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3 years ago

What is 12 percent of 8 hours

Mathematics

2 answers:

Rufina [12.5K]3 years ago

6 0

The answer is .96 because you need to multiply 8 by .12

jasenka [17]3 years ago

4 0

Answer:

0.96

Step-by-step explanation:

12% = 0.12

0.12 * 8 = 0.96

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Given 3 angles of a triangle how to find if its acute right, obtuse

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3 years ago

4x10^5 scientific notation

dmitriy555 [2]

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3 years ago

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Anna [14]

Answer:

see below

Step-by-step explanation:

If x represents the number of dimes, then 2x will represent twice the number of dimes. This is the number of quarters, since there are twice as many quarters as dimes.

There are 6 more nickels than dimes, so the number of nickels is 6 more than x. It is (x+6).

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3 years ago

Sec squared 55 - tan squared 55

sergejj [24]

<u>Answer: </u>

sec squared 55 – tan squared 55 = 1

<u>Explanation:</u>

Given, sec square 55 – tan squared 55

We know that,

$\sec \Theta=\frac{\text {hypotenuse}}{\text {base}}$

And,

$\tan \theta=\frac{\text { perpendicular }}{\text { base }}$

where Ө is the angle

Substituting the values

$\left(\frac{\text {hypotenuse}}{\text {base}}\right)^{2}-\left(\frac{\text { perpendicular }}{\text {base}}\right)^{2}$

Solving,

$\frac{(\text {hypotenuse})^{2}-(\text {perpendicular})^{2}}{(\text {base}) *(\text {base})}$

According to Pythagoras theorem,

$\text { (hypotenuse) }^{2}-\text { (perpendicular) }^{2}=(\text { base })^{2}$

Putting this in the equation;

squared 55 - tan squared 55 =

$\frac{(\text {hypotenuse})^{2}-(\text {perpendicular})^{2}}{(\text {base}) *(\text {base})}=\frac{(\text {base})^{2}}{(\text {base}) *(\text {base})}=1$

Therefore, sec squared 55 – tan squared 55 = 1

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3 years ago

Six more than five times a number X is at least 21

lorasvet [3.4K]

6+5X<21

*********(THE < IS SUPPOSE TO HAVE A LINE UNDER IT)*******

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3 years ago