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suter [353]
3 years ago
11

At a yard sale, Celia bought an electric for 85% of its original value. Celia pad $75.65 for the guitar. What was the original v

alue of the guitar?
Mathematics
1 answer:
juin [17]3 years ago
3 0

75.65 \div .85
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aleksandrvk [35]

Answer:

-3

Step-by-step explanation:

(fg)(-1) is just f(-1) * g(-1). From the graph on the left, we can see that f(-1) is 1, since (-1,1) is on the graph. From the graph on the tight, we can see that g(-1) is -3, since (-1,-3) is on the graph. Now, we just have to multiply 1 and -3: 1*-3 = -3

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1 year ago
A cylinder has a diameter of 10 centimeters and a height of 15 centimeters. What is the surface area of the cylinder to the near
adelina 88 [10]

The surface area of the cylinder to the nearest tenth is:  628.3

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7 0
3 years ago
♦HURRY PLEASE!!! ♦<br><br> ↓<br> Don't worry about the answer choice that is highlighted : )
givi [52]

Answer:

B: {(3,1), (7,9)}

Step-by-step explanation:

For equation 2x-y=5, we can isolate y, so it's easier to solve later:

y = 2x - 5

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Now, notice that both equations are equal to y, so we can set them equal to each other:

(x-4)^2 = 2x-5

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Now, we can factorize by finding 2 numbers that multiply to 21 and add up to -10:

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Since B is the only one with the x values of 3 and 7, the answer must be B.

But to further check our answer, we can plug x back to any of the equations above to check for y:

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Therefore, we can confirm that the answer is B.

7 0
2 years ago
Read 2 more answers
Slope intercept of 5x+2y= -2
Marianna [84]

Answer:

Step-by-step explanation:

5x + 2y = - 2

2y = - 5x - 2

y = -\frac{5}{2} x - 1

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3 years ago
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fredd [130]

Answer:

C - On the number line, move 3 units to the left. End at -7. The dolphin was 7 feet below sea level.

Step-by-step explanation:

The dolphin's starting point was -4 (4 feet below sea level). If the dolphin if diving down by 3 feet, you add -3 to its starting point.

-4 + -3 = -7.

4 0
2 years ago
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