30x0.3=9
9 students play in the school band.
(0.3 is 30% in decimal form)
This one is for number 26
Complete question:
what is the answer to 22 +10x = 0
Answer:
the value of x is -2.2
Step-by-step explanation:
Given;
22 +10x = 0
collect like terms
10x = 0 - 22
10x = -22
divide both sides by 10
Therefore, the value of x is -2.2
We have two congruent trapezoids.
The formula of an area of a trapezoid:
We have:
Substitute:
Answer: