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4 years ago

Rewrite each division problem as a multiplication problem and solve. 6.3 divided 0.9 equals what

Mathematics

1 answer:

Masteriza [31]4 years ago

8 0

You can write both numbers as fractions:

$6.3=\dfrac{63}{10},\quad 0.9=\dfrac{9}{10}$

Dividing by a fraction is the same as multiplying by its inverse, so we have

$\dfrac{63}{10}\div \dfrac{9}{10}=\dfrac{63}{10}\cdot\dfrac{10}{9}$

We can cross-simplify the 10's and we have

$\dfrac{63}{10}\cdot\dfrac{10}{9}=\dfrac{63}{9}=7$

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3 years ago

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Stefan buys a melon and divided into six servings he eat one third of the melon over the weekend how many slices of melon does S

kozerog [31]

2 slices of watermelon. He divides it into 6 slices and 1/3 of 6 is 2m

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3 years ago

Simplify the radical expression 5√7+2√175

yanalaym [24]

$5\sqrt{7} + 2\sqrt{175}=5\sqrt{7}+2\sqrt{25 \cdot 7}=5\sqrt{7}+ 2 \cdot \sqrt{25} \cdot \sqrt{7}= \\ \\ = 5\sqrt{7}+2 \cdot 5 \cdot \sqrt{7}=5\sqrt{7}+10\sqrt{7}=\boxed{15\sqrt{7}} \approx 39.69$

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3 years ago

-6(6v - 7) = 186 What does v equal?

Leni [432]

Answer:

-4

Step-by-step explanation:

-36v+42=186

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3 years ago

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7.) Nate has $267 in bills. None of the bills is greater than $10. He has eleven $10 bills. He has seven fewer $5 bills than $1

slavikrds [6]

Just set up 2 equations.

267 = 10(11) + 5(x) + 1(y)
x = y - 7

you can plug the second into the first and get

267 = 110 + 5(y - 7) + y
157 = 5y - 35 + y
6y = 192
y = 32
x = 32 - 7 = 25

thus, 32 $1's and 25 $5's

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3 years ago