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Virty [35]
2 years ago
13

A figure is going to be dilated by a scale factor of 3.5.

Mathematics
1 answer:
Mrac [35]2 years ago
8 0
Area will change by a factor of 3.5² = 12.25
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Two ratios that are equivalent to 2 : 9
NeTakaya

Answer:

4 : 18, 8 : 36

Step-by-step explanation:

We multiply to find equal ratios.

2 x 2 = 4

9 x 2 = 18

4 x 2 = 8

18 x 2 = 36

We get 4 : 18, 8 : 36.

7 0
2 years ago
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4). y = 2x - 6

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A certain cylindrical tank holds 20,000 gallons of water which can be drained from the bottom of the tank in 20 minutes the volu
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Given that the volume of water remaining in the tank after t minutes is given by the function

V(t)=20,000\left(1- \frac{t}{20} \right)^2

where V is in gallons, 0 ≤ t ≤ 20 is in minutes, and t = 0 represents the instant the tank starts draining.

The rate at which water is draining four and a half minutes after it begins is given by

\left.
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}=\left[40,000\left(1- \frac{t}{20} \right)\left(- \frac{1}{20} 
\right)\right]_{t= \frac{9}{2} } \\  \\ =\left[-2,000\left(1- 
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gallons\ per\ minute

Therefore, the water is draining at a rate of 1,550 gallons per minute four ans a half minutes after it begins.

Answer option E is the correct answer.
4 0
2 years ago
A cell phone provider charges $120 per month. There is a 15% discount for those who also subscribe to home phone service. What p
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Answer: $102 per month

Step-by-step explanation:

15% off $120 means $120-(.15*$120) which is 120-18=$102. The .15 is the 15%, and 15% of 120 would be the whole multiplication.

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3 years ago
Please help with this question.
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Answer:suchi i think is on the cite

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