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lana [24]
3 years ago
8

PLZ HELP :)

Mathematics
1 answer:
Nana76 [90]3 years ago
7 0
The answer is A I think
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2 1/4 inches

Step-by-step explanation:

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A 14.5 gallon gasoline tank is 3/4 full. How many gallons will it take to fill the tank?
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Given f(x) = 2x2 - 3, what is the value of f(x + 3)?
creativ13 [48]

Answer:

Answer A is correct.

Step-by-step explanation:

Please note the difference beteen f(x+3) and f(3).

So f(x + 3) means, where you see x in the equation, you substitute x+3. (This is a recursive entry).

f(x)= 2x² - 3

f(x)= -3 + 2x²

f(x)= -3 + 2* (x+3)²

f(x)= -3 + 2* (x+3) * (x+3)

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f(x)= -3 + 2* (x² + 6x + 9)

f(x)= -3 + 2x² + 12x + 18

f(x)= 2x² + 12x + 18 -3

f(x)= 2x² + 12x + 15

So answer A is the correct answer

8 0
3 years ago
A man makes a profit of 15%6y selling an article for Rs 2500. For what price should he sellituto make a profit of 38%​
dusya [7]

Find the price before the 15% profit:

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2173.91 x 1.38 = 2999.99

Answer: 2.999.99 ( may need to round to 3,000)

5 0
3 years ago
What process do you use to find the percent change of quantity
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4 0
3 years ago
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