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soldier1979 [14.2K]
3 years ago
10

Geometric proofs Can someone explain how to do number 1? It would really help

Mathematics
1 answer:
PtichkaEL [24]3 years ago
5 0
1) given
2) def of midpoint
3) substitution property of equality

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!!!! I need help with numbers 1 and 9 please !!!!!
Nataly_w [17]

(1)

given \frac{j}{6} = \frac{9}{10} ( cross- multiply )

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j = \frac{54}{10} = \frac{27}{5} ← in simplest form

(9)

let h be the hours worked daily , then

3h = 20 \frac{2}{3} = \frac{62}{3} ( divide both sides by 3 )

h = \frac{62}{3} ÷ 3

  = \frac{62}{3} × \frac{1}{3} = \frac{62}{9} = 6 \frac{8}{9}

She worked  6 \frac{8}{9} hours each day


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3 years ago
What is (1.2)to the power of 4
Cloud [144]

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Step-by-step explanation:

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3 years ago
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Pachacha [2.7K]

Answer:

The answer is 36. Say 42 + 42 is 84. Since one of the number is 6 more than the other, add 6 the first 42 and subtract 6 from the other number which will be 48 + 36 = 84. So the smaller of the two is 36.

Step-by-step explanation:

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2(2x-1)-4(3x+1)=2 how to solve this
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puteri [66]
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