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andrey2020 [161]
2 years ago
8

Explain how you could estimate 22% of 78 to check if your answer is reasonable.

Mathematics
2 answers:
STALIN [3.7K]2 years ago
7 0

78 rounds to 80. So decrease 22% to 1/5. Increase 78 to 80. = 17.16.

pickupchik [31]2 years ago
4 0

Answer:

78 rounds to 80. So decrease 22% to 1/5. Increase 78 to 80. = 17.16.

I hope this will help you..

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Sedbober [7]
You would take 3 x 4 which equals 12. And then you would take 12 x8 which would equal 96
7 0
4 years ago
A number cube for a game has a volume of 64 mm3.
S_A_V [24]

Answer:

B. 4mm

Step-by-step explanation:

A cube is a 3d square, so the length, width, and height are equal. To find the volume you have to times all three of those things. 4^3 or 4 * 4 * 4, is 64.

8 0
3 years ago
Help me with this please
ElenaW [278]

The greatest common factor is 2z^3.

In order to find the greatest common factor, always start with the coefficient of the lowest term. Let's see what the factors of 14 are.

Factors of 10: 1, 2, 5, 10

Now we look to see which are also factors of the next highest number.

Factors of 14: 1, 2, 7, 14

Only 1 and 2 are similar factors. Since 2 is also a factor of 70, 2 in the coefficient of our greatest common factor.

Next we look for the term with the least number of z's. 14z^3 is the least number of z's. This means we can take out z^3. Giving us the final answer of 2z^3.

5 0
3 years ago
Need help with homework
Anna007 [38]

So you add 600$+200$ then divide it by ten

Answe is:80$

4 0
2 years ago
Read 2 more answers
What is the value of y?
antoniya [11.8K]

Answer:

y=3

Step-by-step explanation:

The vertical sides of the rectangle must be equal

10 =2y+4

Subtract 4 from each side

10-4 =2y+4-4

6 = 2y

Divide each side by 2

6/2 =2y/2

3=y

7 0
3 years ago
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