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2 years ago

Ted’s class collects aluminum cans to sell to the recycling center. The center pays $0.002 for each kilogram of aluminum.

Mathematics

2 answers:

Alenkasestr [34]2 years ago

8 0

Answer:

t=an

Step-by-step explanation:

I checked.

nikklg [1K]2 years ago

3 0

There are several information's of immense importance already given in the question. Based on these information's the answer can be easily deduced. Let us now focus on the problem in hand.

Amount paid by the center per kilogram of aluminium = $0.002
The equation is
t = 0.002n dollars

I hope it is absolutely clear to you.

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13(x - 3)=39 what is answer

artcher [175]

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2 years ago

Read 2 more answers

Cound someone please help me on this, I'm stuck.

Katyanochek1 [597]

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As an example, here are the first three exercises:

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2 years ago

How do you solve -2(3x-1)-3=4x+5-x

maria [59]

Answer:

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2 years ago

Do I need to put parentheses in this? Why it why not?

Oksana_A [137]

Answer:

Parentheses can change the result of the answer. If you want to add 4 and 0.95 first, then multiply that number by 3, then you need parentheses.

Step-by-step explanation:

When you are given the question 3 X 4 + 0.95, it has to types of operations. People solve using the order PEDMAS:

Parentheses,

Exponents,

Division and Multiplication,

Addition and Subtraction.

Since there are no parentheses or exponents, the solver will do multiplication first, then addition.

3 X 4 + 0.95 Multiply first

= 12 + 0.95 Now add

= 12.95 Answer without parentheses

If you add parentheses around 4 + 0.95, the answer would change. According to PEDMAS, the parentheses must be solved before anything else.

3 X (4 + 0.95) Add inside parentheses

= 3 X (4.95) Now multiply

= 14.85 Answer with parentheses

If you added parentheses around 3 X 4, the answer would not change, because you still multiply first.

(3 X 4) + 0.95 Solving parentheses first

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2 years ago

If the side length is increased by a factor of 3, how much larger is the perimeter of a face of the new cube?

Luden [163]

The perimeter of a face of the new cube is 8 times larger than the previous cube.
Let us say, the side of cube before increase is "a"
Then perimeter of the cube = 12a ,

because the cube has 12 sides.
And perimeter of a face of cube = 4a
Now, the side length is increased by factor of 3 i.e. new side is 3a
Thus, perimeter of new face of the cube = 4*3a = 12a

Therefore, the new perimeter is larger by = 12a - 4a = 8a

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2 years ago