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3 years ago

Find the absolute mean deviation for this set (-32,9,11,12). A)0 B)8 C)16 D)32

Mathematics

2 answers:

Artyom0805 [142]3 years ago

4 0

Answer:

The answer is c)16

Step-by-step explanation:

Alex Ar [27]3 years ago

3 0

I think 0 because 9+11+12=32
32+-32 or 32-32= 0

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A researcher claims that a post-lunch nap decreases the amount of time it takes to run 20 meters. Ten subjects are randomly sele

MakcuM [25]

Answer:

4. A post-lunch nap decreases the amount of time it takes males to sprint 20 meters.

Step-by-step explanation:

This question wants us to state the claim and the hypothesis.

This researchers claim can be found in the first sentence of this question.

Claim: post lunch nap decreases the time it takes to run for 20 meters.

The correct answer option for the claim is the 4th answer option. And it means that sleeping after lunch reduces the time it takes males to run in a 20m race.

B. Hypothesis

H0: Ud <= 0

H1: Ud > 0

d = is the race time without a nap - race time with a nap

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3 years ago

You intended to ride all of the rides exactly one time each at the waterpark. Which would be least expensive: pay separately or

djverab [1.8K]

I believe the answer is but a all day pass

6 0

3 years ago

Read 2 more answers

4 3/4 divided by 1 1/6

ozzi

Answer:

$2\frac{13}{22}$

Step-by-step explanation:

$=\frac{19}{4}\div \frac{11}{6}$

$\mathrm{Apply\:the\:fraction\:rule}:\quad \frac{a}{b}\div \frac{c}{d}=\frac{a}{b}\times \frac{d}{c}$

$=\frac{19}{4}\times \frac{6}{11}$

$=\frac{19}{2}\times \frac{3}{11}$

$\mathrm{Multiply\:fractions}:\quad \frac{a}{b}\times \frac{c}{d}=\frac{a\:\times \:c}{b\:\times \:d}$

$=\frac{19\times \:3}{2\times \:11}$

$\mathrm{Multiply\:the\:numbers:}\:19\times \:3=57$

$=\frac{57}{2\times \:11}$

$\mathrm{Multiply\:the\:numbers:}\:2\times \:11=22$

$=\frac{57}{22}$

$=2\frac{13}{22}$

5 0

3 years ago

A leather jacket is listed at $230 the discount rate is 25% off the list price what is the sales price of the jacket?

mariarad [96]

Answer:

Discount selling price= $172.5

Step-by-step explanation:

Giving the following information:

Selling price= $230

Discount rate= 25%

<u>To calculate the discount selling price, we need to use the following formula:</u>

Discount selling price= selling price*(1 - discount rate)

Discount selling price= 230* (1-0.25)

Discount selling price= $172.5

5 0

3 years ago

Can someone help me understand this.

3241004551 [841]

Answer:

easy-peasy

Step-by-step explanation:

Perimeter:

P=2(a+b)

P=2(50+70)

P=2(120

P=240

Area:

A=50*70

A=3,500

I really hope it helped:)

8 0

3 years ago

Read 2 more answers