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Aleonysh [2.5K]
3 years ago
8

How do you find a value of x so that f(x) = 7?

Mathematics
1 answer:
DiKsa [7]3 years ago
5 0

Answer:

When f(x) = 7, x is equal to 5.

Step-by-step explanation:

When looking at this graph, we are looking for where the line hits a point where y is equal to 7. That's because f(x) is essentially the same thing as y.

The point in which the graph hits y = 7 is (5, 7). This means the x value we need is 5.

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kati45 [8]

Answer:

3

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Step-by-step explanation:

6 0
3 years ago
One safe investment pays 10% per year, and a more risky investment pays 13% per year.
Maru [420]

Answer:

0.10x + 0.13y = 10780

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x = 74000 --------------10%

y = 26000 --------------13% (more risky)

8 0
1 year ago
A group of adults plus one child attend a movie at a movie theater. Tickets cost $9 for adults and $4 for children. The total co
egoroff_w [7]

Answer:

There is <u>8</u> adults and <u>1 </u>child

Step-by-step explanation:

<u>$78 - $6 = $72</u>

<u>$72 divided by 9 = 8</u>

you would add nine <u>8</u> times and add 6 to it then it would be $78
Hope this helps you! :)

6 0
3 years ago
The radius of a circle is 12 miles. What is the angle measure of an arc bounding a sector with area 10​ square miles?
hram777 [196]

\bf \textit{area of a sector of a circle}\\\\ A=\cfrac{\theta \pi r^2}{360}~~ \begin{cases} r=radius\\ \theta =angle~in\\ \qquad degrees\\[-0.5em] \hrulefill\\ A=10\\ r=12 \end{cases}\implies 10=\cfrac{\theta \pi 12^2}{360}\implies 10=\cfrac{2\pi \theta }{5} \\\\\\ 20=2\pi \theta \implies \cfrac{20}{2\pi }=\theta \implies \cfrac{10}{\pi }=\theta \implies 3.18\approx \theta

6 0
3 years ago
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Scrat [10]
What’s up!
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