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jeka94
3 years ago
13

When 180 is decreased by 9 times a number the result is 18

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
4 0
The equation is 180-9x=18
The Solution is: x=-6.8
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3 years ago
Help Please!! I am not sure what to do?
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Answer:

10 < \sqrt{111} < 11

Step-by-step explanation:

The square root of 111 is approximately 10.536.

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Which rules define the function graphed below? Edge
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Answer:

B

Step-by-step explanation:

In the first part for every x, y is the value of x plus 2, while in the second part for every x. y is 5

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2 years ago
Doing research for insurance rates, it is found that those aged 30 to 49 drive an average of 38.7 miles per day with a standard
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Answer: 0.4302

Step-by-step explanation:

Given : Mean : \mu=\text{38.7 miles }

Standard deviation : \sigma=\text{6.7 miles }

Sample size : n=60

Also, these distances are normally distributed.

Then , the formula to calculate the z-score is given by :-

z=\dfrac{x-\mu}{\sigma}

For x=32.5

\\\\ z=\dfrac{32.5-38.7}{6.7}=-0.925373134\approx-0.93

For x=40.5

\\\\ z=\dfrac{40.5-38.7}{6.7}=0.268656\approx0.27

The p-value = P(-0.93

=P(0.27)-P(-0.93)=0.6064198- 0.1761855=0.4302343\approx0.4302

Hence, the required probability :-0.4302

3 0
3 years ago
Triangle PQR is transformed to triangle P'Q'R'. Triangle PQR has vertices P(3, −6), Q(0, 9), and R(−3, 0). Triangle P'Q'R' has v
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Step-by-step explanation:

that's for Part B

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3 years ago
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