A is true so sorry if im wrong
Answer:
73
Step-by-step explanation:
First, to get rid of the square root, square both sides of the equation to get:
y-9=64
Then, move 9 to the other side to get
y=73
When multiplying exponential terms with the same base, the exponents can be added:
3+-5
3-5
-2
5^-2
When raising a value to a negative exponent, it can be rewritten as a fraction. Therefore, the answer is:
1/5^2
Hope this helps!!
Answer:
Answer is 10,380
Step-by-step explanation:
If it's 2h53min, then there are 10,380 seconds.
500 students. if 200 students= 40% and you need to find the full 100% they you would add another 200 students or 40% and then you would add another 100 students or 20%. when you add all them up you get 40%+40%+20%= 100% and 200+200+100=500.