2 years ago

HELP ME PLEASEEEEEEEEEEEEEEEE

Mathematics

2 answers:

Veronika [31]2 years ago

6 0

Answer:

D im not sure but i hope its right

Step-by-step explanation:

coldgirl [10]2 years ago

4 0

You're right its the answer is C

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87 - 4x= 43<br><br> I need to solve for x

egoroff_w [7]

Answer:

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Step-by-step explanation:

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2 years ago

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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

Alja [10]

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

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2 years ago

Hi can you pls help me pls yes do all

ruslelena [56]

Base x Height / 2 = Area of triangle.

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1 year ago

Pls answer professionally or with the right answer I’m beg you

Crazy boy [7]

1) y=106 x=106 2) z=68 y=112 x=112

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2 years ago

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Please Help. And please show your work, Thanks!

SVEN [57.7K]

I hope this helps......
oops leave it as fraction will be 24/7h

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3 years ago