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Alexus [3.1K]
3 years ago
14

Question: How has the U.S. use of renewable and nonrenewable energy sources changed from 2009-2017?

Mathematics
1 answer:
sukhopar [10]3 years ago
6 0
From 2009 to 2017 energy has changed because in 2009 windmills were used and such things and in 2017 modern energy has been created
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Find BC<br>AC = 7<br>BD = 7.5<br>DE = 1.5<br>AE = 11​
tatuchka [14]

5

CE=AE-AC=4

CD=CE-DE=4-1.5=2.5

BC=BD-CD=7.5-2.5=5

3 0
3 years ago
A matrix with 5 columns and 6 rows added to another matrix with 5 columns and 6
photoshop1234 [79]

Answer:

C 10 columns and 12 rows

Step-by-step explanation:

c = columns

r = rows

5c + 5c = 10c

6r + 6r = 12r

10 columns and 12 rows

The answer is C

3 0
3 years ago
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Write the slope intercept form Through:(1,-5) and(4, -1)
erastovalidia [21]

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Slope intercept form is

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kaheart [24]

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7 0
2 years ago
Marco starts with a population of 10 bacteria that doubles every day for a number of days, d. He writes the expression 10(2d) to
riadik2000 [5.3K]

Answer:

Marco- 10 is the starting value of the population. 2 is the growth rate of "double each day" with d as an exponent.

Isabella- 1 is the starting population. 1+0.2=1.2 is the rate at which it grows each day.

Step-by-step explanation:

Marco's equation should be 10(2^{d}) since the bacteria double each day. 10 is the starting value of the population. 2 is the growth rate of "double each day" with d as an exponent. This will double each day because:

Day 1 is 2^{1}=2

Day 2 is 2^{2}=4

Day 3 is 2^{3}=8

Day 4 is 2^{4}=16

You'll notice the value doubles each day.

Isabella has a different equation because her population increases by a percentage. We use the simple interest formula to calculate the bacteria's daily increase or interest.

1(1+0.2)d

1 is the starting population.

1+0.2=1.2 is the rate at which it grows each day.

3 0
3 years ago
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