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3 years ago

I need to know how to do this please help me out fam

Mathematics

1 answer:

melamori03 [73]3 years ago

6 0

The picture is blurry.

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You earn $102 for doing 12 hours of yard work. Your friend earns $120 working at a store for 15 hours.

krek1111 [17]

Answer:

You earn more per hour and you would get $127.50

Step-by-step explanation:

You can find how much money you get per hour by dividing! 102 divided by 12 is 8.5 and 120 divided by 15 is 8 so you get more!

3 0

2 years ago

Www-awn.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNsikas

mel-nik [20]

Answer:

Step-by-step explanation:

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2 years ago

For problems 11-14, identify the property shown. 11. 16×p=16.

zalisa [80]

Answer:

Step-by-step explanation:

11. identity property

12. associative property

13. commutative property

14. zero property

4 0

2 years ago

The director of the library calculates that 29% of the library's collection is checked out. If the director is right, what is th

marusya05 [52]

Answer:

The probability that the proportion of books checked out in a sample of 412 books would differ from the population proportion by less than 4% is P=0.9255.

Step-by-step explanation:

The population's proportion is $\pi=0.29$

If we take a sample of 412 books (n=412), we have a standard deviation of the sampling distribution of:

$\sigma_M=\sqrt{\frac{\pi(1-\pi)}{n}}=\sqrt{\frac{0.29*0.71}{412}}=\sqrt{0.0005} =0.0224$

We have to calculate the probabilty that the sample proportion will be between 0.25 and 0.33.

$z_1=(0.25-0.29)/0.0224=-0.04/0.0224=-1.7857\\\\z_2=1.7857\\\\\\P(0.25$

8 0

3 years ago

How to find displacement from velocity.

Ipatiy [6.2K]

Answer:

<em>The average velocity of the object is multiplied by the time traveled to find the displacement. The equation x = ½( v + u)t can be manipulated, as shown below, to find any one of the four values if the other three are known.</em>

5 0

2 years ago