PLEASE HELP QUICK 20 POINTS. Please as quick as possible I should have the answer in3 hours THANKS

Mathematics

1 answer:

Airida [17]3 years ago

6 0

Answer:

18 gallons

Step-by-step explanation:

the tank capacity is :

$71.98 ÷ $3.98 = 18 gallons

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Please help! i don't know what to do, my formulas are not working for me. If anyone could please help i would really appreciate

Burka [1]

Answer:

The radius is r = 3 in,
The height is h = 4 in

The area of the base:

A(b) = πr² = π(3²) = 9π in²

The circumference of the base:

C = 2πr = 2π(3) = 6π in

The area of the lateral surface:

A(l) = Ch = 6π(4) = 24π in²

The surface area:

S = 2A(b) + A(l) = 2*9π + 24π = 42π in²

6 0

3 years ago

John bought a new home in 2002. The value of the home increases 4% each year. If the price of the house is $375,000 in 2020, how

skad [1K]

Using the formula of P(1 + r)^n = x where p represents the initial value, r represents the rate and n represents the number of years and x is our final output. We want to find P so we have to make it the subject of the equation.

1 + 0.04 = 1.04
1.04^18 = 2.025816515
Then divide the total amount by this to get 185,110.5454
Therefore the answer is $185,110.55

Hope this helps! :)

4 0

3 years ago

Item 16 A sphere has a radius of 8 centimeters. A second sphere has a radius of 2 centimeters. What is the difference of the vol

Zigmanuir [339]

Answer:

$672\pi \text{ cm}^3$ .

Step-by-step explanation:

We have been given that a sphere has a radius of 8 centimeters. A second sphere has a radius of 2 centimeters. We are asked to find the difference of the volumes of the spheres.

We will use volume formula of sphere to solve our given problem.

$\text{Volume of sphere}=\frac{4}{3}\pi r^3$ , where r is radius of sphere.