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3 years ago

IS this a function or no

Mathematics

2 answers:

lesya [120]3 years ago

7 0

Yep it is a function

Mars2501 [29]3 years ago

6 0

I agree it is a function so (yes)

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What is the answer to 39=3m-15

Vladimir [108]

39=3m-15
39+15=3m
54=3m
54/3=3m/3
m=18

4 0

3 years ago

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I need help ASAP! PLEASE!

Ulleksa [173]

First you would need to solve x.
2x+x+14+x-38=180
4x-24=180
4x=204
x=51
Now plug in the x for all three angle measures.
2(51)=102 degrees
51+14=65 degrees
51-38=13 degrees
Final answer is 102 degrees, 65 degrees, 13 degrees

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3 years ago

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The heights of dogs, in inches, in a city are normally distributed with a population standard deviation of 3 inches and an unkno

Nitella [24]

Answer: 1.2703

Step-by-step explanation:

Given : Sample size : n= 17, which is a small sample (n<30), so we use t-test.

Significance level : $\alpha:1-0.90=0.1$

Then , Critical value : $t_{n-1,\alpha/2}=t_{16, 0.05}\pm1.745884$

Standard deviation: $s=3\text{ inches}$

The formula to find the margin of error : -

$E=t_{n-1,\alpha/2}\dfrac{s}{\sqrt{n}}\\\\\Rightarrow\ E=(1.745884)\dfrac{3}{\sqrt{17}}\\\\\Rightarrow\ E=01.27031720154\approx1.2703$

Hence, the error bound (EBM) of the confidence interval with a 90% confidence level.=1.2703

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3 years ago

Someone pls HELP RN IM IN A HURRY

Serga [27]

BC AB AC

Step-by-step explanation:

the longer the side is visually detected ok

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3 years ago

Which one is more healthier please help me

tino4ka555 [31]

Answer:

Apple

Step-by-step explanation:

An apple has more nutririon than a glizzy.

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