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yuradex [85]
3 years ago
12

What's an area model

Mathematics
1 answer:
vesna_86 [32]3 years ago
4 0
Area model is where the length and width are put together using either multiplication, percentage or fractions to find the size of an area.
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Serafina is solving a number puzzle that involves three integers. Integers, e, f, and g, where e is negative. The product of e a
Alex73 [517]

Answer:

a

Step-by-step explanation:

3 0
3 years ago
Don't go by my answers pls
Illusion [34]

Answer:

19)  ( \frac{-2}{5})^2 = \frac{4}{25}

20) -9^{2} = -81

21)  2^{4} = 16

Step-by-step explanation:

The only wrong ones are

19)  ( \frac{-2}{5})^2 = \frac{4}{25}

20) -9^{2} = -81 ... negative is not inside a parenthesis that's why it is still negative

21) you can add another way is 2^{4} = 16

Everything else looks good.  Great job!

4 0
2 years ago
Problem:
andreyandreev [35.5K]
5(n-4)=(4n-12)

First: Distribute 5 into n and -4.
5(n-4)=(5n)+(5*-4)= 5n-20.

Second: Subtract 4n from both sides to eliminate the variable from the right side of the equation.

(5n-20)=(4n-12)

n-20=-12

Next: Add 20 to both sides to eliminate the constant from the left side of the equation.

n-20=-12

n=8

The unknown number is 8.
3 0
3 years ago
Read 2 more answers
Chebyshev’s Theorem.. please help.
Alex

Answer:

I don't know nothing bout this what grade

5 0
3 years ago
Cos(A) = ?<br> 13/5<br> 12/5<br> 12/13<br> 5/13
ollegr [7]

Answer:

cosA = \frac{5}{13}

Step-by-step explanation:

cosA = \frac{adjacent}{hypotenuse} = \frac{AC}{AB} = \frac{5}{13}

6 0
3 years ago
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