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gregori [183]
3 years ago
7

Which of these operations should br completed first when solving an equation?

Mathematics
1 answer:
Sever21 [200]3 years ago
6 0

Answer:

Divide

Step-by-step explanation:

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What is the weight of 320 jars if each jar weighs 3 pounds 2 ounces?
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First, covert 3 pounds to ounces...then add the 2 ounces given. The weight of one jar, in ounces, is 50 ounces. Given that, multiply 320 by 50. The answer to that is 16,000. Therefore, there are 16,000 in 320 jars. To get the answer pack to pounds....divide 16,000 by 16 since there are 16 ounces in a pound. The answer would be 1,000 pounds. Meaning, there are 1,000 pounds OR 16,000 ounces in 320 jars. Hope this helps :)
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Each big square is cut into 3 parts to represent multiplying by one-third. The number of small shaded squares in the circled par
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Answer:the answer is 5/9

Step-by-step explanation:

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What is negative 8 plus 8
jenyasd209 [6]

Answer:

0

Step-by-step explanation:

-8+8=0

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The constant value of the ratio of two proportional quantities
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3 years ago
8x+3y= 28 and 7x-3y=2<br>solve for x and y simontaniasly using elimination ​
EleoNora [17]

Answer:

x=2, y=4

Step-by-step explanation:

When using elimination, the objective is to elimate one variable. In this case, we see that "y" can easily be eliminated by adding the two equations together since you will get 3y + (-3y) which will eliminate y because the value would become 0, letting us solve for x.

\left \{ {{8x+3y=28} \atop {7x-3y=2}} \right. +\\

Then we get

15x =30, because the y's will eliminated, and 8x+7x is 15x, and 28+2 is 30.

Then divide by 15 on both sides and you get x=2

If x=2, then we can substitute that value into any of the previous given equations and find the value of y.

8×2 +3y = 28

16+3y=28

3y=12

y=4

So the answer to your system of equations would be x=2, and y=4

You can substitute the answers we found to see that they satisfy the equation.

Hope this helped.

6 0
3 years ago
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