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svlad2 [7]
3 years ago
14

Use the slope formula to find the slope of the line through the points (1, -2) and (-2,8).

Mathematics
1 answer:
lys-0071 [83]3 years ago
6 0

Answer:

Step-by-step explanation:

(8 + 2)/(-2 - 1)= -10/3

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4 0
3 years ago
Helena needs 3.5 cups of flour per loaf of bread and 2.5 cups of flour per batch of muffins. She also needs 0.75 cup of sugar pe
vesna_86 [32]
Let
 x = loaves of bread
 y = batches of muffins
 You must make a system of two equations with two unknowns that describe the problem
 3.5x + 2.5y = 17 --- (1)
 0.75x + 0.75y = 4.5 --- (2)
 Resolving we have
 x = 6-y (from (2))
 replacing in (1)
 3.5 (6-y) + 2.5y = 17
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 Answer
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8 0
3 years ago
Solve equation<br>8-3(p-4)=2p
LenKa [72]

Answer:

ok the answer is: p=-4

Step-by-step explanation:

First you distribute 3 times p-4 and get  8-3p+12=2p then you add 12 plus 8 and get 20 then you have 20-3p=2p you have to add 3p on both sides and you get 20= -5p you divide and get p= -4

6 0
3 years ago
Which line of reflection maps point K at (-2, 2) to K' at (2, -2)?
Murrr4er [49]

Answer: The y-axis or line x=0.

Step-by-step explanation:

6 0
3 years ago
Solve for x.<br> 6x - 3x = 12
expeople1 [14]

Answer:

x=4

Step-by-step explanation:

3x = 12

divide by 3

x =12/3

8 0
3 years ago
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