3 years ago

Which expressions are equivalent to (5g+3g+4)x2

Mathematics

1 answer:

FrozenT [24]3 years ago

4 0

It’s A, cuz the 4*2 equals 8

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dlinn [17]

Answer:

$4\sqrt{3}$

Step-by-step explanation:

$\sqrt{6} \times \sqrt{8}$

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$\sqrt{48}$

Simplify

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3 years ago

A cyclist rides 8 miles in 32 minutes. What is the speed of the cyclist in miles per hour?

Neko [114]

Well 32 minutes is half of an hour so 8 miles would be half of the full x miles
so 8 x 2 would be 16
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Can someone help me with this.<br> :)

Pie

For #2 just do Pythagorean theorem. That is 5²+h²=10²
25+h²=100
h²=75
h=sqrt(75)
Use a calculator to approximate the height

And I think it is irrational because square roots are not exact rational numbers

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3 years ago