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2 years ago

What is the shortest possible perimeter for an arrangement with an area of 15 square feet

Mathematics

2 answers:

lesya692 [45]2 years ago

6 0

Answer:

Step-by-step explanation:

t7lu78o78

lora16 [44]2 years ago

3 0

Answer:

You're doing i-ready huh?

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The otherSites Squared10.A cylinder has a diameter of 12 meters and a height of 9 meters. What is thetotal surface area of the c

Gelneren [198K]

The total surface area of a cylinder is given by the formula

$\begin{gathered} A_{cylinder}=2circular\text{ area+curved surface area} \\ =2\pi r^2+2\pi rh \end{gathered}$

Given diameter, d=12meters, we will solve for radius

$\begin{gathered} \text{diameter,d}=2\times radius,r \\ d=2r \\ r=\frac{d}{2} \\ r=\frac{12m}{2} \\ r=6m \end{gathered}$

The height is given as 9meters

Substituting for r and h in the formula will give

$\begin{gathered} A_{cylinder}=2\pi r^2+2\pi rh \\ r=6m;h=9m;\pi=3.14 \\ A_{cylinder}=2\times3.14\times6^2+2\times3.14\times6\times9_{} \end{gathered}$ $\begin{gathered} A_{cylinder}=6.28\times36+6.28\times54 \\ =226.08+339.12 \\ =565.2m^2 \end{gathered}$

Hence the surface area of the cylinder is 565.2m²

8 0

10 months ago

A cylindrical gasoline tank is 50 ft high and has diameter 70 ft. How many gallons of gasoline will the tank hold if there are 7

Schach [20]

You add 70 + 50 then you multiply it by 7.5 and you get, 900 gallons.

4 0

3 years ago

Use the FOIL method to find the product below.

Aleks04 [339]

Answer:

work is pictured and shown

8 0

2 years ago

There are approximately 3.2

gladu [14]

So, using the number 3,200,000 deaths per year, you want to divide it until it reaches deaths per minute.
3,200,000 divided by 365 (for days)
8767.123 divided by 24 (for hours)
365.297 divided by 60 (for minutes)
and so you get
6.088 deaths per minute

Hope this helped.

8 0

3 years ago

All of the following are equivalent except<br> 7x2<br> 4x+3x<br> (4+3)x<br> 7x

swat32

Answer:

7x2

Step-by-step explanation:

7x2 is 14 and all the other ones equal 7

6 0

3 years ago

Read 2 more answers