3 years ago

Which ratios form a proportion?

Mathematics

1 answer:

Firlakuza [10]3 years ago

7 0

D) 3/5 and 9/25
i hope i helped you :))

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azamat

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Please help out with this QUestion thank chu very much

galina1969 [7]

Answer:

The graph in the attached figure

The point (-1,4) represent a solution

Step-by-step explanation:

we have

$x> -2$ ----> inequality A

$y\leq 2x+7$ ----> inequality B

using a graphing tool

The solution is the shaded area

see the attached figure

Remember that

If a ordered pair is a solution of the system of inequalities, then the ordered pair must lie on the shaded area of the solution of the system of inequalities

The point (-1,4) represent a solution

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Combine like terms to create an equivalent expression.

lubasha [3.4K]

2/5m-1/5
Multiply the two into the parenthesis and then add the -4/5 and the 3/5.

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3 years ago

A walkway forms one diagonal of a square playground. The walkway is 22 m long. How long is a side of the playground?

nadya68 [22]

You can think of a square as two isosceles right angle triangles and use Pythagoras.

x^2 + x^2 = 22^2
x^2 + x^2 = 484
2x^2 = 484
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x = 11√2

One side of the playground is 11√2 m long.

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4 years ago