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3 years ago

What are supplementary angles ?

Mathematics

2 answers:

Firlakuza [10]3 years ago

5 0

Either of two angles whose sum is 180 degrees

Bond [772]3 years ago

4 0

Angles that equal 180 degrees

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3 years ago

C = .25t +3.50 in 'C' dollars for 't' minutes. How much does it cost to rent the canoe for 1 hour?

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Answer and Step-by-step explanation:

We know that t is in minutes, and 1 hours is equal to 60 minutes, so we plug in 60 for t.

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2 years ago

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Step-by-step explanation:

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3 years ago

Subtract 0.58 - 0.21. What is the place value of the 7 in the difference? ones tens tenths hundredths

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Find the slope of the line through the given points (4,-2),(-1,8)

nikklg [1K]

Answer:

$\displaystyle m=-2$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinates (x, y)
Slope Formula: $\displaystyle m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Point (4, -2)

Point (-1, 8)

Step 2: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m

Substitute in points [Slope Formula]: $\displaystyle m=\frac{8+2}{-1-4}$
[Fraction] Add/Subtract: $\displaystyle m=\frac{10}{-5}$
[Fraction] Divide: $\displaystyle m=-2$

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2 years ago