3 years ago

Someone help me. ty

Mathematics

2 answers:

-Dominant- [34]3 years ago

7 0

Answer:

Step-by-step explanation:

Gnom [1K]3 years ago

6 0

The correct answer is B

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Will give brainlest :)

snow_lady [41]

Answer:

Step-by-step explanation:

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3 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 .

Step-by-step explanation:

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

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

Hence, the z score that corresponds to the value x=22 is 0.4

5 0

3 years ago

How do i factor this trinomial 5y^2 — 7y — 6

scZoUnD [109]

Answer:

(5y+3) x (y-2)

Step-by-step explanation:

5y^2-7y-6

5y^2+3y-10y-6

y(5y+3(-2(5y+3)

(5y+3) x (y-2)

5 0

3 years ago

Which is more of a percise measurement 5.7mm or 3.6 m

ss7ja [257]

5.7mm would be more precise. It's more exact. <span />

5 0

3 years ago

Explain how to graph 8 is greater than it equal to y

never [62]

Answer:

t w e n t y c h a r e c t e r s l o n g

5 0

3 years ago

Someone help me. ty ​

Someone help me. ty