3 years ago

Choose the algebraic expression that best matches this verbal description: "the sum of 3 and 7 times a number x

Mathematics

1 answer:

aniked [119]3 years ago

8 0

Answer:

Step-by-step explanation:

the sum of 3 and 7 is 3+7. then times x

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Answer:

The Z score of the person is -3.09.

Step-by-step explanation:

The standard normal deviate (Z) for a normal distribution is given by

$Z=\frac{X-\bar{X}}{\sigma }$

where,

X = the value of observation

$\bar{X}$ is mean of the observations and

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Applying values we get

$Z=\frac{59-72}{4.2}=-3.09$

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I need this problem simplified thanks! :)

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I dont understand that

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3 years ago

What is 10y ^1/2 in radical form

monitta

$10y^{\frac{1}{2}}\\
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3 years ago

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Answer:

640,121

Step-by-step explanation:

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Answer:

D.) 75 meters

Step-by-step explanation:

1 minute is 60 seconds

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