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2 years ago

0, 4, -2, 2/3, -1.8, 16, 3.2, -5/4 Which numbers are rational numbers that are not integers?

Mathematics

1 answer:

olga nikolaevna [1]2 years ago

5 0

Answer:

rational but not integers: 2/3, -1.8, 3.2, -5/4

Step-by-step explanation:

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Plz help it was due last week :((((

vesna_86 [32]

Formula= (y2-y1)/ (x2-x1)

(-5 - -1) / (-2 - -4)
(-4) / (2) = -2
q8 is C

(-3 - -3) / (8 - 4)
(0) / (4) = 0
q12 is D

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2 years ago

9. Which of the following relations is a function?

elena-14-01-66 [18.8K]

The answer is D because the first number doesn’t reapeat

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2 years ago

What ratio is equivalent to 5 to 4

r-ruslan [8.4K]

8:10 16:20 and well yea

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2 years ago

Which of the following equations describes the line shown below? check all that apply

Ierofanga [76]

The equation of the line can be written as:

y - 3 = 2( x + 2)
and
y - 9 = 2(x - 1)

So the answers are E and F

Hope this helps :)

6 0

2 years ago

The number of days that homes stay on the market before they sell in Houston is bell-shaped with a mean equal to 56 days. Furthe

antoniya [11.8K]

Answer:

D. 8

Step-by-step explanation:

We have been given that the number of days that homes stay on the market before they sell in Houston is bell-shaped with a mean equal to 56 days. Further, 95 percent of all homes are on the market between 40 and 72 days.

As per empirical rule 95% of the data on bell curve lies between 2 standard deviations of mean.

So we can set an equation as:

$72-56=2\sigma$ or

$40-56=-2\sigma$

$16=2\sigma$

$\frac{16}{2}=\frac{2\sigma}{2}$

$8=\sigma$

$40-56=-2\sigma$

$-16=-2\sigma$

$\frac{-16}{-2}=\frac{-2\sigma}{-2}$

$8=\sigma$

Therefore, the standard deviation for our given data is 8 and option D is the correct choice.

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2 years ago