Answer:
$16.80
Step-by-step explanation:
This is because $21 times .20 is $4.2.
$21-$4.2= $16.80.
For #2 just do Pythagorean theorem. That is 5²+h²=10²
25+h²=100
h²=75
h=sqrt(75)
Use a calculator to approximate the height
And I think it is irrational because square roots are not exact rational numbers
Answer:
512
Step-by-step explanation:
The sequence is doing the number times 2, so 4 times 2 equals 8,
8 x 2 = 16, ect
If you do this enough, you will get 512 as the 8th term.
7/24 would be ur answer...........hope its right!!!