Answer:
D.(1,1)
Step-by-step explanation:
Just plug in each pair of values in the multiple choice answers for x and y.
If we plug in (1,1)
The equation is
4(1) +5(1) ≤ 20
4+5≤ 20
9≤ 20
Since 9 is less than 20 we know statement is true, so we know (1,1) is a solution.
If we were to plug in any other choice like (0,5), the right side of the equation would be greater than 20 and the statement would not be true.
Answer:
20 % decay
Step-by-step explanation:
Exponential equations are in the form
y = a * b^x
a is the initial value
b is the growth or decay
b>1 is growth b-1 rate of growth
b <1 decay 1-b rate of decay
1-.8 = .2
Change to decimal form
20 % decay
ensure all fractions have the same denominator
we require - = -
thus - - -
take out a common factor
= (- 7 - 4 - 5 )
= × - 16 = - 1
You will know if a number is divisible by 11 if it has 2 of the same digits in one number.
EXAMPLE
1 - 22 divided by 11 = 2
2 - 33 divided by 11 = 3
3 - 44 divided by 11 = 4
And so on and so forth, I HOPE THIS HELPS!
Answer:
x^2 +20x+100
Step-by-step explanation:
(x+10)^2
(x+10) (x+10)
FOIL
first:x*x = x^2
outer: x*10
Inner 10*x
last: 10*10 =100
Add them together
x^2+10x+10x+100
x^2 +20x+100