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Allushta [10]
3 years ago
7

One side of a triangle is 13 feet shorter than the second side. The third side is 1 feet longer than the second side. The perime

ter of a triangle is 45 feet. Find the length of each side
Mathematics
1 answer:
Papessa [141]3 years ago
4 0

Answer:

let second side be x

then first side = x-13

third side= x+1

now

perimeter of triangle = 45

x-13+x+x+1=45

3x=57

x=19

first side = x-13= 19-13=6

third side= x+1=19+1=20

Step-by-step explanation:

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620 + 107 round estimate the sum
Westkost [7]
Okay. 

 620 would be rounded estimate to 600

& 

107 would be rounded estimate to 100 


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3 years ago
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A princess is standing 38 feet from the base of a 217 foot tall tower. What is the angle of elevation from him to the ogre who h
joja [24]

Answer:

Angle of elevation = 80°

Step-by-step explanation:

A princess is standing 38 feet from the base of a 217 foot tall tower. What is the angle of elevation from him to the ogre who has his princess held captive?

To solve for angle of elevation, we use the Trigonometric function of Tangent.

tan θ = Opposite side/Adjacent side

Opposite side = Height of the tower = 217 ft

Adjacent side = 38ft

tan θ = 217/38

tan θ = 5.6315789474

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Approximately = 80°

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3 years ago
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Svetach [21]

Answer:

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4 0
3 years ago
Half an avocado has about 160 calories. how many calories do a dozen avocado have
deff fn [24]
160 * 2 = 320 * 12 = 

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<em><u>I hope this helped!</u></em>
5 0
4 years ago
Read 2 more answers
1. 3x + y = 11<br> 5x - y = 21
sergeinik [125]

Answer:

[4, -1]

Step-by-step explanation:

Using the Elimination Method:

3x + y = 11

5x - y = 21

__________

8x = 32

__ ___

8 8

x = 4 [Plug this back into both equations to get the y-coordinate of -1]; -1 = y

The <em>y</em>'s are already <em>additive</em><em> </em><em>inverses</em><em> </em>[result in 0], canceling each other out.

I am joyous to assist you anytime.

4 0
3 years ago
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