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andreyandreev [35.5K]
3 years ago
9

-9.25 is rational or irational

Mathematics
2 answers:
myrzilka [38]3 years ago
6 0

Answer:

-9.25 is rational

Step-by-step explanation:

Agata [3.3K]3 years ago
4 0

Answer:

It is rational.

Step-by-step explanation:

A rational number is a number that can also be written as a fraction or ratio. -9. 25 is also equal to -9 1/4. Therefore, it is rational.

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What is the unit rate for the proportional relationship represented by the equation y=4/5x
slava [35]

Answer:

<em>the unit rate is 0.8x per unit y</em>

<em></em>

Step-by-step explanation:

the proportional relationship is y = \frac{4x}{5}

this means that the constant of proportionality k = \frac{4}{5} = 0.8

re-writing, we have

<em>y = 0.8x</em>

<em>therefore, the unit rate is 0.8x per unit y</em>

5 0
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John ran 1 of a mile in 8 minutes. If he continues running 2 at that speed, how long will it take him to run one mile? A) 4 minu
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Answer:

d 16 minutes

Step-by-step explanation:

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Solve the system of equations:<br> y = 2x + 1<br> y = x2 + 2x - 8
Elan Coil [88]

(3,7),(-3,-5)

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4 0
3 years ago
Charlie knows that 3 blocks are needed to make a tower that is 0.5 foot high.
iogann1982 [59]

Answer:

24 blocks will be needed to make the tower that is 4 feet high

Step-by-step explanation:

Let us use the ratio method to solve the question

∵ Charlie knows that 3 blocks are needed to make a tower that is

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∵ He needs to make a tower that is 4 feet high

→ By using the ratio method

→  Blocks  :  height (ft)

→   3          :   0.5

→   x          :   4

→ By using the cross multiplication

∵ x × 0.5 = 3 × 4

∴ 0.5x = 12

→ Divide both sides by 0.5 to find x

∵ \frac{0.5x}{0.5} = \frac{12}{0.5}

∴ x = 24

∵ x represents the number of blocks

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7 0
2 years ago
If x -9 is a factor of x^2 -5 -36, what is the other factor?
tatuchka [14]

Answer:

Factors are (x-9)(x+4)

Step-by-step explanation:

6 0
3 years ago
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