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Eduardwww [97]
2 years ago
15

5. (09.06 MC)

Mathematics
1 answer:
polet [3.4K]2 years ago
5 0

Answer:

12.566

Step-by-step explanation:

A = ∫1/2(r)^2dtheta from a - b = 0 to 2π

∫1/2(sin^2theta-4sintheta+4)dtheta

[9/4theta+2costheta-1/8sin2theta] from 0 to 2π…

when you solve this you get 14.137 without taking out the cos(2theta+3)

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In this rectangular box, E F = 16, FD = 5, and DB = 30. Find A F.
DENIUS [597]
A F is 309. 16 + 5 + 30 = 51. 360 - 51 = 309

Hope this helped :D
7 0
3 years ago
Simplify the expression by combing all like terms x +2 + x + 2 + x
sergeinik [125]

Answer:

4 + 3x

Step-by-step explanation:

2 + 2 = 4

Add the three x's together and you get 3x!

Hope this helps! ^^

5 0
3 years ago
Read 2 more answers
-4x-7-3x+4=25<br><img src="https://tex.z-dn.net/?f=what%20is%20-%204x%20-%207%20-%203x%20%2B%204%20%3D%2025%20" id="TexFormula1"
kodGreya [7K]
Hi I don’t really understand can you explain a little bit please
8 0
2 years ago
I dont understand this helpppp​
RSB [31]

The answer is30 cubic inches

5 0
3 years ago
8. The volume of the pyramid is 168 cubic inches. Find the length of the rectangular base. (3pts)7 inI8 in.
olya-2409 [2.1K]

The length of the rectangular base is 9in

<h3>How to determine the value</h3>

It is important to note that the formula for determining the volume of a pyramid with rectangular base is expressed as;

Volume = lwh/3

Where;

  • l is the length of the rectangular base of the pyramid
  • w is the width of the rectangular base of the pyramid
  • h is the height of the rectangular base of the pyramid

Given the value of the volume, width an height of the pyramid as 168, 7 and 8, we substitute the values, we have;

168 = l × 7 × 8/ 3

cross multiply

l × 7 × 8 = 168(3)

Find the product

56l = 504

To determine the length, divide both sides by 56, we get;

l = 504/ 56

l = 9In

Hence, the value is 9in

Learn more about volume here:

brainly.com/question/463363

#SPJ1

5 0
1 year ago
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