s so easy

Write an equation that you can use to solve for x.

Enter your answer in the box.

Answers

Answer:

40 degrees

100-60=40

Step-by-step explanation:

The angle x is in another angle that looks like 100 and 100 minus 60 is 40.

Hope this helps and if it is correct.

Answer:

Step-by-step explanation:

Remark

x + 60 together make up an angle that is vertically opposite the 100 degree angle.

Vertically opposite angles are equal.

Equation

x + 60 = 100

Solution and Answer

x + 60 = 100                    Subtract 60 from both sides.

x + 60-60 = 100 - 60      Combine

Answer: x = 40

I need help with these this is due today

Answers

Answer:

Yah no way man your gonna fail

Step-by-step explanation:

Answer 1 is C
Answer 2 is B
Answer 3 is 5 Hours

A car can travel 60 miles per hours.

A. Create a table showing house far the car travels in 5 hours.

B. Write an equation to determined the distance d that the car can travel in t hours.

C. How long will it take the car to travel 540 miles? Explain your reasoning.

D. How far will the car travel in 12 hours? Explain your reasoning​

Answers

Answer:

do 60 times 5 puls540 and 12

Step-by-step explanation:

i think i am wrong but i am right i think

The answer is B. Write it in equation to determine the distance D that the car can travel in T hours.

Clarissa is making punch for a party. She mixes 64 fluid ounces of orange juice, 64 fluid ounces of pineapple juice, and 36 fluid ounces of apple juice.

Let p represent the total amount of punch that Clarissa mixes.

Which equations could be used to find the value of p?

Select each correct answer.


A.64 + 64 + 36 = p

B.64 × 2 + 36 = p

C.64 × 64 × 36 = p

D.64×2−36=p

E.64+64−36=p

Answers

Answer: A and B.

Step-by-step explanation: The first option works because Clarissa is adding 64 fluid ounces of both orange and pineapple juice and 36 fluid ounces of apple juice which makes it an addition problem.  Option B works as well because it is similar to option A, only it shortens the problem by multiplying 64 twice, because 64 pops up twice.  Options C, D, and E don't work because it doesn't include taking away any juice or multiplying it in immense amounts, so that's why those are wrong.

Hope this helps! :)

Answer is: A and B:) hope this helps

Consider the spinner divided into
8 equal sections.



A student spins the spinner 2
times. What is the probability the student spins an even number both times?

Answers

Answer:

About 25%

Step-by-step explanation:

If there are 8 selections the there are two spins

the 2 is divided by eight giving you 0.25 convert that into 25 and add the percentile so 25%.

Sorry if this is wrong. If this is right pls give brainlest.

The answer is going to be 25%.

I will give brainliest
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

0 0 0

2 3 1

4 6 2

6 9 3

the lines should be straight tho

ANOTHER KA QUESTION PLSSS

Answers

Answer:

-14/15 - 1/3v

Step-by-step explanation:

combine like terms -6/5 = -18/15 + 4/15 = -14/15

-2/3 + 1/3 = -1/3

brainliest only if its right

Answers

Answer:

1.2 cm

Step-by-step explanation:

3/5, in decimal form, is 0.6.

You find the diameter by multiplying the radius by 2.

0.6 * 2 = 1.2

Answer:

1 1/5 or 1.2

Step-by-step explanation:

You multiply the radius (the number in the picture) by two, because the diameter is twice the radius

hope that helps

Pls help me thank you

Answers

Answer:

that is 100

Step-by-step explanation:

5 to the power of 5 is 1oo

answer: 100

5 to the power of 5 is 100

Look at the number 3,939.39 below, as well as the position of each digit in the number.

9

9

Number 3

Position A

3 93

C D

DE

B

F

Fill in each blank below with the correct value. Drag and drop the correct numbers into the blanks.

• The 9 in position B has a value that is

times the value of the 9 in position D

• The 3 in position E has a value that is

times the value of the 3 in position C.

2

HE

11

1

-

3

:: 9

.: 10

100

:: 100

please look at comments i will put an image so you can see

Answers

Answer:

1) 100

2) 100

Please mark BRAINLIEST

help me pleaseeeeeeeeeeeeeeeeeeeee

Answers

Answer:

c) (-3s) - 9

Step-by-step explanation:

(-5s) + 2s - 9

-5s + 2s - 9 <== combine like terms

-3s - 9

Therefore, our answer is c.

Hope this helps!

Answer:

the answer is C.

Step-by-step explanation:

Start by combining like terms (-5s) and 2s= (-3s)

You can't subtract 9 from this because they aren't like terms.

(-3s) -9

Can someone find F(12).
i really have no idea...
Please and thank you?

Answers

Answer: 909.03

Step-by-step explanation:

We know that the equation is an exponential function, it can be written as y=ab^x

[tex]100 &=a b^{6.5} \dots \mathrm{Equation \ 1} \\11 &= a b^{1} \\[/tex]

[tex]\Rightarrow ab^1=11[/tex]

[tex]\Rightarrow \frac{ab^1}{b}=\frac{11}{b};\quad \:b\ne \:0[/tex]

[tex]\Rightarrow a=\frac{11}{b}[/tex]

a = 11/b, substitute it in equation 1

[tex]100 &=a b^{6.5}[/tex]

[tex]\Rightarrow 100=\left(\frac{11}{b}\right)b^{6.5}[/tex]

[tex]\Rightarrow 100b=11b^\frac{11}{2}[/tex]

[tex]\Rightarrow 11\sqrt{b^{11} } =100b[/tex]

[tex]\Rightarrow \sqrt{b^{11} } =\frac{100}{11}}[/tex]

[tex]\Rightarrow \sqrt{b^{11} } =\frac{100}{11}}[/tex]

[tex]\Rightarrow {b^{11} } =\frac{10000}{121}}[/tex]

[tex]\Rightarrow {b} =\frac{\sqrt[11]{10000 \cdot 11^9} }{11}[/tex]

[tex]\Rightarrow {b} = 1.49379[/tex]

a = 11/b

a = 11/(1.49379)

a = 7.36382

Equation: y = (7.36382)(1.49379)^x

Now plug in 12 for x:
[tex]\Rightarrow { \left(7.36382\right)\left(1.49379\right)^{12}[/tex]

[tex]\Rightarrow 7.36382\cdot \:1.49379^{12}[/tex]

[tex]\Rightarrow 7.36382\cdot \:123.44530\dots[/tex]

[tex]\Rightarrow 909.03[/tex]

Therefore, f(12) = 909.03 for the exponential function

help me with this people

Answers

Answer: 235 cm^2

Explanation: you can cut the shape into two smaller ones and then solve for each smaller shapes area. to find out the length of the top piece with 11 as length you can subtract nine from fourteen. from their you calculate the area of the top shape (11x5=55) and then the bottom shape (9x20=180). from their just add the two areas to get 235.

Answer:

246 cm squared

Step-by-step explanation:

u hv to break up the big shape into little shapes so you would do 20x9 and 20-14 which is 6 and do 6x11 and then add them up

A class collected data about the number of siblings each student had. How many students come from families with less than four children?

Answers

Answer:

2

Step-by-step explanation:

5 has 2 siblings it's number 5

the answer is going to be 13
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