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3 years ago

Explain how estimation helps you to place the decimal point when multiplying 3.9 times 5.3

1 answer:

8 0

I see it like this: we mupliply almost 4 by a little more then 5, so the result will be around 20 (4*5=20) : so the decimal point must be after the 20 (and it is, the result is 20.67

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Is 67 a prime number?

alexdok [17]

Answer:

yes 67 is a prime number because has only 2 divisors

Step-by-step explanation:

7 0

3 years ago

A Type I error is committed when a. you don't reject a null hypothesis that is true. b. you don't reject a null hypothesis that

e-lub [12.9K]

Answer:

c. you reject a null hypothesis that is true

Step-by-step explanation:

We need to remember the following concepts

Error type I: Is an error associated to the probability of reject a null hypothesis when it is actually true

Error type II: Is an error associated of not rejecting a null hypothesis when the alternative hypothesis is the true

And the best answer for this case would be:

c. you reject a null hypothesis that is true

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2 years ago

What is the value of x?<br> a) 18°<br> b) 36°<br> c) 43°<br> d) 86°

dmitriy555 [2]

Answer:

I think is 18

Step-by-step explanation:

because is the same of the L

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2 years ago

Hich correctly describes how the graph of the inequality 4x − 2y > 20 is shaded?

joja [24]

Answer:

First we need to express y in this inequality:

-2y > -4x + 20

-y > -2x + 10

y < 2x - 10

The line isn't solid because the "less" sign doesn't include equal in it.

Because the sign is "less than" the shaded part is Below the line.

Merging these 2 conclusion we get the answer:

below the dashed line.

Step-by-step explanation:

6 0

2 years ago

List out the elements of the set “The letters of the word Mississippi”

navik [9.2K]

Answer:

{M, i, s, p}

Step-by-step explanation:

The elements of the set are the letters in Mississippi. But remember, elements cannot repeat themselves! So the elements of this set would be {M, i, s, p} since all the other letters are just repetitions.

Hope this helps!!

4 0

3 years ago

Read 2 more answers