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QveST [7]
3 years ago
11

What is the difference between 7.20 dollars and 2.70 dollars In unit prices

Mathematics
2 answers:
liq [111]3 years ago
7 0

Answer:

7.2-2.7=x Doo the math buddy

Step-by-step explanation:

EastWind [94]3 years ago
6 0

Answer:

4.5

Step-by-step explanation:

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Which of the following is equivalent to 5x - x + 3x = 30? A 8x = 30 o 7x = 30 с 3x + 5= 30 x = 30​
lyudmila [28]

Answer:

Step-by-step explanation:

5x -x + 3x =30,  first you combine like terms 5x + 3x-x=30

8x-x =30

8-1=7

7x=30

4 0
2 years ago
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Negative three over eight ÷ five over nine
vesna_86 [32]

Answer:

-27/40

Step-by-step explanation:

5 0
3 years ago
Find the value of f(12) if f(x)=-2x+4
Contact [7]

Answer:

f(12) = - 20

Step-by-step explanation:

To evaluate f(12), substitute x = 12 into f(x), that is

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3 years ago
Help quik
artcher [175]
The answer will be 1/40
4 0
3 years ago
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1. Which of the following questions has a constant of
garik1379 [7]

Answer:

In B)  y = x/7 , the constant of proportionality is 7.

Step-by-step explanation:

Two quantities X and Y are said to be in proportion if and only if

X = kY   or, \frac{X}{Y}  = k,

where k =  Proportionality Constant.

Here, 7 is the constant of proportionality. Then,

A .   y = 14x

here, \frac{y}{x}  = 14  ≠ 7

B .   y = x/7

here, \frac{x}{y}  = 7  = constant of proportionality .

C.   y = x

here, \frac{y}{x}  = 1  ≠ 7

4 0
3 years ago
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