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2 years ago

After cutting a piece 1.65 m long from a piece of cable, the remaining

Mathematics

1 answer:

Neko [114]2 years ago

3 0

Answer:

5.15 m

Step-by-step explanation:

To find how long the cable was originally, find the sum of the length of the piece that was cut off and the length of the remaining piece:

1.65 + 3.5 = 5.15

The cable was originally 5.15 m long.

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A triangle has side lengths of 7 in., 9 in., and 11 in. Determine whether this is a right triangle and why.

Harlamova29_29 [7]

Answer:

Not a right triangle. See below for my reasoning.

Step-by-step explanation:

If this is a right triangle, then the sum of the squares of the two shorter sides will equal the square of the longest side: 7^2 + 9^2 = 11^2 => 49 + 81 = 121 But this is false.

8 0

3 years ago

What is the slope of a line containing (4,6) and (0,8)?

AlladinOne [14]

Answer:

$m=\frac{-1}{2}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Algebra I

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Point (4, 6)

Point (0, 8)

Step 2: Find slope m

Substitute: $m=\frac{8-6}{0-4}$
Subtract: $m=\frac{2}{-4}$
Simplify: $m=\frac{-1}{2}$

3 0

2 years ago

Read 2 more answers

Solve the following equation

Eva8 [605]

-4y + 8 = 8y -8 + 32 - 16y
-4y +8 = -8y +24 +8y
4y + 8 -8= 24
4y = 16
Y = 4

7 0

3 years ago

The lines below are parallel. If the slope of the solid line is –3, what is the slope of the dashed line?

stepladder [879]

Answer:

-3

Step-by-step explanation:

parallel lines always have the same slope, the y-intercepts will differ

8 0

3 years ago

I need help on 1&2 pls

Rus_ich [418]

Answer:

Step-by-step explanation:

1. Slope

2. Hypotenuse

7 0

2 years ago