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Darina [25.2K]
3 years ago
6

If r = 12, find r^2.

Mathematics
2 answers:
TEA [102]3 years ago
7 0

Answer:

r² =144

Step-by-step explanation:

If r = 12, find r²

substitute r for it's value and calculate the square

r² = 12² = 12* 12 = 144

cestrela7 [59]3 years ago
5 0

Answer:

144

Step-by-step explanation:

r=12.

12^2 = 144

because...

12 x 12 = 144

 

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Whats 12 over 5 to a mixed number
Sonja [21]

Answer:2 2/5

Step-by-step explanation:

Five can into 12 two times with 2 left over

6 0
3 years ago
Jasmine has 5 1/4 cups of frosting. She wants to put 3/8 cup of frosting on each cupcake she makes. About how many cupcakes can
Harlamova29_29 [7]
Oen cupcake  = 3/8 cups

Number of cupcakes:

5 1/4 ÷ 3/8
= 21/4 ÷ 3/8
= 21/4 x 8/3
= 14

She can make 14 cupcakes.
4 0
3 years ago
Is it true that 5 2/3 -3 3/4 equals 1+2/3+3/4?
maxonik [38]

Answer:

I think so

Step-by-step explanation:

6 0
3 years ago
5.
Anna35 [415]

Answer:

x = -1  and  x = -9

Step-by-step explanation:

Once again, we have a problem with the |x| in it, so like last time, every number that is the outcome within those brackets, is positive.

Let us check:

A. x = 21 over 4 and x = -11 over 4

This one is a very simple to say no to, as we are talking about decimals (if you convert into decimals at this point), as in -16 there are no decimals.

False.

B. x = -1 and x = 9

-1 is correct. But 9 is not. Why? Here:

9 + 5 is 14

14 the multiplied by -4 does not equal -16

False.

C. x = -1 and x = -9

Like what I said before, -1 is  correct, now in this answer, -9 is also correct.

Unlike the last one, this one is -9 + 5 which is -4, then since it is inside the positive brackets, the number 4 becomes positive.

4 * -4 = -16

True.

The last one is incorrect. You know why

;)

8 0
3 years ago
Awarding brainliest!!!
Alex Ar [27]

Answer:

m=3

Step-by-step explanation:

6m+5-3m=7(m-1)

Combine like terms

3m+5=7(m-1)

Distribute the 7

3m+5=7m-7

Subtract 3m from each side

4m-7=5

Add 7 to each side

4m=12

Divide by 4

m=3

8 0
3 years ago
Read 2 more answers
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