3 years ago

Help me please please

Mathematics

1 answer:

yanalaym [24]3 years ago

3 0

Answer:

Hold on a sec i cant remember

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12 is blank percent of 200

RoseWind [281]

Percent formula : is / of = % / 100

12 is ? % of 200..
is = 12
of = 200
% = x
now sub and solve
12/200 = x / 100
cross multiply because this is a proportion
(200)(x) = (12)(100)
200x = 1200
x = 1200/200
x = 6.......so 12 is 6% of 200 <==

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Margarita [4]

The believe the answer is C but I could be wrong, good luck!

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I just need to check if the answer I got is right cause I’m not sure. (7th grade)

zubka84 [21]

Answer:

48 ft.

Step-by-step explanation:

Since triangles ABC and DEC are similar (you can prove this quite easily), then we know the ratio of the sides are equal. This is a property of similar triangles. So we take the ratio of the sides CE and DE and the ratios of the sidesBC and AB.

We get:

$\frac{x}{40} = \frac{60}{50} \Rightarrow x = \frac{6}{5}\times 40 = 48.$

So x is 48 ft.

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(1/16)^(x+2) = (64)^(x-3)

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