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Natasha2012 [34]
3 years ago
10

If 5x +1/2_< 25 what is x?

Mathematics
1 answer:
Rudiy273 years ago
8 0

Answer:

x ≤ 4.9

Step-by-step explanation:

5x +1/2≤ 25

Multiply each side by 2 to get rid of the fractions

2(5x +1/2)≤ 25*2

10x +1 ≤ 50

Subtract 1 from each side

10x+1-1 ≤50-1

10x ≤ 49

Divide by 10 on each side

10x/10 ≤ 49/10

x ≤ 4.9

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You have posted 2 separate questions here.  Please, next time, separate them with a blank line:

<span>A circle has an area of 81 3.14 units . what is the diameter in terms of 3.14?

I'd prefer you write this as 
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Your second question, separated from the first, is:

"</span><span>a circle has an area of 81 Pi square units what is the diameter of the circle?"
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Use the following formula or formulas:  d = 2*r; A = pi*r^2; A = pi*(d/2)^2.  Find r first, and then find d.

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3 years ago
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Romashka-Z-Leto [24]

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