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3 years ago

Find mCE A. 40 DEGREES B. 50 DEGREES C. 75 DEGREES D. 80 DEGREES

Mathematics

1 answer:

nordsb [41]3 years ago

3 0

B. 50 degrees hope this helps

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I think the answer to your question may be C.)

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3 years ago

What is the product of-3 and-13? Enter your answer as a mixed number, in simplified fom, in the box

koban [17]

Answer:

Step-by-step explanation:

-3x(-13) = 39.

If this question was asking for something different I apologize.

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3 years ago

An___ graph consists of distinct, isolated points

Bess [88]

Answer:

I believe the answer is a Discrete graph.

Step-by-step explanation:

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3 years ago

One sample has Aa Aa One sample has n 10 scores and a variance of s2 20, and a second sample has n 15 scores and a variance of s

siniylev [52]

Answer:

option (a) It will be closer to 30 than to 20

Step-by-step explanation:

Data provided in the question:

For sample 1:

n₁ = 10

variance, s₁² = 20

For sample 2:

n₂ = 15

variance, s₂² = 30

Now,

The pooled variance is calculated using the formula,

$S^{2}_{p} = \frac{(n_{1}-1)\times s^{2}_{1} +(n_{2}-1)\times s^{2}_{2}}{n_{1}+n_{2}-2}$

on substituting the given respective values, we get

$S^{2}_{p} = \frac{(10-1)\times 20 +(15-1)\times 30}{10+15-2}$

$S^{2}_{p}$ = 26.0869

Hence,

the pooled variance will be closer to 30 than to 20

Therefore,

The correct answer is option (a) It will be closer to 30 than to 20

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3 years ago

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makvit [3.9K]

Answer:

I d k

Step-by-step explanation:

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3 years ago

Read 2 more answers