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Blizzard [7]
3 years ago
11

A cyclist travels 5.8 km in 30 minutes. What is his average speed in km/h?

Mathematics
1 answer:
Mila [183]3 years ago
6 0

Answer:

11.6km/hr

Step-by-step explanation:

You need to double 30 minutes to get an hour, so do the same with the distance.

5.8*2=11.6 km

11.6km/hr

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0.25x2 -0.25x - 10.5 = 0<br><br>​
Tpy6a [65]

x=7 or x=-6

Let's solve your equation step-by-step.

0.25x2−0.25x−10.5=0

For this equation: a=0.25, b=-0.25, c=-10.5

0.25x2+−0.25x+−10.5=0

Step 1: Use quadratic formula with a=0.25, b=-0.25, c=-10.5.

x=

−b±√b2−4ac

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2(0.25)

x=

0.25±√10.5625

0.5

x=7,−6

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