3 years ago

How is using a double number line similar to finding equivalent ratios?

1 answer:

4 0

One way that double number lines are similar to finding equivalent ratios is that to find your answer on a double number line, you add equivalent ratios to your number line.

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Find the solution to the equation 4r + 2(r - 8) = 4(3 + r).

o-na [289]

Answer:

r = 14

Step-by-step explanation:

Use distributive property:

4r + 2r - 16 = 12 + 4r

Combine like terms:

6r - 16 = 12 + 4r

Isolate the variable:

6r = 28 + 4r

2r = 28

r = 14

3 0

2 years ago

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Twice a number minus 5 is 7

klio [65]

2n-5=7

Twice a number, n, is shown by multiply two and n. Then, you subtract this amount by five.

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2 years ago

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What the constant rate of change?

lozanna [386]

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3 years ago

IF XPOWER 3 =27,THEN X POWER 2=

kvv77 [185]

X²= 9

X POWER 3= 27

X³= 27

The number that can be multiplied three times to get 27 is 3

Therefore X POWER 2 (X²) can be calculated as follows

= 3²

= 3 × 3

= 9

Hence XPOWER 2 is 9