3 years ago

Help don't get any of them. please explain

2 answers:

8 0

You really just have to round the numbers. Its super simple what number would round to the number that they are saying they are?

katen-ka-za [31]3 years ago

5 0

You basically do you make a number that rounds to the problems final answer. I'll do one with you, a number that rounds 500 would be 501- 549 same goes for the other ones.

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If the tangent of an acute angle is 1/4, what is the cosine of that angle?

ozzi

Answer:

0.97

Step-by-step explanation:

It is known that the tangent of an angle is given by the quotient between its sine and its cosine.

$tan(x)=\frac{sin(x)}{cos(x)} =\frac{1}{4} \\\frac{1}{4}cos(x)=sin(x)\\$

Applying the following property:

$sin^2(x) +cos^2(x) = 1\\(\frac{1}{4}cos(x))^2 +cos^2(x) = 1\\\\\frac{17}{16}cos^2(x) = 1 \\cos(x)=0.97$

The cosine of that angle is 0.97.

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3 years ago

List all the prime factors of 42 besides 1

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3 years ago

A bicycle is on sale at $12 more than half of the regular price. If the sale price is $75, find the regular price.

konstantin123 [22]

So 12 more than half the regular price.
let's let $p$ be the original price.

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3 years ago

You planted 10 fewer flowers then your friend. Your friend planted f flowers. What expression shows how many flowers you planted

inysia [295]

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Step-by-step explanation:

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4 years ago

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The answer should be 37%

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