Answer:
d=19.6 km,r=9.8 km
Step-by-step explanation:
USE equation for C
C=2rπ
19.6π=2rπ
19.6=2r
d=19.6 km
r=9.8 km
Answer:
1/11
Step-by-step explanation:
<u>Step 1: Find the total</u>
51 + 5 + 6 + 2 + 2
66
<u>Step 2: Find the probability</u>
6 / 66
(6/6) / (66/6)
1/11
Answer: 1/11
2x+9=6x+7. 2x+2=6x. 2=4x. X=1/2 a year
Answer: 4.5×10^9
Step-by-step explanation:
Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the
10
10
. The sign of the exponent will depend on the direction you are moving the decimal.
4.5
×10
9
