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kaheart [24]
2 years ago
10

I need help on this.​

Mathematics
1 answer:
Marina86 [1]2 years ago
8 0
Option 2 and 4




.......
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What is 8x-27-10-6x=15
Whitepunk [10]
<span>8x-27-10-6x=15
2x-37=15
2x=15+37
2x= 52
x=26</span>
3 0
3 years ago
Read 2 more answers
If f(x) = 6 - 5x, what is f(x)^-1? (check attachment)
SCORPION-xisa [38]

f(x) = 6-5x

y = 6-5x .... replace f(x) with y

x = 6-5y .... swap x and y; solve for y

x+5y = 6

5y = 6-x

y = (6-x)/5

f^{-1}(x) = \frac{6-x}{5} ... replace y with the inverse function notation

<h3>Answer: Choice D.</h3>
6 0
3 years ago
Brandon has a stack of books on his desk. The first book has 10 pages. The second book has twice as many pages. The third book h
Svetach [21]

Answer:

1280 pages

Step-by-step explanation:

You simply continue the pattern

40 × 2

80 × 2

160 × 2

320 × 2

640 × 2

= 1280

6 0
3 years ago
Which ordered pairs lie on the graph of the exponential function f(x)=−3^(x−1) +2 Select each correct answer.
katrin [286]
<h3>Answer:</h3>

(1, 1), (4, -25)

<h3>Step-by-step explanation:</h3>

You can evaluate the function to see.

f(-1) = -3^(-1-1)+2 = -3^(-2)+2 = -1/9 +2 ≠ 2

f(1) = -3^(1-1) +2 = -1 +2 = 1

f(0) = -3^(0-1) +2 = -1/3 +2 ≠ 0

f(4) = -3^(4 -1) +2 = -27 +2 = -25

_____

Or, you can graph the points and the curve.

8 0
3 years ago
William is planning a party. He spent $110.74 to buy 9.8 pounds of candy for favors. What was the cost per pound of the candy? (
AfilCa [17]

Answer: $11.30 per pound

Step-by-step explanation:

William spent $110.74 to buy 9.8 pounds of candy.

To find the cost per candy, divide the amount spent by the quantity of candy:

=Amount spent on candy / Quantity of candy

= 110.74 / 9.8

= $11.30 per pound

6 0
2 years ago
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