Answer:
b. 23.3
Step-by-step explanation:
1.(25)^2=x^2 + (9)^2
625= x^2 + 81
2. subtract 81
544= x^2
x= 23.3
6 quarters and 7 half dollars
6(.25)=1.5
7(.5)=3.5
1.5+3.5=5
20 or 550 tickets were sold to the Spring Fling dance.
Answer:
y = 50
Step-by-step explanation:
y / 5 = 10
Multiply each side by 5
y/5*5 = 10*5
y = 50
The sequence 20 , 11 , 2 , -7 is an arithmetic sequence.
The common difference is (20 - 11) = (11 - 2) = (2 - -7) = 9
The common difference is 9.