This is the answer key, not my work. For question 7, how do you get the -3 and 2 to multiply the equations by

Mathematics

1 answer:

zysi [14]3 years ago

5 0

The -3 and 2 are just the numbers you multiply by to get the variable 's' have opposite values in the 2 equations so that when you add the 2 equations, they would cancel out

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Sliva [168]

Answer:

C) an obtuse triangle

Step-by-step explanation:

Since the main angle (the angle that corresponds to the longest side) is considered to measure more than 90°, it is an obtuse triangle.

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3 years ago

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4vir4ik [10]

Well, first I'd start off by adding the hours. 10:30 Am + 1 hour = 11:30 AM.
11:30 Am + 1 hour = 12:30 PM. 12:30 + 1 hour = 1:30 PM. Then I would add the minutes. 3/4 of an hour is 3/4 of 60 minutes which is 45 mins. So, 1:30 PM + 45 minutes would be 2:15 PM.

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4 years ago

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marysya [2.9K]

Step-by-step explanation:

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3 years ago

30 points plz help<br> Use the draggable points to graph the equation<br> 1<br> y=<br> 2x+3

Nikitich [7]

Answer:

Yeah its 7 because when you add 3+2=5, and x is 2, its 7

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3 years ago

4m=n+7 3m+4n +9 =0

Vlada [557]

Answer:

n=-3

m=1

Step-by-step explanation:

get m by itself then plug it in for the other m and solve, then solve for n.

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3 years ago