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Basile [38]
3 years ago
13

What number needs to be added to 5 and 3 so that the ratio of the first number to the second

Mathematics
1 answer:
Mashcka [7]3 years ago
5 0

Answer:

3

Step-by-step explanation:

Choose a variable to represent the number to be added to 5 and 3.

\frac{5+x}{3+x}=\frac{4}{3}

"Cross-multiply."

3(5+x)=4(3+x)\\\\15+3x=12+4x\\\\15=12+x\\\\3=x

Check:  The ratio of 5+3 to 3 + 3 is 8:6, equal to the ratio 4:3.

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morpeh [17]
60 cm2

Explanation:
Find area of each face/shape

Triangle:
1/2 x 4 x 3 = 6
(6 • 2 cos there are 2 triangles) 6 x 2= 12

Area of square on the left:
4 x 4 = 16
Area of middle rectangle:
3 x 4= 12
Area of rectangle on the right:
4 x 5 = 20

Add them all up together:
12 + 16 + 12 + 20= 60

MARK ME BRAINLIEST TYSM! HAVE. ANICE DAY :DDD
7 0
3 years ago
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Valentin [98]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
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Murljashka [212]
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3 years ago
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tino4ka555 [31]

Answer:

5

Step-by-step explanation:

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