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ziro4ka [17]
3 years ago
11

(8n^2+4n^4)+(7n^3-4n^4)

Mathematics
1 answer:
Lina20 [59]3 years ago
4 0

Answer:

8n^2+7n^3

Step-by-step explanation:

8n^2+4n^4+7n^3-4n^4

=8n^2+7n^3

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If the ratio of three angles of a triangle is 2:3:4 find the size of the largest angle​
Murljashka [212]
Answer: 80°

Step-by-Step Explanation:

By Angle Sum Property of a Triangle, all angles in a Triangle add up to 180°

Finding the Value of ‘x’ :-

2x + 3x + 4x = 180
5x + 4x = 180
9x = 180
x = 180/9
=> x = 20

Finding each Angle :-

2x = 2(20) = 2 * 20 = 40°
3x = 3(20) = 3 * 20 = 60°
4x = 4(20) = 4 * 20 = 80°

Hence, the Largest Angle is 80°
3 0
1 year ago
<img src="https://tex.z-dn.net/?f=Determine%20the%20unknown%20quantity.%20Show%20your%20work.8%201%2F2%20over%203%202%2F3%20%3D%
san4es73 [151]

um approximatly 0.34519202904

5 0
2 years ago
Read 2 more answers
A flagpole has a height of 10 yards. It will be supported by 3 cables, each of which is attached to the flagpole at a point 4 ya
Contact [7]
Pytagorean theorem

height10
attached at 10-4=6 yards from bottom
8 yards from base to away


a^2+b^2=c^2
a and b are side legnths and c=hypotonuse
so therfore we are given a and b and we must solve for c


so
6=height
8=base

6^2+8^2=c^2
36+64=c^2
100=c^2
square root
10=c

so therfor the legnth of each cable is 10 yards
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30 yards needed

7 0
2 years ago
15 miles in 20 minutes what is the speed in miles per hour
Readme [11.4K]

15 / 20 = 0.75. The answer is 0.75

8 0
2 years ago
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What is the solution to the following inequality?
mote1985 [20]

Answer:

x > - 8

Step-by-step explanation:

- 4 ( x - 4 ) < - x + 40

- 4x + 16 < - x + 40

+ 16 - 40 < - x + 4x

- 24 < 3x

3x > - 24

x > - 24 / 3

x > - 8

4 0
2 years ago
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