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Ymorist [56]
3 years ago
11

You earn 28$ for washing 7 cars. How much do you earn for washing 3 cars?​

Mathematics
2 answers:
Fiesta28 [93]3 years ago
8 0

Answer:

$12

Step-by-step explanation:

;)

natima [27]3 years ago
7 0

Answer:

12

Step-by-step explanation:

28 divided by 7 = 4

4 x 3 = 12

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Take away 1/5 of 50% =
zaharov [31]
30%,
1-5=20%
so 50%-20%= 30%
5 0
3 years ago
Answer this question pls!! (Will give Brainliest)
AnnyKZ [126]

Answer:

D. y = 12.5x + 15

Step-by-step explanation:

Using the values provided in the table, the only equation that would be valid would be the following...

y = 12.5x + 15

That is because if we substitute any value provided in the table for x , this equation will correctly output the y value shown in the table for the attached x-value. For example, in the table 5 nights (x = 5) should have a total cost of 77.5 (y = 77.5)... Therefore, if we substitute 5 for x in the function it should give  us 77.5 which it does.

y = 12.5(5) + 15

y = 62.5 + 15

y = 77.5

3 0
3 years ago
What is the slope of the line that contains these points?
Liono4ka [1.6K]

Answer:

m=-3/7

Step-by-step explanation:

(-4,2), (-3,5)

x1  y1   x2 y2

m=<u>y2-y1</u>

     x2-x1

m=<u>5-2</u>

    -3-4

m=<u>3</u>

   -7

m=-3/7

3 0
3 years ago
Choose the property that is demonstrated by this problem.
tatyana61 [14]
The correct answer is:  [D]:  "distributive" .
_________________________________________________
Note the "distributive property of mutliplication" :
_________________________________________________
  
a(b + c) = ab + ac ;

  a(b − c) = ab <span>− ac ;
_________________________________________________</span>
6 0
3 years ago
(2x^2-4x+8)+(3x^2+15x-12)
Neko [114]

Answer:

5x2+11x−4

Step-by-step explanation:

=2x2+−4x+8+3x2+15x+−12

Combine Like Terms:

=2x2+−4x+8+3x2+15x+−12

=(2x2+3x2)+(−4x+15x)+(8+−12)

=5x2+11x+−4

have a great weekend <3

6 0
3 years ago
Read 2 more answers
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