Answer: 0.71428 or 5:7 or 5/7
Step-by-step explanation: just divide on a calculator
1. 7 + 15 + 12 + 5 + 5 + 10 = 54
54 x 2.5 = $135
The correct answer is $135
2. A^2 + 9^2 = 22^2
A^2 + 81 = 484
A^2 = 403
Square root of a and 403
A= 20.7
20.7 + 22 + 9 = 51.7
The correct answer is (3)
One hundred thirty five 13%
Answer:
<em>r=3x</em>
Step-by-step explanation:
<u>The Volume of a Cone</u>
The volume of a cone of radius r and height h is:

We are given the volume of a cone is

Equating:

Multiplying by 3:

Simplifying by pi:

Since h=x:

Dividing by x:

Taking square roots:

Thus: r=3x
Answer:
<h2>405</h2>
Step-by-step explanation:
The nth term of a geometric sequence is given by the formula

Given data
first term a1=5 and
common ratio r=-3
n= 5

The 5th term is 405