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spin [16.1K]
3 years ago
14

Write an equation (y=mx+b) through the points: (3,-1) and (8,9)

Mathematics
1 answer:
Advocard [28]3 years ago
4 0

Answer:

y=2x-7

Step-by-step explanation:

m==2

y=mx+b

9=16-7

y=2x-7

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3x2 + 7x for x =2<br> Solve
kaheart [24]

Answer:

26

Step-by-step explanation:

3x^2 + 7x

when x = 2,

=> 3(2)^2 + 7(2)

=> 3(4) + 14

=> 12 + 14

=> 26

8 0
3 years ago
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Which of these side lengths makes the triangle obtuse?<br> 15, 36,
gogolik [260]

Answer:

I believe the answer is 36.

8 0
3 years ago
Amy and Mary are playing a board game that uses game money if $5 and $10. At the end of the game, Amy has n bills worth $5 each
loris [4]

Answer:

5n + 10d represented the money spend by the Amy in playing board games  of cost $5 and $10 .

Step-by-step explanation:

As given

Amy and Mary are playing a board game that uses game money if $5 and $10.

At the end of the game, Amy has n bills worth $5 each and d bills worth $10 each .

Total amount of n bills = 5n

Total amount of  d bills = 10d

Thus

Total money spend by the Amy in playing board games = Total amount of n bills + Total amount of  d bills

                                                                                             = 5n + 10d

Therefore  5n + 10d represented the money spend by the Amy in playing board games  of cost $5 and $10 .

6 0
3 years ago
Doug entered a canoe race. He rowed 3 1/2 miles in 1/2 hour. What is his average speed in miles per hour ?
Alex787 [66]
3 1/2 miles = 7/2 miles
1/2 hours= 30 minutes
So,
In 30 mins, travelled 7/2 miles
In 1 min, travelled 7/2 ÷ 30= 7/2× 1/30 = (7×1)/(2×30) = 7/60 miles
In 60 mins, travelled (7×60)/60 miles = 420/60 miles = 7 miles.
Hence, the speed is 7 miles per hour.
5 0
3 years ago
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True or False: The endpoints of a polygon must conform to snap points, whereas the edges of an area are not confined by snap poi
fgiga [73]

For this case, what we should know is that a polygon is a geometric figure with n sides that is closed. It is usually the union of straight lines.

On the other hand, in order to find the area of a figure, we need it to be closed.

Therefore, the edges of an area are confined by snap points.

Answer:

FALSE

3 0
3 years ago
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