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3 years ago

Are the three angles in a triangle complementary,supplementary,or neither

Mathematics

2 answers:

lawyer [7]3 years ago

8 0

Supplementary because it's just like complementary angles except supplementary adds up to 180 degrees. Often you will see supplementary angles created in a ray shoots out from a flat line. For example

Leviafan [203]3 years ago

3 0

They are all supplementary to each other because supplementary means that they all add up to 180

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3. Bob the Builder wants to earn an annual rate of 10% on his investments,

mamaluj [8]

Answer:

He should pay $2,790.7.

Step-by-step explanation:

This is a simple interest problem.

The simple interest formula is given by:

$E = P*I*t$

In which E is the amount of interest earned, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time, in years.

After t years, the total amount of money is:

$T = E + P$

In this question:

Rate of 10%, so I = 0.1.

9 months, so $t = \frac{9}{12} = 0.75$

How much should he pay for a note that will be worth $3,000 in 9 months?

We have to find P for which T = 3000. So

$T = E + P$

$3000 = E + P$

$E = 3000 - P$

Then

$E = P*I*t$

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$1.075P = 3000$

$P = \frac{3000}{1.075}$

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3 years ago

Two interior angles of a triangle each measure 34°. What is the measure of the third interior angle?

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Answer:

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Step-by-step explanation:

Since we know that a triangle totals 180 degrees, we can easily figure out the third angle. Since each measure 34 degrees, simply multiply by 2. You get 68 degrees. Then you do 180-68 to get 112.

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3 years ago