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Roman55 [17]
3 years ago
13

How can you write and solve an addition or subtraction equation?

Mathematics
1 answer:
Fiesta28 [93]3 years ago
7 0

Answer:

What equation...................wait nvm

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Naomi has been contracted to put decorative lights on the outside edges of a building. She knows that each string of lights she
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You would divide 1350 by 47 to find our how many strings of lights she would need.

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so you would need to round up to 29

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3 years ago
The product of a number and 7 less than the number is 260. Find the numbers.
Mariulka [41]

Answer: 20,-13

Step-by-step explanation:

We can rewrite the problem as an equation. This equation is x(x-7)=260 (x being the mystery number). We can simply this into x^2 -7x=260. We can then rewrite this as x^2 -7x -260=0. We need to find the roots of this quadratic, which are -13 and 20. You can find this by factoring the quadratic.

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2 years ago
5(2a-6b+8)<br> Please helppp
vagabundo [1.1K]

Answer:

10a - 30b + 40

Step-by-step explanation:

6 0
3 years ago
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Rajeev deposits $800 in a savings account earning interest at a rate of 4% compounded annually. How much is in his account after
AfilCa [17]

Answer:

960

Step-by-step explanation:

We know that 4 percent of 800 dollar is 32 dollar. So 32 time 5 (because it ask us how much after 5 year) is 160. Now we add it to 800 because it ask  the total in his account so it 960.

3 0
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