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erastovalidia [21]

3 years ago

8

Danielle sells 3 donuts for $9. Write an equation to represent the relationship between the number of donuts sold and the earnin

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Halp

1 answer:

xxTIMURxx [149]3 years ago

8 0

3x=9. 3 represents the donuts she sold, x represents the cost of each donut and 9 is the total earning

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pav-90 [236]

Answer: wow

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8 0

3 years ago

What is the sum in simplest form?<br> 41 +13 = 1

Alborosie

Answer:

x + y = 41

x - y = 13

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

2x = 54..............We divide 2 such that

x = 27

Then we plug 27 into the equation such that

27 + y = 54.................Subtract 27 to get

y = 14

Step-by-step explanation:

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3 years ago

What are the coordinates of B if the midpoint of line segment AB is (2,-5) and the coordinates of point A is (4,4)?

Vlad1618 [11]

Answer:

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6 0

3 years ago

So I kinda forgot how to do this *nervous laughter* um help

natali 33 [55]

1) value of x =60

2) value of x = 3

Step-by-step explanation:

We need to use cross products to solve the proportions of x.

$1.\,\, \frac{3}{5}= \frac{x}{100}$

Solving:

$\frac{3}{5}= \frac{x}{100}\\Cross\,\,multiply\,\,:\\5x=3*100\\5x=300\\x=\frac{300}{5}\\x=60$

So, value of x =60

$2.\,\,\frac{x}{8}=\frac{7.5}{20}$

$\frac{x}{8}=\frac{7.5}{20} \\20x=7.5*8\\20x=60\\x=\frac{60}{20}\\ x=3$

So, value of x = 3

Keywords: Ratio and Proportions

Learn more about Ratio and Proportions at:

#learnwithBrainly

7 0

3 years ago

How do you solve for what is a? Please answer quickly?<br><br> 4(a-2)=3(a+4)

Lunna [17]

4(a-2)=3(a+4)
4a-8=3a+12
a=20

8 0

3 years ago