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miskamm [114]
3 years ago
7

A tutor invited 2 students to a study group. Those 2 students each invited

Mathematics
1 answer:
kaheart [24]3 years ago
8 0
Hello, CptnSkippy! The answer to your question is 14 students were invited in total! To get the answer, you can do 2 x 2=4 and 4 x 2 which is 8. now you can draw a picture to this too. good luck and hope you get a good grade for your homework
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The table lists how poverty level income cutoffs​ (in dollars) for a family of four have changed over time. Use the midpoint for
frez [133]

The poverty level cutoff in 1987 to the nearest dollar  was $10787.

<h3>How to find a midpoint?</h3>

The midpoint as the point that divides the line segment exactly in half having two equal segments. Therefore, the midpoint presents the same distance between the endpoints for the line segment. The midpoint formula is: \mathrm{Midpoint\:of\:}\left(x_1,\:y_1\right),\:\left(x_2,\:y_2\right):\quad \left(\frac{x_2+x_1}{2},\:\:\frac{y_2+y_1}{2}\right).

For solving this exercise, first you need plot the points in a chart. See the image.

Your question asks to approximate the poverty level cutoff in 1987 to the nearest dollar using the midpoint formula. Note that the year 1987 is between 1980 and 1990, thus you should apply the midpoint formula from data for this year (1987).

\mathrm{Midpoint\:of\:}\left(1980,8429),\:\left(1990,13145):\quad \left(\frac{1990+1980}{2},\:\:\frac{13145+8429}{2}\right)\\\\ \\

\mathrm{Midpoint\:of\:}\left(1980,8429)\:=\left(\frac{1990+1987}{2},\:\frac{13145+3843}{2}\right)\\ \\ =\left(\frac{3977}{2},\:\frac{21574}{2}\right)

\mathrm{Midpoint\:of\:}\left(1980,8429)\:=\=(\frac{3977}{2},10787)

The answer for your question will be the value that you calculated for the y-coordinate. Then, the poverty level cutoff in 1987 to the nearest dollar  was $10787.

Read more about the midpoint segment here:

brainly.com/question/11408596

7 0
2 years ago
Please solve this don’t say you can’t see it if you see it answer please only if you know the answer
Mars2501 [29]

Answer:

5) 3 units

6) 9 units

7) 15.5

8) 67

8 0
3 years ago
The potential energy, P, in a spring is represented using the formula P = P equals StartFraction one-half EndFraction k x square
Anastaziya [24]

Answer:

k=\frac{2P}{x^{2}}

Step-by-step explanation:

<u><em>The question is</em></u>

Which equation should she use?

we have the formula

P=\frac{1}{2}kx^{2}

Solve for k

That means ----> isolate the variable k

Multiply by 2 both sides

2P=kx^{2}

Divide by x^2 both sides

\frac{2P}{x^{2}}=k

Rewrite

k=\frac{2P}{x^{2}}

6 0
3 years ago
there is a 20% discount with a set of tires in normally sells for $368. How much will be tires cost after the discount?
ICE Princess25 [194]
Same as before, if we take 368 to be the 100%, how much is 20% off that?

\bf \begin{array}{ccll}&#10;amount&\%\\&#10;\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\&#10;368&100\\&#10;d&20&#10;\end{array}\implies \cfrac{368}{d}=\cfrac{100}{20}\implies \cfrac{368\cdot 20}{100}=d

so, the discount is that much, thus, the discounted price is then 368 - d.
8 0
3 years ago
PLEASE HELP ME AS SOON AS POSSIBLE!
mestny [16]

Answer:

2(c - 8) = 3

Hope this helps, thank you :) !!

4 0
2 years ago
Read 2 more answers
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