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Svetach [21]
3 years ago
15

What does a variable all you to do that you couldn't do before

Mathematics
1 answer:
storchak [24]3 years ago
7 0
Variable means things that are kept the same. But also means different
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Harriet earns the same amount of money each day. Her gross pay at the end of 7 work days is 35h + 56 dollars. Which expression r
Aleks [24]

Answer:

<em>The expression that represents her gross pay each day will be:  (5h+8) dollars.</em>

Step-by-step explanation:

Suppose, Harriet's gross pay each day = x

So, her total gross pay for 7 work days =7*x= 7x

Given that, her gross pay at the end of 7 work days is (35h + 56) dollars.

So, the equation will be.......

7x= 35h+56 \\ \\ x=\frac{35h+56}{7}\\ \\ x=\frac{35h}{7}+\frac{56}{7}\\ \\ x=5h+8

Thus, the expression that represents her gross pay each day will be:  (5h+8) dollars.

8 0
3 years ago
The volume of a cylinder is 980pi in ^3 The height of the cylinder is 20 in. What is the radius of the cylinder?
siniylev [52]

Answer:

The radius of the cylinder is 7 in

Step-by-step explanation:

To calculate the radius of a cylinder we have to use the following formula:

v = volume  = 980π in³

h = height = 20in

π = pi

r = radius

v = (π * r²) * h

we replace with the known values

980π in³  = (π * (r)²) * 20in

980π in³ / 20in = π * (r)²

49 in² = (r)²

√(49 in²) = r

7 in = r

The radius of the cylinder is 7 in

7 0
3 years ago
A candy company ships 1,200 candy bars to
krok68 [10]

Answer:

90 candy bars will be expired!

Step-by-step explanation:

40/3=1200/x

x = 90

8 0
3 years ago
Read 2 more answers
X/5+7=3<br> tellme fastplease
Aliun [14]

Answer:

-20

Step-by-step explanation:

x/5=3-7

x/5=-4

x=-4×5

x=-20

5 0
2 years ago
Which of the following is a rational number?<br> 97, 98, 99, 100
Jet001 [13]

Answer:

97

Step-by-step explanation:

7 0
3 years ago
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