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jarptica [38.1K]
3 years ago
5

Given two points (2, 7) and (1, -2) on a line, calculate the slope of the line.

Mathematics
1 answer:
Kipish [7]3 years ago
7 0

Answer:

Step-by-step explanation:

Slope of line passing through (2, 7) and (1, -2) = (-2-7)/(1-2) = 9

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Suppose you are replacing the carpet in the living room where the length of the living room is five feet shorter than twice its
klasskru [66]

Answer:

$149.50

Step-by-step explanation:

Width = x

Length = 2x - 5

Perimeter of the room = 5x

Perimeter of the room = 2(length + width)

5x = 2{(2x-5) + x}

5x = 2(2x - 5 + x)

5x = 4x - 10 + 2x

5x = 6x - 10

5x - 6x = -10

-x = -10

x = 10

Width = x = 10

Length = 2x - 5

= 2*10 - 5

= 20 - 5

= 15

Perimeter of the room = 5x

= 5 × 10

= 50 square foot

If carpet costs $2.99 a square foot, what the total cost to carpet the living room

Total cost = $2.99 × 50

= $149.50

3 0
3 years ago
Claire is building a dollhouse where 1 inch on the plans is equivalent to 5 inches on the actual dollhouse.
8090 [49]

Answer: 6.5 inches

Step-by-step explanation:

From the question, we are informed that Claire is building a dollhouse where 1 inch on the plans is equivalent to 5 inches on the actual dollhouse.

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​If the house is to be 32.5 inches tall, the height be on the plans will be one-fifth of the actual dollhouse. This will be:

= 1/5 × 32.5

= 6.5 inches

7 0
3 years ago
Donnie writes an absolute value equation to determine the values that are 0.8 units from 3.5.
enot [183]

Answer:

Step-by-step explanation:

0.4 out of the 0.8/ for the 3.5 it should be 1.5

4 0
2 years ago
Simplify each expression.<br> -4.1 + 2n +1 +0.3n<br> What is the answer
Gnom [1K]

Answer: -4/5, in decimal form -0.8

Step-by-step explanation: −4.1+2n+1+0.3n

Combine Like Terms:

=−4.1+2n+1+0.3n

=(2n+0.3n)+(−4.1+1)

=2.3n+−3.1

=2.3n−3.1

7 0
3 years ago
Aileen drives 208 miles in 4 hours. What is her speed in miles per hour? (label with "miles per hour")
77julia77 [94]

<u>Answer:</u>

52 miles per hour (mph)

<u>Step-by-step explanation:</u>

208 miles ÷ 4 hours = 52 miles per hour (mph)

<em>Hopefully this helps! Sorry if wrong. You are loved and you are beautiful/handsome!</em>

-Bee

7 0
3 years ago
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