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Anna35 [415]
3 years ago
11

How to use the table to solve these problems plea

Mathematics
1 answer:
jolli1 [7]3 years ago
4 0
1) count and mark so that you will have 50 blocks to work with. Shade 19 of those blocks. This will represent your fraction. To get the % divide 19/50= 0.38 move the decimal to the right two places and you will have 38%.

2) do the same count and mark off 20 blocks and shade 13. This represents the fraction. Divide 13/20 = 0.65. Move the decimal two places to the right and you will have 65%.
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Katena32 [7]
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5 0
2 years ago
I don't understand the substitution method?
liq [111]
It depends on what variable you are tying to solve for first. Say you are trying to solve for x first and then y on the first problem you wrote.

In substitution you solve one of the equations for example with
6x+2y=-10
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you solve 2x+2y=-10 for x

2x+2y=-10
-2y = -2y (what you do to one side of the = you do to the other)
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x=-5-y

now you put that in your original equation that you didn't solve for:
6(-5-y)+2y=-10 solve for that
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+30=+30
-4y=20 divide the -4 from each side
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y=-5

now the equation you previously solved for x can be solved for y.
x=-5-y
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and now we have solved the problem. x=0 and y=-5

6 0
3 years ago
Find the least common multiple of 2, 8 and 20.
charle [14.2K]

Answer:

40

Step-by-step explanation:

squeee

7 0
3 years ago
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OverLord2011 [107]

Answer:

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Step-by-step explanation:

3 0
3 years ago
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What 2 numbers multiply to get -120 and add to get -14
mr Goodwill [35]

Answer:

-20 and 6

Step-by-step explanation:

-20 x 6 = -120

and if you add -20 and 6, you get -14.

5 0
3 years ago
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