Answer:
43 minutes
Step-by-step explanation:
- <em>Let cycling speed be x and driving speed be y</em>
<u>Equations as per given, considering same distance in both cases:</u>
- 19x + 8y = 13x + 10y
- 19x - 13x = 10y - 8y
- 6x = 2y
- 3x = y
We see that driving speed is 3 times greater than cycling speed
Then 8 minutes driving = 8*3= 24 minutes of cycling, or 10 minutes of driving = 10*3= 30 minutes of cycling:
- 19 + 24 = 43 minutes or
- 13 + 10*3 = 43 minutes is the time to cycle between A and B
Answer:
1000
Step-by-step explanation:
Round the 6 in 600, this is 1 significant figure.6 rounds up to 10 making 1000
Answer:
You could multiply 21*21=441 if its a square
Step-by-step explanation:
Answer:
There's only one triangle, so Ill work with that.
A formula for a triangle is 30 x 75 x 1/2.
You can first multiply 30 and 75, or you can first use the 1/2 on 30.
15 x 75 = 1125
A: 1125.
Hoped this helped.
