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RoseWind [281]
3 years ago
14

Please answer 2) multiple choice questions correctly I need it today please show work .

Mathematics
1 answer:
MrRissso [65]3 years ago
5 0

Answer:

Step-by-step explanation:

20. First find the values of the numbers being added.

(\frac{3}{4})^3 = \frac{27}{64}

(\frac{5}{8} )^2 = \frac{25}{64}

These numbers have a common denominator, so you can add the numerators

27 + 25 = 52

so the number comes out to \frac{52}{64}

to simplify, divide the numerator and denominator by 4.

So the final fraction becomes \frac{13}{16}

However the question doesn't have this answer and now I am confused. I assumed that the expression was r^{3}+s^{2} but the picture is a little bit blurry and I have bad eyesight so let me know if it is not. I'm too tired to delete this so next problem.

21.

4x + 8x + 7 + 4

Combine the like terms to get the expression

12x + 11 the answer is c.

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8 0
3 years ago
Read 2 more answers
I really need help on this. You don’t have to but if you can help it’s greatly appreciated and I will mark you brainliest!!
skelet666 [1.2K]

Answer:

below⬇⬇⬇⬇⬇⬇

Step-by-step explanation:

since the table mostly gives us the answer, i think its:

\frac{100}{x}=\frac{200}{22.4}

⬆⬆⬆⬆that's your answer <3333

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3 years ago
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Sam bought an $85.00 jacket for 40% off of the regular price. He also has to pay 5% for tax. How much did he pay for the jacket
Nadusha1986 [10]
55.25. You multiply 0.40 by 85 and you’ll get 34, subtract 85 by 34 and you’ll get 51. Then you multiply 0.05 by 85 and get 4.25. Add 4.25 by 51 and you’ll get 55.25.

5 0
3 years ago
A school is holding a talent show. A group of six friends entered the talent show and won the first place prize of $45, which th
Ghella [55]

Answer:

<em>In the second group the individual members received a larger fraction of the prize money</em>

Step-by-step explanation:

<u>Division by Sharing</u>

A certain amount M can be evenly split among n parties by performing a division M/n.

The first group of six friends earned $45 and they split it evenly, i.e. the same amount goes to each member. Each of them received $45/6= $7.50 apiece.

The second group of four friends won the second-place prize of $35 and they split it evenly also. Each member received $35/4=$8.75.

By comparing both numbers, we see that 8.75 is a bigger fraction of 35 that 7.50 is of 45. Each member from the second-place price will receive more money than the first group.

We can conclude in the second group the individual members received a larger fraction of the prize money

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4 years ago
For which situations is it appropriate to use a sample? Select three options.
maw [93]

Answer:

B C D

Step-by-step explanation:

We use samples when using an entire population is not feasible.

It is not reasonable to ask every pick-up truck driver what they want their next purchase to be; there are too many owners of pick-up trucks.  This means we should use a sample.

Many people drive a highway that connects two large cities.  It is not reasonable to survey every person that drives it, so we should use a sample.

On a busy road, we may have many pedestrians; this means we should use a sample instead of the entire population.

XOXO

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7 0
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