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Lorico [155]
3 years ago
5

When adding √9 and -7, which type of number is the sum?

Mathematics
2 answers:
dezoksy [38]3 years ago
8 0

We are given numbers √9 and -7.

Square root 9 is a perfect square.

Square root 9 = 3.

So, if we add square root 9 and -7, we would get

√9 + -7 = 3 -7 = -4.

So, we got a negative whole number.

<em>A negative or positive whole number is called an integer</em>.

So, it's an integer.

<h3>Therefore, correct option is D. Integer.</h3>
saul85 [17]3 years ago
7 0

Answer: D.

Step-by-step explanation: I took the test

Hope this helps :3

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creativ13 [48]

Answer:

Option B - False

Step-by-step explanation:

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For example, let's assume that the Z-value for a particular experiment is 1.67, which will be greater than the critical value at 5% which will be 1.64. Thus, if we want to check for a different significance level of 1%, we will need to calculate a new critical value.

Whereas, if we calculate the p-value for say 1.67, it will give a value of about 0.047. This p-value can be used to reject the hypothesis at 5% significance level since 0.047 < 0.05. But with a significance level of 1%, the hypothesis can be accepted since 0.047 > 0.01.

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8 0
3 years ago
Plssss help me, I’m so confusedddd! This will decide if I can go to my dream school!
Leona [35]

Answer:

the answer is -16, hope this helps, and hope you get into your dream school!

Step-by-step explanation:

none needed

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