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2 years ago

I need help with scale drawings

Mathematics

1 answer:

Bogdan [553]2 years ago

8 0

Umm ok where is the picture

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3 years ago

Write a real-world problem that gives extra information. Tell what the extra information is.

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2 years ago

How to solve systems of equations

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2 years ago

A normal distribution has a mean 20 and standard deviation 5. What is the z score that corresponds to the value x=222

sashaice [31]

Answer: The z score that corresponds to the value x=22 is 0.4 .

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Given : A normal distribution has a mean 20 and standard deviation 5.

i.e. $\mu=20$

$\sigma=5$

Let x be the random selected variable.

We know that to find the z-score corresponds to the value x is given by :-

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

For x = 22, we have

$z=\dfrac{22-20}{5}=\dfrac{2}{5}\\\\\Rightarrow\ z=0.4$

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2 years ago

GIVING BRAINLIEST!<br><br> Solve for y: 3x - y = 14<br><br> Thank you~

ValentinkaMS [17]

To solve y, we need to make y the only value on the left hand side of the equation:

$3x - 3x - y = 14 \\ 3x - 3x - y = 14 - 3x \\ - y = 14 - 3x \\ y = - (14 - 3x) \\ y = - 14 + 3x$
Therefore the value of y = -14+3x.

Hope it helps!

8 0

2 years ago

I need help with scale drawings ​

I need help with scale drawings