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Mnenie [13.5K]
3 years ago
9

The straight line L has equation y=2x-5 find an equation of the straight line perpendicular to L which passes through (-2,3)

Mathematics
1 answer:
Marta_Voda [28]3 years ago
6 0
I have a the same one in grade 10
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The temperature at 6:00 pm was 24°. At midnight the temperature 36° lower than 6:00pm . What was the temp at midnight?
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Answer:

-12°

Step-by-step explanation:

Man... I just did 36 minus 24, and since it says 36° lower I decided it was -12 degrees (24 - 36 is more accurate but I find it easier just to do it the other way)

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If a car travels 640 miles in 11 hours, what is the average rate (speed) of the car? A) 0.017 mph B) 17.12 mph C) 58.18 mph D) 6
Tju [1.3M]
640 divided by 11 equals 58.18 mph
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3 years ago
If 57 is added to a number, it will be 4 times as large as it was originally. Find the number.
Sonja [21]

Answer:

19

Step-by-step explanation:

X will refer to the number.

X+57( the number added to the original.)=4x. (x time 4)

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(X+57)-x =(4x)-x

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57/3=3/3x.

57/3=19. 3/3=1.

19=x.

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2 years ago
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