Answer: His average speed is 8 miles an hour
Step-by-step explanation: First, two halves make a whole, so we simply multiply how many miles he ran in half an hour by 2!
4 x 2 = 8
Hope this helps :)
A^7. "A" raised to the power of 7 would be the exponential form. hope this helps.
Answer:
65
73
Step-by-step explanation:
9^2 - 4^2
Exponents first
81 - 16
65
3^2 +8^2
Exponents first
9+64
73
The answer is 0.27. Divide 3/11 as it is.
Answer:
here is how you do it
Step-by-step explanation:
first you must solve 1% of 20 which is .2
then you solve for 10% which is 2
then you double it which is 4
so you would take 4 dollars of the original price
the cost is $16
