3 years ago

Rational numbers that are not integers are?

Mathematics

1 answer:

Vladimir [108]3 years ago

6 0

Any number that can be writen as a fraction example: 0.75, -15, 0, 9

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A survey was taken of students in math classes to find out how many hours per day students spend

Hoochie [10]

Answer:

1. Mean, because there are no outliers that affect the center

Step-by-step explanation:

Second period: 3,2,3,1,3, 4, 2, 4, 3, 1, 0, 2, 3, 1, 2

Sorted values : 0, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4

The mean = ΣX / n

n = sample size, n = 15

Mean = 34 / 15 = 2.666

The median = 1/2(n+1)th term.

1/2(16)th term = 8th term.

The 8th term = 2

The best measure of centre is the mean because the values for the second period has no outliers that might have affected the centre of the distribution.

Both interquartile range and standard deviation are measures of spread and not measures of centre.

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3 years ago

Jim drove 204 miles in 4 hours. If he can keep the same pace how long will it take him to drive 918 miles

SSSSS [86.1K]

18 hours.

Proportions and stuff.

$\frac{204}{4}$ = $\frac{918}{x}$

Cross multiply,

204x = 918 * 4

204x = 3672
/204 /204
x = 18

18 hours.

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3 years ago

The diagram show the approximate length and width of Nevada. Estimate the area of the state

tester [92]

Area of a triangle is 0.5(base x height)

Base = 320mi

Height= 270+210= 480mi

0.5(480 x 320) = 76,800 miles squared

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3 years ago

What is the value of x. Please explain how you came to your answer (my other question is worth less and has a scam answer on it

Liono4ka [1.6K]

Answer:

Step-by-step explanation:

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Answer:23

Step-by-step explanation:

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2 years ago

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