Answer:
Step-by-step explanation:
focus distance=9
a=2 f²=a²+b² ==> b²=9²-2²=77 ==> b=√77
Answer: He will have 3750 in 5 years.
Step-by-step explanation: You need to do 500x1.5x5=3750! 500 dollars is the amount in the account. 1.5 is the interest. 5 is the amount of years.
Answer:
256
Step-by-step explanation:
First, handle the exponent:
2²=4 (2*2=4) and 4³=64 (4*4=16*4=64)
Now multiply those two outcomes:
4*64=<u>256</u>
This equation is also known as 4⁴
Answer:
1 km
Step-by-step explanation:
if the distance between M and K is 2 km and the store is situated exactly in the middle between M and K then the distance to the store from either M or K is half the distance between the two points M and K and therefore 1 km
Answer:
Step-by-step explanation:
1/8 of the stones in Johnny's bowl are red and 5/6 of the stones are white.
The fraction of stones that are red or white is obtained by adding the fraction that are red with the fraction that are white. That is:
The fraction of the stones that are red or white is .