<span>The wheel has a radius of 50 feet and makes 3 revolutions per minute. ... a wheel with diameter 40 cm makes 50 <span>revolutions </span></span>
Answer:
25 minutes
Step-by-step explanation:
Our proportion should look like this:
=
Then we have to cross-multiply to find our variable. Our equation will look like this:
2x=50
Divide 2 on both sides to get <u>25 minutes</u>.
Answer:
explanation
Step-by-step explanation:
8. well each time, the number is going up by 6 per every 1 right? so the rate would be 1:6 type thing.
10. now this one is going down 1000 every 2 minutes. so the rate would be 2—1000, or 1:-500.
this is just written out ones to make it look like it makes sense...
8. 1 to 6
10. 1 to -500
520miles/ 1.3 hours = x miles/ 1 hour. 520(1) divided by 1.3 = 400mph