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3 years ago

PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!!

Mathematics

1 answer:

vivado [14]3 years ago

3 0

Answer: A. (0, 1) and D. (2, ∞)

Step-by-step explanation:

When looking at the line from left to right we see the y-values as follows:

y-values are increasing from -∞ to 0
y-values are decreasing from 0 to 1
y-values are increasing from 1 to 2
y-values are decreasing from 2 to ∞

So, the y-values are decreasing on the interval from 0 to 1 (0, 1) and the interval from 2 to infinity (2, ∞).

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Caroline earns $54 babysitting for 6 hours

Lady_Fox [76]

It would be $9 per hour all you have to do is divide 54 by 6 you get 9, unit rate is 1

I hope this helps

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2 years ago

Jerry borrow $35,00 for 3 years at 7 1/2% simple interest rate how much interest rate he have to pay

gregori [183]

Answer:

787.50

Step-by-step explanation:

interest=principle*rate*time/100

interest=3500*7.5*3/100

interest=35*7.5*3

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2 years ago

Determine the unit rate. Use mental math when you can. 6 golf balls for $15

Lena [83]

Answer:

1 golf ball : $2.50

Step-by-step explanation:

You can first divide 6 and 15 by 3, and get 2 and 5.
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Therefore, the unit rate is 1 golf ball : $2.50

4 0

2 years ago

Find the surface area of the triangular prism. 15.6 cm 10 cm 11 cm 12 cm

dimulka [17.4K]

Answer:

533.6cm²

Step-by-step explanation:

Hello!

I'm here to answer your question!

Area of each triangular base:

$\frac{1}{2}(12)(10)=60$

Area of the rectangular faces:

$12\times 11 =132$

$15.6\times 11=171.6$

$10\times 11=110$

Add to find the surface area:

$60+60+132+171.6+110=533.6$

Thus, the surface area of the triangular prism is = 533.6 yd²

Hope this helps you!

Hugs from,

Josh

6 0

3 years ago

Read 2 more answers

it is claimed that proportion in favor of proportion A is greater than 60%. A sample of size 100 found 69 in favor. what is the

GenaCL600 [577]

Answer:

The alternative hypothesis is $H_1: p > 0.6$ .

The critical value is $Z_c = 1.645$

Step-by-step explanation:

It is claimed that proportion in favor of proportion A is greater than 60%.

This means that at the null hypothesis, we test if the proportion is of at most 60%, that is:

$H_0: p \leq 0.6$

At the alternative hypothesis, we test if the proportion is more than 60%, that is:

$H_1: p > 0.6$

What is (are) the critical value?

The critical value is the value of Z with a p-value 1 subtracted by the standard significance level of 0.05, since we are testing if the mean is more than a value, so, looking at the z-table, $Z_c = 1.645$

7 0

2 years ago