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Dahasolnce [82]
3 years ago
7

How do you find the average speed for a non constant speeds? 

Mathematics
2 answers:
babunello [35]3 years ago
6 0
Average speed is calculated by dividing the total distance travelled by the time interval. For example, someone who takes 40 minutes to drive 20 miles north and then 20 miles south (to end up at the same place), has an average speed of 40 miles divided by 40 minutes, or 1 mile per minute (60 mph).
aleksandrvk [35]3 years ago
3 0
The average speed is the distance travelled divide by the time taken: Average speed = Distance travelled time taken
Hoped this helped
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Line K has a slope of -5. Line j is perpendicular to line k and passes through the point (5, 9). Create the equation for line j.
alisha [4.7K]

Answer:

y = 1/5 x + 8

Step-by-step explanation:

slope of line j: m = -(1/-5) = 1/5

j pass (5,9): (y-9)/(x-5) = 1/5

y-9 = 1/5(x-5) = 1/5 x - 1

y = 1/5 x + 8

7 0
3 years ago
Multiple Choice
WINSTONCH [101]

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Answer:

  B.  P = 70 in; A = 300 in²

Step-by-step explanation:

The perimeter is the sum of the side lengths. Opposite sides are the same length, so the perimeter is ...

  P = 20 in + 15 in + 20 in + 15 in = 2(20 in +15 in) = 2(35 in)

  P = 70 in.

Only answer choice B has the correct value. (Its area figure is also correct.)

7 0
3 years ago
jade ran 6 times around her neighborhood to complete a total of 1 mile, how many times will she need to run to complete 5/6 of a
Leto [7]
Dear Nyla5, the answer is 5 times since 5/6 divided by 6 equals 1 and the person ran around the neighborhood 5 times, so you do 5x1=5 times.
3 0
4 years ago
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Find the distance between the points (-7.2, -9.3) and (-7.2, -1.1)
AlexFokin [52]

Answer:

8.2

Step-by-step explanation:

-7.2 to -7.2 is 0

-9.3 to -1.1 is 8.2

Pythagorean theorem is a^2+b^2=c^2

0^2=0

8.2^2=67.24

0+67.24=0

√67.24=8.2

The distance between the to points is 8.2

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3 years ago
Is 0.4 over 0.8 a rational or irrational number
Rudik [331]
It is a rational number and it equals 0.5 or 1/2
5 0
3 years ago
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