2 years ago

Which example is a nonrenewable energy source?

Mathematics

1 answer:

timama [110]2 years ago

7 0

Coal because but only in last decade as we humans mine and we only have so much of it

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Identify the given quadrilateral<br> Can anyone tell me if these are correct?

Lisa [10]

28 might be a parallelogram

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2 years ago

What is the solution to the inequality below 8 m> 40

nalin [4]

Answer:

M>5

Step-by-step explanation:

Lets just rewrite the equation

8m>40 is the same as m(8)>40

lets divide

8m / 8>40/8

m>5

If my answer is incorrect, pls correct me!

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3 years ago

I need these three solved. I have a lot of math to do. the directions say solve each system of equations using substitution. sho

alekssr [168]

Answer:

x + 2(x + 1) = 8 --> x = 2

y = 2 + 1 = 3

3(9 + 2y) + 5y = 20 --> y = -7/11

x = 9 + 2(-7/11) = 85/11

3(-1 - 2y) + 5y = -1 --> y = -2

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3 years ago

Help pls for 100 points!!!

Rus_ich [418]

Answer:

$x\leq 9$

Step-by-step explanation:

Subtract 7 From both sides

$x+7-7\le \:16-7$

7-7 = 0, 16 - 7=9

That leaves $x \leq 9$

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3 years ago

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A square tile has an area of 324 square inches. what is the perimeter of the square tile in inches?

kotykmax [81]

The formula of an area of a square: $A=a^2$

a - side

We have: $A=324\ in^2$

substitute:

$a^2=324\to a=\sqrt{324} \to a=18\ in$

The fromula of a perimeter of a square is: $P=4a$

substitute:

$P=4\cdot18=72\ in^2$

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3 years ago