Answer:
a=7
Step-by-step explanation:
-52 = -17 -5a
Add 17 to each side
-52+17 = -17-5a+17
-35 = -5a
Divide by -5
-35/-5 = -5a/-5
7=a
Answer:
she will see 108 humming birds
Step-by-step explanation:
30x6= 180
so mutiply how many times she sees one in a month by 6
Answer:
60
Step-by-step explanation:
Steps to solve "54 is 90 percent of what number?"
We have, 90% × x = 54
or,
90/100 × x = 54
Multiplying both sides by 100 and dividing both sides by 90,
we have x = 54 × 100/90
x = 60
If you are using a calculator, simply enter 54×100÷90, which will give you the answer.
Find the average of those numbers, add all the divide by 5
Answer:
C
Step-by-step explanation:
For f(x) to be odd then f(- x) = - f(x)
determine whether
9 - 4(- x)² is equivalent to - (9 - 4x²) → C
