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3 years ago

MTH 8 Test Geometric Applications of Exponents 2020-2021

Mathematics

1 answer:

vladimir2022 [97]3 years ago

8 0

Answer: Triangle 3 is not a right triangle

Step-by-step explanation:

The sides should be able to put into the Pythagorean Theorem if it is a right triangle

Triangle 1: 6, 8, 10... 36+64=100-- true statement

Triangle 2: 6, 10, 12 ... 36+100 - 144-- incorrect statement

Triangle 3: 9, 12, 15... 81+144= 225-- true Statement

Triangle 4: 12, 16, 20... 144+256=400-- true statement

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A bicyclist covered 5/7 of his route and an additional 40 miles. He has yet to cover 118 miles less than 0.75 of his route. How

Liula [17]

Answer:

168 miles.

Step-by-step explanation:

5/7x+40+0.75x−118=x

Step 1: Simplify both sides of the equation.

5/7x+40+0.75x−118=x

5/7x+40+0.75x+−118=x

(5/7x+0.75x)+(40+−118)=x(Combine Like Terms)

1.464286x+−78=x

1.464286x−78=x

Step 2: Subtract x from both sides.

1.464286x−78−x=x−x

0.464286x−78=0

Step 3: Add 78 to both sides.

0.464286x−78+78=0+78

0.464286x=78

Step 4: Divide both sides by 0.464286.

0.464286x/0.464286=78/0.464286

x=168

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3 years ago

In 1992, the average electric bill for a single

Aleksandr [31]

Answer:

Price went up, $24.64/year for 28 years

Step-by-step explanation:

Change Year = 28

Change Price = 690

Average rate = 690/28 = 24.64

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3 years ago

A cruise ship traveled 432 miles in 24 hours. What was its average rate of speed?

Arturiano [62]

Answer:

18 miles an hour

Step-by-step explanation:

Divide 432 by 24 to get 18.

4 0

2 years ago

Read 2 more answers

40 points!!!!!!!!!!!!!!!!!!!!

saveliy_v [14]

Answer:

23 decries up wards then move it down twice :)

Step-by-step explanation:

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3 years ago

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Find the value of x. Then find the measures of four angles.

posledela

Refer to the attached file

For your understanding,I am sending this too so that u can understand the concept

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3 years ago