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pashok25 [27]
3 years ago
10

cylinder a has a radius of 2 inches and a height of 2 inches. cylinder b has a radius of 2 inches and a height of 4 inches. calc

ulate the surface area for both cylinders.
Mathematics
1 answer:
Step2247 [10]3 years ago
6 0
Surface area of cylinder = 2πrh + 2πr^2

SA for cylinder A = 2π x 2 x 2 + 2π x (2)^2 = 8π + 8π = 16π
SA for cylinder B = 2π x 2 x 4 + 2π x (2)^2 = 16π + 8π = 24π
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A corporate team-building event costs $19plus an additional $1 per attendee. How many attendees can there be, at most, if the bu
Mars2501 [29]

Answer:

There can be at most 12 attendees in a corporate team-building event.

Step-by-step explanation:

Let x denotes number of attendees in a corporate team-building event.

Fixed cost = $19

Cost charged per attendee = $1

Budget for the corporate team-building event = $31

Therefore,

19+1(x)\leq 31\\19+x\leq 31\\x\leq 31-19\\x\leq 12

So, there can be at most 12 attendees in a corporate team-building event.

8 0
3 years ago
The length of a rectangle is twice its width. The perimeter is 60 ft. Find its area.In the form of a paragraph, explain in compl
Vika [28.1K]

Set the following: Length = L    Width = W

The length is twice the width:    L = 2*W     or:  W = L/2

Perimeter: P = 60ft = 2*L + 2*W

Substituting L for W in the perimeter equation gives:

P = 60ft = 2*L + 2*(L/2) = 2*L + L = 3L

L = 60ft/3 = 20ft    W=L/2=20ft/2=10ft

Verify result:  Perimeter= P = 60ft = 2L + 2W = 2*20ft +2*10ft = 40ft+20ft = 60ft

The area of the rectangular is: Area = A = Length*Width = L*W = 20ft*10ft = 200 (ft)^2

-Mabel <3

7 0
3 years ago
A = 1/2 (18 + 6) * 8
CaHeK987 [17]

Answer:

a+ 96

Step-by-step explanation:

A= (1/2*18 + 1/2*6) *8

A= (9 + 3) * 8

A= 12 * 8

A= 96

8 0
3 years ago
Solve for x to the nearest hundredth<br> 3^x=38
joja [24]

Answer:

<h2>The value of x is 3.31 to the nearest hundredth</h2>

Step-by-step explanation:

Given the equation 3^{x} = 38, to calculate the value of x the following steps must be carried out;

Step 1;

Take the natural logarithm of both sides

ln3^{x}=ln38\\ xln3 = ln38

Step 2;

Divide both sides by ln3

xln3/ln3=ln38/ln3\\x=ln38/ln3\\x=3.31

The value of x is 3.31 to the nearest hundredth

6 0
4 years ago
How to solve 1 1/2=3x and 45 1/2=14x
valentinak56 [21]

Answer:

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Step-by-step explanation:

6 0
3 years ago
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