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stealth61 [152]

3 years ago

13

Mario must reduce the use of his home's electricity. His home currently consumes 28 kwh of electricity per day, and Mario must r

educe the use by 25%. Find the amount of electricity that will be used after the reduction in two different ways, using two different scale factors

1 answer:

kolbaska11 [484]3 years ago

8 0

I don’t know I think it 2

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xenn [34]

$\bf \cfrac{1+cot^2(\theta )}{1+csc(\theta )}=\cfrac{1}{sin(\theta )} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{1+cot^2(\theta )}{1+csc(\theta )}\implies \cfrac{1+\frac{cos^2(\theta )}{sin^2(\theta )}}{1+\frac{1}{sin(\theta )}}\implies \cfrac{~~\frac{sin^2(\theta )+cos^2(\theta )}{sin^2(\theta )}~~}{\frac{sin(\theta )+1}{sin(\theta )}}\implies \cfrac{~~\frac{1}{sin^2(\theta )}~~}{\frac{sin(\theta )+1}{sin(\theta )}}$

$\bf \cfrac{1}{\underset{sin(\theta )}{~~\begin{matrix} sin^2(\theta ) \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~ }}\cdot \cfrac{~~\begin{matrix} sin(\theta ) \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}{sin(\theta )+1}\implies \cfrac{1}{sin^2(\theta )+sin(\theta )} \\\\[-0.35em] ~\dotfill\\\\ ~\hfill \cfrac{1+cot^2(\theta )}{1+csc(\theta )}\ne \cfrac{1}{sin(\theta )}~\hfill$

5 0

3 years ago

What is 15-5(4x-7)=50

katovenus [111]

Simplifying

15 + -5(4x + -7) = 50

Reorder the terms:

15 + -5(-7 + 4x) = 50

15 + (-7 * -5 + 4x * -5) = 50

15 + (35 + -20x) = 50

Combine like terms: 15 + 35 = 50

50 + -20x = 50

Add '-50' to each side of the equation.

50 + -50 + -20x = 50 + -50

Combine like terms: 50 + -50 = 0

0 + -20x = 50 + -50

-20x = 50 + -50

Combine like terms: 50 + -50 = 0

-20x = 0

Solving

-20x = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Divide each side by '-20'.

x = 0.0

Simplifying

x = 0.0

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3 years ago

A state has a sales tax of 7 percent.

Alona [7]

Answer:

Florida

Step-by-step explanation:

im yupp ty of course and the fact is the fact is the

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3 years ago

1+1= help will give brainlist

zvonat [6]

Answer:

2

Step-by-step explanation:

$1 + 1 =2$

$Hope$ $this$ $helps!$ $Have$ $a$ $good$ $day!$ $:)$

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2 years ago

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Which type of transformation create similar figures.

labwork [276]

I believe it’s reflection and Rotation.

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3 years ago