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Crazy boy [7]
3 years ago
12

Can you describe multiplying and dividing signed numbers in the real world?

Mathematics
1 answer:
Dmitrij [34]3 years ago
7 0
Dividing is used when you are buying things that are in big amount and finding out the prices for the individual things you bought. <span />
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BRAINLIEST TO WHOEVER CAN ANSWER!!!!!
tekilochka [14]

Answer:

February: +10

March: -5

April: +50

May: -25

June: -20

Step-by-step explanation:

Subtract each value in column 2 by 1000. A positive number means exceeding the monthly goal of 1000 pounds, a negative number means not achieving the goal.

6 0
3 years ago
The area of a square is 5 far more than the perimeter. Find the length of a side.
sweet [91]

The length of a side of square is 5.

Step-by-step explanation:

Given,

Area of square = a²

Perimeter of square = 4a

According to given statement;

Area of square = Perimeter + 5

a^2=4a+5\\a^2-4a-5=0

Factorizing the equation;

a^2-5a+a-5=0\\a(a-5)+1(a-5)=0\\(a-5)(a+1)=0

Either,

a-5=0         => a=5

Or,

a+1=0         => a= -1

As length of a side cannot be negative, therefore,

Length of a side of square = 5

The length of a side of square is 5.

Keywords: area, perimeter

Learn more about perimeter at:

  • brainly.com/question/11016712
  • brainly.com/question/11108818

#LearnwithBrainly

3 0
4 years ago
Evaluate 7C2. Explain how you got your answer.
Leviafan [203]
So, to evaluate a combination, there's a formula we use.

I don't remember the formula from the top of my head, lol, but this is how you solve them.

7 c 2

When doing combinations and permutations each number is always in a factorial. We always start with the number on the left.

7! That's the total amount. The number on the left divides into that.

7! / 2!

We're not done yet. Here's the tricky part. We also always divide the number on the left, in this case 7!, with the positive difference of both numbers given to us.

7 - 2 = 5

So, we have 7! / 5! / 2! = 21.

Hope that helped!

Let's work another one.
5 c 3

We have 5! / 3! ,but we need to also divide 5! by the positive difference of 5 and 3. We get 2.

So, 5! / 3! / 2! = 10.

If you have any questions then leave a comment. Good luck!
5 0
4 years ago
What is the area of the blue shaded region​???????
Anna [14]

Answer:

Step-by-step explanation:

22/7x7^2=154

22/7x3^2=28(approx)

154-28=126

5 0
3 years ago
Solve equation 3x=2x+5
dem82 [27]

Answer:

x=5

Step-by-step explanation:

So first you would subtract 2x from both sides to get:

1x = 5

Then you divide both sides by 1:

x = 5

4 0
4 years ago
Read 2 more answers
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