How does the author of "Solar-Powered Public Buildings? Not So Fast, California!" support the claim that an increase in solar power usage could disrupt power delivery to individuals and organizations?

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ineffective, because the author relies only on personal opinions rather than facts to point out problems with solar power . ineffective, because the author supports the opposing viewpoint by introducing the idea that solar power is popular . effective, because the author reveals the significant costs of readying California’s public buildings to run on solar power  effective, because the author shows that less than half of California’s energy supply comes from solar power.

effective, because the author reveals the significant costs of readying California’s public buildings to run on solar power

Explanation:

The author of the text presents evidence on how the use of solar energy is expensive, which often makes it difficult to use this type of energy in buildings, especially public predictions. This could be a problem in California, where the demand for solar energy is high and there are many advocates who advocate the use of this energy without taking into account the expenses to maintain an uninterrupted supply of it.

x=4, y=4

step-by-step explanation:

y=2x-4;

x+2y=12

we can use substitution since the first equation is solved for y

where ever you see y in the second equation, replace it with 2x-4

x + 2(2x-4) = 12

distribute the 2

x+4x-8 = 12

combine like terms

5x-8=12

add 8 to each side

5x-8+8=12+8

5x=20

divide by 5

5x/5 = 20/5

x =4

we still need to solve for y

y = 2x-4

we know x =4

y = 2(4) -4

y = 8-4

y=4

8 ish depending on the what grade