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
Answer:
34⁰
Step-by-step explanation:
let unknown angle be x
cos x=19/23
cos x=0.826
x=cos inverse of 0.826
x=34.3⁰
Answer:
1 and 1/16 gallons
Step-by-step explanation:
Answer:
Range: 28
Mean: 12
Step-by-step explanation:
First line the numbers from small to big: 4, 6, 8, 8, 14, 32
Range is biggest minus smallest number
Mean is just the average: all the numbers' sum divided by the number of numbers
Hope this helps! ;)