3 years ago

Thirty-five percent of what number is 10.5?

Mathematics

1 answer:

IrinaVladis [17]3 years ago

7 0

Ok ok ok ok it is 3.5

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timofeeve [1]

Answer is 15 miles

This is because:

1 inch- 5 miles

3 inches- 15 miles

3x5=15 miles

Hope this helps!

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2 years ago

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8Mm-18M

Step-by-step explanation:

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3 years ago

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What is 3.38 rounded to the nearest tenth of a dollar

lina2011 [118]

It would round to $3.40

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2 years ago

Which expression is the factored equivalent of x2 - 5x + 4?

ozzi

Answer:

Step-by-step explanation:

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3 years ago

PLEASE AND THANK YOU CONFUSED ON THIS

ICE Princess25 [194]

After staring at this for a few seconds, I think the equation

$-5\sqrt{10}\cdot\sqrt{15}=[1]\sqrt{[2]}$

is asking you to simplify the left hand side so that it has a form matching the right hand side, and [1] and [2] are placeholders. My guess is that they're supposed to be integers.

Notice that

$\sqrt{10}=\sqrt{5\cdot2}=\sqrt5\cdot\sqrt2$

$\sqrt{15}=\sqrt{5\cdot3}=\sqrt5\cdot\sqrt3$

$\implies\sqrt{10}\cdot\sqrt{15}=(\sqrt5)^2\cdot\sqrt2\cdot\sqrt3=5\sqrt{2\cdot3}=5\sqrt6$

Then multiplying by -5, we have

$-5\sqrt{10}\cdot\sqrt{15}=-25\sqrt6$

so I believe [1] = -25, and [2] = 6.

5 0

3 years ago