Answer:
3
Step-by-step explanation:
(20a - 1) ÷ b
a = 2
b = 13
(20(2) - 1) ÷ 13
(40-1)÷13
39÷ 13
= 3
Answer:
it's a linear
since when you expand the equation (x+1)(8x-8) the x is equal to zero which is left for y to be the subject
8x²-24= y
Answer:
40% less
Step-by-step explanation:
12 lb is 8 lb less than 20 lb.
-8 lb
----------- = -0.4
20 lb
Multiplying this result by 100%, we get -40%.
This year's turkey was 40% less than last year's.
Answer:
After 7 hours will be 1.95489493x10^12 viruses
Step-by-step explanation:
If the virus spread with 19% per hour after one hour it will increase 57 and continue in the 300+((300*0.19)^7) form, we just need to caculate the form
Answer: Rational "yes"
Step-by-step explanation: The square root of 25 is indeed a rational number. Rational numbers are numbers. The square root of 25 is a perfect square which means that it has a number that can be multiplied by itself which gives us 25.
In this case, the number is 5 so yes, it's rational.
