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Marta_Voda [28]
3 years ago
13

Solve the following equation or inequality for the unknown variable. Round answer to two decimal places if necessary.

Mathematics
1 answer:
Sonbull [250]3 years ago
3 0

Answer:

x = 2.7

Step-by-step explanation:

The given equation is :

(3x)^2-10=56

We need to solve it for x.

It can be rewrite as follows:

9x^2-10=56

Adding 10 to both sides,

9x^2-10+10=56+10\\\\9x^2=66\\\\x=\sqrt{\dfrac{66}{9}}\\\\x=2.70

So, the value of x is equal to 2.7.

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Answer:

15.51

Step-by-step explanation:

14.91x4%=.60

14.91+.60=15.51

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Elaine Mellon earns $17.80 per hour as an electric billing specialist for a legal clinic. How many hours per week must she work
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(-3x^2+x^4+x)+(2x^4-7+4x)
iragen [17]

1. Remove parentheses

-3x^2 + x^4 + x + 2x^4 - 7 + 4x

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Find the mass of 250 ml of water. The density of water is 1 g/ml.
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