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agasfer [191]
2 years ago
13

Which table of values best represents the following verbal description?

Mathematics
1 answer:
pishuonlain [190]2 years ago
3 0

Answer: D or the one on the bottom right

Step-by-step explanation:

Because first we know 0^2 will still be 0 so we look for one that has -9 and so we can already eliminate A and B (the ones on the left)

Next, take 2^2 for example that is 4 then you minus 9 from that and get -5 so find the table with X = 2 Y = -5 and that would be D so that is your answer!

Hope this helps! LMK if you need more help/ have more questions!

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Brainliest is given to the correct answer!
OlgaM077 [116]

Answer:

a. p = 2\pi r + 8r

b. r = \frac{p}{2\pi + 8}

Step-by-step explanation:

a. Radius of semicircle (r) = r

Diameter of semicircle (d) = 2r

Length of rectangle (l) = 2*diameter of semicircle = 2*2r = 4r

Distance around the track (p) = circumference of circle + 2(l)

Note: the two semicircles of the track = 1 full circle

Circumference of full circle = πd = π*2r = 2πr

Distance around the track:

p = 2πr + 2(4r)

p = 2πr + 8r

b. Rewriting the formula to make radius, r, the subject of the formula in terms of distance around the track.

p = 2\pi r + 8r

Factor out r

p = r(2\pi + 8)

Divide both sides by (2π + 8)

\frac{p}{2\pi + 8} = \frac{r(2\pi + 8)}{2\pi + 8}

\frac{p}{2\pi + 8} = r

r = \frac{p}{2\pi + 8}

6 0
3 years ago
An IPod Nano has 2 gigabytes of storage and can hold about 500 songs. The iPod Plus has 80 gigabytes of storage. How many songs
jasenka [17]
80 * 250 =20,000

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Trava [24]

Answer:

y = 4x+48

Step-by-step explanation:

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kozerog [31]
Can you please explain this a bit better? i dont understand
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