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larisa [96]
3 years ago
11

Enter an expression that represents the following statement, and then solve the expression.

Mathematics
1 answer:
Vesna [10]3 years ago
6 0

Step-by-step explanation:

7 - (- 63)

So it cannot be subtracted because two negative signs become positive so the answer is

7 + 63

= 70

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Need help???!!!!!!!!!!!!!!!
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Answer:

E

Step-by-step explanation:

because it makes sense

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3 years ago
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Which method of separation can be used for a homogeneous mixture ?
worty [1.4K]
One method of separation of homegeneous mixtures is called distillation and its based on the various boiling points of the component of mixture.
In other words the answer is letter D


8 0
2 years ago
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What is 25m+100-24m-75=68<br> Please explain
Mars2501 [29]

Let's solve your equation step-by-step.

25m+100−24m−75=68

Step 1: Simplify both sides of the equation.

25m+100−24m−75=68

25m+100+−24m+−75=68

(25m+−24m)+(100+−75)=68(Combine Like Terms)

m+25=68

m+25=68

Step 2: Subtract 25 from both sides.

m+25−25=68−25

m=43

Answer:

m=43

8 0
3 years ago
Prove the following statement.
gayaneshka [121]

Answer:

You can prove this statement as follows:

Step-by-step explanation:

An odd integer is a number of the form 2k+1 where k\in \mathbb{Z}. Consider the following cases.

Case 1. If k is even we have: (2k+1)^{2}=(2(2s)+1)^{2}=(4s+1)^{2}=16s^2+8s+1=8(2s^2+s)+1.

If we denote by m=2s^2+2 we have that (2k+1)^{2}=8m+1.

Case 2. if k is odd we have: (2k+1)^{2}=(2(2s+1)+1)^{2}=(4s+3)^{2}=16s^2+24s+9=16s^{2}+24s+8+1=8(2s^{2}+3s+1)+1.

If we denote by m=2s^{2}+24s+1 we have that (2k+1)^{2}=8m+1

This result says that the remainder when we divide the square of any odd integer by 8 is 1.

6 0
3 years ago
Someone please help me ?
iren2701 [21]
What is the full question. I would be able to help if I saw it all. 
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3 years ago
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