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zheka24 [161]
3 years ago
15

Is 5x3 + 2xy4 + 6xy a polynomial?

Mathematics
1 answer:
Mashcka [7]3 years ago
6 0

Answer:

Final result :

 x • (5x2 + 2y4 + 6y)

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If there are 250 boy scouts from a region going on a camping trip and each tent can hold 8 scouts, how many tents are needed?
Sonbull [250]

Answer: 32 tents

Step-by-step explanation: 250÷ 8= 31.25 so you have to round that tent up because you can't just have a quarter of a tent. So 5 makes the 2 go up and it becomes 32

3 0
2 years ago
A medical researcher is working on a new treatment for a certain type of cancer. The average survival time after diagnosis for t
Nitella [24]

Answer:

The suitable results are:

Option A: The alternative hypothesis could really be true but because the sample size is small, the power is very low so the researchers are likely to run an experiment whose results lead them to make a type II error.

Option D: Inasmuch there is no statistical evidence to accept the null hypothesis. The null hypothesis could be true and there is no difference between the new and standard treatments survival rate.

Explanation:

Below are the options  suitable for results:

Option A: The alternative hypothesis could really be true but because the sample size is small, the power is very low so the researchers are likely to run an experiment whose results lead them to make a type II error - Reason been that, as the sample size increase, so also does the power of the test increase. Therefore, because the power is too small, the researchers are likely to commit type 2 error.

Option D: Inasmuch there is no statistical evidence to accept the null hypothesis. The null hypothesis could be true and there is no difference between the new and standard treatments survival rate.

4 0
4 years ago
What is the base 8 representation of the number 11100111
katovenus [111]

If the given number is in base 2, that means

11100111₂ = 2⁷ + 2⁶ + 2⁵ + 2² + 2 + 1

8 = 2³, and so we have

11100111₂ = 2 • (2³)² + (2³)² + 2² • 2³ + 2² + 2 + 1

11100111₂ = 3 • 8² + 4 • 8 + 7

11100111₂ = 347₈

Because 8 is the 3rd power of 2, we can also split up the given number into block of length up-to 3, then convert each block directly into base 8:

11 100 111

11₂ = 2 + 1 = 3

100₂ = 2² = 4

111₂ = 2² + 2 + 1 = 7

so again we get 347₈.

6 0
3 years ago
What type of answer will 2.25 + .75 have? Explain.
julia-pushkina [17]

Answer:

the answer will have a decimal but there is no such thing as type of answer.

there are many ways to answer this

5 0
3 years ago
Read 2 more answers
How many dollars will it cost to buy 24 nails
Sergio [31]
The answer is B. 2m/5

60 nails cost m dollars
60nails = m dollars
so 1 nail = m / 60
so for 24 (m/60) * 24 = 2m/5
5 0
3 years ago
Read 2 more answers
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