PLEASE HELP!!! I HAVE A TEST!!!
121 is 55% of what number?
C. 66.55
Estimating the area:

Calculating wallpaper:

we round up here because they will need a full roll to complete the room. Since they can't buy 7.92 rolls, they must buy 8.
Calculating cost:
X = arcsin (1/2) = 30 degrees
(A) The formula for nth bounce is
.
(B) 4.43 feet is the maximum height of the ball on the 6th bounce.
<h3>What is an algebraic expression?</h3>
An algebraic expression is consists of variables, numbers with various mathematical operations,
Given that,
The height from where the ball is dropped = 20 feet.
Also, the ball bounces and returns to 7/9 to its original height.
(A)
The representation of the maximum height of the ball on the nth bounce can be given as

(B)
The maximum height of the ball on the 6th bounce = 20 (7/9)⁶ = 4.43 feet
To know more about Algebraic expression on:
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