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OLEGan [10]
3 years ago
14

Find y if x=2 : a. y=7-(x) b. y= x to the power of 2 minus 1. c. y= x+14 cubed​

Mathematics
1 answer:
steposvetlana [31]3 years ago
5 0

Answer:

Step-by-step explanation:

A

y = 7 - x

y = 7 - 2

y = 5

B

y = x^2 - 1

y = (2)^2 - 1

y = 2*2 - 1

y = 4 - 1

y = 3

C

y = x + 14

I'm going to assume that you mean (x + 14)^3

y = (x + 14)^3

y = (2 + 14)^3

y = 16^3

y = 4096

If you really do mean what it says, then

y = 2 + 14^3

y = 2744 + 2

y = 2746

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Can someone please help me with math.
Oxana [17]

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A

Step-by-step explanation:

Hello There!

First thing we notice is that the y intercept is at (3,0) meaning that they have some sort of fee that has a charge of 3 dollars (represented by the 3)

Because the fee is 3 dollars we can immediately eliminate answers B and C

Now we want to find the charge for each bag of Potpourri (this can be represented by the slope)

Once again we want to choose two points on the line and plug it in into the slope formula

the points are optional but i have chosen the points (1,4.5) and (2,6)

*plug it into the slope formula*

slope=\frac{6-4.5}{2-1} \\6-4.5=1.5\\2-1=1\\slope =\frac{1.5}{1} or1.5

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7 0
3 years ago
A credit card bill for $559 was due on September 14. Purchases of $289 were made on September 19, and $15 was charged on Septemb
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Answer: $623

Step-by-step explanation:

calculation of Finance charge due on October 14

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(+) finance charge on sep 28, $ 18 *(19.5*17 ) / (100 * 365) = $ 0.17

(-) Repayment on 25 sep , $ 250 * (19.5*20 ) / (100 * 365) = (2.745)

Total finance charges from 14 sep to 14 oct = $ 9.7= appr. 10

Amount due on 14 October = $559+$289+$15+$11.855- $250

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4 years ago
A store sells 6 T-shirts for $59.34. What is the unit cost per T-shirt?
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Answer:

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Step-by-step explanation:

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