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IRINA_888 [86]
2 years ago
7

Write an equation for a direct variation that includes the point (3, 12).

Mathematics
1 answer:
yan [13]2 years ago
7 0
SbbahavakiNana. Hsiang Baha’i
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Solve <br> x2 + x - 56 = 0
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Eden opened a credit card at a department store with an APR of 19.07% compounded monthly. What is the APY on this credit card?
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APR = Annual Percentage Rate; APY = Annual Percentage Yield.
This is a tough question!!

To get the APY we use the compounding formula (A = P(1+r/n)^nt) and put $1 in for the principal and see what our final amount is at 19.07% after a year.

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6 0
4 years ago
9 pencils cost $7.74.<br> Which equation would help determine the cost of 6<br> pencils?
eduard
The answer is A. If 9 pencils cost $7.74, we have to divide the total cost ($7.74) by the number of pencils (9) to obtain the price of 1 pencil. Now that we have the price of 1 pencil, to obtain the cost of 6 of them we simply multiply the result by six.
6 0
3 years ago
The amount of time t it takes for a group of volunteers to clean up a park varies inversely with the number of volunteers v. If
sweet-ann [11.9K]
T ∝ 1/v 

<span>so, t = k/v or tv = k </span>

<span>Then, with t = 2.5 and v = 5 we have: </span>

<span>2.5 = k/5 </span>

<span>so, k = 12.5 </span>

<span>Therefore, t = 12.5/v or vt = 12.5  HOPE IT HELPED</span>
4 0
4 years ago
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