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2 years ago

Help again! for the 2nd time, IM DOING 20 POINTS

Mathematics

2 answers:

Margaret [11]2 years ago

4 0

Help with what? There's no questions listed.-

natulia [17]2 years ago

3 0

Answer:

with what

Step-by-step explanation:

you didn't post anything.....................................

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Lostsunrise [7]

It would be 20ft have a great day

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2 years ago

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What is 8 raised to the -2/3 power? I need help

Naddik [55]

Answer:

The answer will be 0.25 or 1/4

Step-by-step explanation:

8^(-2/3)= 0.25

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3 years ago

Jojo paid $6 for 3/5 pound of cheddar cheese

snow_tiger [21]

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why would he do that

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thats a lot for cheese. i can get it a dollar a pound

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One and one half is equal to how many tenths

Kazeer [188]

Answer:

Step-by-step explanation:

so when we make 1 1/2 into an improper fraction it is 3/2 so what do they have in common, that is 15/10 so its 15

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2 years ago

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If a+b=5 and a-b=4 then b^2-a^2 =

Anna007 [38]

Answer:

$a + b = 5 \\ a \: = 5 - b \\ a - b = 4 \\ 5 - b - b = 4 \\ 5 - 2b = 4 \\ 5 - 4 = 2b \\ 1 = 2b \\ \frac{1}{2} = \frac{2b}{2} \\0.5 = b \\ b = 0.5 \\ a = 5 - b \\ = 5 - 0.5 \\ = 4.5 \\ {a \: }^{2} - {b}^{2} = ( {4.5}^{2}) - ( {0.5}^{2} ) \\ = 20.25 - 0.25 \\ = 20 \\ {a}^{2} - {b}^{2} = 20$

Step-by-step explanation:

HOPE THAT THIS IS HELPFUL.

HAVE A GREAT DAY.

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2 years ago