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sertanlavr [38]
3 years ago
7

PLZ HELP HURRY!!!! Subtract.

Mathematics
2 answers:
melisa1 [442]3 years ago
7 0
12 - (-17) = 5

It's C. <span>5</span>
myrzilka [38]3 years ago
6 0
-12 - (-17)

Multiply -1 into the parenthesis:

-12 + 17

Add:

5
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Anyone help? I'm trying to answer this question but I'm confused.
xeze [42]
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3 0
3 years ago
Luke’s that seven pieces of wood on top of one another if each piece was 4/8 of a foot tall how tall was his pile
Ludmilka [50]

Answer:

6 1/2 feet or 78 inches tall

Step-by-step explanation:

You have to multiply 4/8 by 7/1

First you multiply the nominators: 4 × 7 = 28

Then you multiply the denominators: 8 × 1 = 8

So the fraction would be 28/8 and it simplifies to 7/2

You can turn it into an improper fraction by seeing how many times 2 will go into seven evenly, which would be 6 times with 1 half left over

Therefore it would be 6 1/2 feet or 78 inches tall

8 0
3 years ago
A particular train is 25 feet tall. A model of the train was built with a scale of 4 inches which is equal to 5 feet. How tall i
sergeinik [125]
The answer is 20in. You multiply 4 by 5 because 5x5 is 25 so the answer is 20
3 0
3 years ago
5y - 3z + 4y -1z - 3y; y = 3 and z = -2
Dafna11 [192]
5(3)-3(-2)
15-(-6)=
15+6=21
a negative plus a negative is a positive so its 21
4(3)-3(-2)
12-(-6)
12+6=18
21+18=39
8 0
3 years ago
What is the scale factor from ADEF to AABC?<br> 10<br> 6<br> 20<br> 12<br> А<br> 7<br> 14
tigry1 [53]

Answer:

The scale factor is 1/2

Step-by-step explanation:

Given

\triangle DE F and \triangle ABC

Required

The scale factor from \triangle DE F to \triangle ABC

Take a corresponding side in both triangles.

We have:

DE= 20     AB = 10

The scale factor from \triangle DE F to \triangle ABC is:

k =\frac{AB}{DE}

k =\frac{10}{20}

k =\frac{1}{2}

8 0
3 years ago
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