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2 years ago

Write a multiplication sentence for the array . #1 and #2

Mathematics

2 answers:

Natasha_Volkova [10]2 years ago

7 0

Answer is 2 so 2x1=2

attashe74 [19]2 years ago

7 0

#1.
3 rows of 5
so 3 x 5 = 15

#2
3 rows of 7
so 3 x 7 = 21

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3 years ago

Determine the area of each face of a cube 306.6

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3 years ago

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2 years ago

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Answer:

The value of r= $\frac{-106}{47}$

The value of x= $\frac{83}{32}$

Step-by-step explanation:

Given that,

A) $\frac{2r-2}{7r+10} = \frac{9}{8}$

Now,

$\frac{2r-2}{7r+10} = \frac{9}{8}$

8(2r-2)=9(7r+10)

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-16-90=63r-16r

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r= $\frac{-106}{47}$

B) $\frac{x+4}{9} = \frac{3(x-2)-1}{5}$

Now,

$\frac{x+4}{9} = \frac{3(x-2)-1}{5}$

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5x+25=9[3x-6-1]

5x+25=9[3x-7]

5x+25=27x-63

25+63=27x+5x

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3 years ago

Maria is 8 years older than her brother, and the sum of their ages is 72 years. How old is her brother?

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Answer:

Step-by-step explanation:

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