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Jlenok [28]
2 years ago
8

--8x < 32. How can I solve this

Mathematics
1 answer:
Vlada [557]2 years ago
4 0

Answer:

<u>Divide by -8</u> on both sides. <u>Flip</u> the inequality.

Step-by-step explanation:

You didn't provide any answer choices, but here's how you would solve this:

-8x < 32\\\\\frac{-8x}{-8} < \frac{32}{-8}\\ \\x > -4

Notice that because we divided by a negative, the inequality sign must flip in the other direction!

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What is the greatest common factor of 9x^{2}y9x 2 y and 5x^{4}y^{2}5x 4 y 2 ?
Musya8 [376]
ANSWER

The greatest common factor is
{x}^{2} y

EXPLANATION

We want to find the greatest common factor of

9 {x}^{2} y

and

5 {x}^{4}  {y}^{2}

The prime factorizations are;


9 {x}^{2} y =  {3}^{2}  \times  {x}^{2}  \times y


and


5 {x}^{4}  {y}^{2}  = 5 \times  {x}^{4}  \times  {y}^{2}


The product of the least powers of the common factors is the greatest common factor.


=  {x}^{2} y
7 0
3 years ago
Monthly water bills for a city have a mean of $108.43 and a standard deviation of $36.98. Find the probability that a randomly s
GaryK [48]

Answer:

The bill size can be considered usual.

Step-by-step explanation:

Mean (μ) = $108.43

Standard deviation (σ) = $36.98

Now, consider the distribution to be normal distribution :

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Now, finding values of z-score from the table. We get,

P(Z > 1.75) = 0.9599

⇒ 95.99%

So, only 4.01 % of the people in the city wastes water.

Hence, the bill size can be considered usual.

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Answer:

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Step-by-step explanation:

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