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yulyashka [42]
3 years ago
7

Identify which study method is illustrated by each example: a. The local department of transportation is responsible for maintai

ning lane and edge lines on its paved roads. There are two new paint products on the market. Twenty comparable stretches of road are identified. Paint Ais randomly assigned to ten of the stretches of road and paint B to the other ten. The department finds that paint B lasts longer.​
Mathematics
1 answer:
Nonamiya [84]3 years ago
8 0

Answer:

Experiment

Step-by-step explanation:

There is a “treatment” being applied which in this case is changing the environment which makes it and experiment

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adam put $100 in a savings account after 10 years he had $1649 in the account what rate of interest did he earn? use the formula
Nady [450]
Using the formula
ending amount is 1649=a
p=initial amount=100
t=10
r=r

so
1649=100e^{10r}
divide both sides by 100
16.49=e^{10r}
take ln of both sides
ln(16.49)=10r
divide both sides by 10
(ln(16.49))/10=r
use calculator
0.28027=r
about 28% interest
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3 years ago
Solve for X 68=-52x+16
dimulka [17.4K]

Answer:

-1

Step-by-step explanation:

Move the +16 onto the other side. We now have 52 = -52x. Divide each side by 54 to get x = -1.

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3 years ago
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after working for 25 hours, Lamar made $375. After working 40 hours, Lamar made $600. Predict how much he would make after 10 ho
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375÷25=15
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3 years ago
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Answer:

B. 2 Over 5

Step-by-step explanation:

The answer would be B   because 2 cups of chocolate to 5 cups of milk the ratio would be 2:5 and you can't put 5:2 because it's asking the ratio of chocolate milk to chocolate pudding not chocolate pudding to chocolate milk.

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