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Nina [5.8K]
3 years ago
11

5x+15+4x = 6x -3 (x+9)

Mathematics
1 answer:
OLga [1]3 years ago
8 0

Answer:

x= -7

Brainliest pls

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A + (b-4) when a-24 and b-7
lara31 [8.8K]

Answer:

a=24

b=7

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24+3

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2 years ago
The ratio of the perimeters of two similar triangles is 4:7. What is the area of each of these triangles if the sum of their are
arsen [322]

Answer:

  16 cm^2 and 49 cm^2

Step-by-step explanation:

The ratio of areas is the square of the ratio of linear dimensions, so is ...

  (4/7)^2 = 16/49

The sum of these "ratio units" is 16 +49 = 65. The sum of triangle areas is 65 cm^2, so each "ratio unit" must stand for 1 cm^2 of area. That is, the triangles must have areas of ...

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  • 49 cm^2
3 0
3 years ago
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Arturiano [62]
Add the picture pls
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3 years ago
30% of a number is x. What is 100% of the number? Assume x&gt;0.<br> 100% of the number is
STatiana [176]

Answer:

10x/3

Step-by-step explanation:

30% is to x as 100% is to y

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30y = 100x

y = 100x/30

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