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Makovka662 [10]

3 years ago

11

I need help solving number 5!! Just work and then final answer needed, thank you!

1 answer:

Vadim26 [7]3 years ago

4 0

Replace x with 60 and evaluate.

25x - 0.2x^2
25(60)-0.2(60)^2
25(60)-0.2(3600)
1500-720
780

The final answer is 780

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algol [13]

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Latasha made 128 ounces of punch. How many cups did she make?

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Express (5a to the power 2) x (2b to the power 2) x (c) as a power of a product.

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50 a^2 b c^2

Step-by-step explanation:

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the length of a flag is 0.3 foot less than twice its width. if the perimeter is 14.4 feet longer than the width, find the dimens

forsale [732]

$x-\ length\\
y-\ width\\\\
x+0.3=2y\ \ \ \ \ | subtract\ 0.3\\x=2y-0.3\\
perimeter=2x+2y\\ 2x+2y-14.4=y\\\\
2*(2y-0.3)+2y-14.4=y\\
4y-0.6+2y-14.4=y\\
6y-15=y\ \ \ | add\ 15\\
6y=15+y\ \ | subtract\ y\\
5y=15\ \ \ | divide\ by\ 5\\
y=3\\
x=2y-0.3=2*3-0.3=6-0.3=5.7\\\\
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4 years ago

. The temperature on a summer afternoon is 84°F. Define a variable and write an expression to find the temperature after it chan

Pachacha [2.7K]

The answer is 84 + c; 84 + (-14) = 70; 70 degrees F

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3 years ago