Answer:
x = 300 minutes
Step-by-step explanation:
20 + .15x = 35 + .10x
.05x = 15
Answer:
2 friends: 15 chocolate chip and 12 sugar cookies
3 friends: 10 chocolate chip and 8 sugar cookies
4 friends: 7.5 chocolate chip and 6 sugar cookies
5 friends: 6 chocolate chip and 4.8 sugar cookies
6 friends: 5 chocolate chip and 4 sugar cookies
Step-by-step explanation:
We need to find the difference first. 65 - 60 = 5. Now we must find what percent 5 is of 65. It is 7,7%. The number decreased, and so it is a 7,7% decrease.
Answer:
1350
Step-by-step explanation:
use binomial general term expression for (r+1)th term
get the power of x in terms of r.
equate the expression to -2 and solve for r.
replace value of r and calculate the coefficient.
Answer:
A = 63 m^2
Step-by-step explanation:
The area of a parallelogram is bh
A = bh
The base is 9 and the height is 7
A = 9*7
A = 63 m^2
