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alexgriva [62]
3 years ago
5

Need help with questions 2. and 3.

Mathematics
1 answer:
emmainna [20.7K]3 years ago
5 0

9514 1404 393

Answer:

  2)  x = 7

  3)  x = 5

Step-by-step explanation:

When a transversal crosses parallel lines, all of the acute angles are congruent, and all of the obtuse angles are congruent. When it crosses at right angle, all of the angles are right angles.

2) All of the angles are right angles.

  11x +13 = 90

  11x = 77 . . . . . . subtract 13

  x = 7 . . . . . . . divide by 11

__

3) The two marked angles are acute.

  16x = 80 . . . . the acute angles are congruent

  x = 5 . . . . . . divide by 16

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Of all rectangles with a perimeter of 29, which one has the maximum area? (Give the dimensions) The rectangle that has the maxim
SashulF [63]

Answer:

Both length and width of 7.25m

Step-by-step explanation:

Let L and W be the length and width of the rectangle, respectively. Since the perimeter is 29, we have the following equation

(L + W)2 = 29

L + W = 29/2 = 14.5

L = 14.5 - W

Also the area of the rectangle would be as the following:

A = LW = W(14.5 - W) = 14.5W - W^2

To find the maximum area possible, we can take the first derivative and set it to 0

A' = 14.5 - 2W = 0

2W = 14.5

W = 14.5 / 2 = 7.25m

L = 14.5 - W = 14.5 - 7.25 = 7.25m

4 0
4 years ago
Solve for x <br> 9x - 1 = -11
emmasim [6.3K]
X= -1.1/9 thats the answer

3 0
3 years ago
Read 2 more answers
3√x -6=0 <br><img src="https://tex.z-dn.net/?f=3%20%5Csqrt%7Bx%20%7D%20%20-%206%20%3D%200" id="TexFormula1" title="3 \sqrt{x }
Anna71 [15]
x=4

Add Six to both sides and get 3<span>√x-6+6=0+6

Divide both sides by 3 and get x</span><span>√2
</span><span>
Solve the square root and get x=2^2

Square both sides and get x=4 

Plug in and get </span><span>3√x -6=0 
</span>
Hope it helps

3 0
4 years ago
Solve for h(2) h(t) = t2 − t + 7
zubka84 [21]

if h(t) = t² - t +7

h(2) = -5

I hope it helps

4 0
3 years ago
What is the best approximation for √29? 5 5.2 5.9 6
Helen [10]

Answer:

Hello, Brainly users, hi hows your day going. Great. Yeah thanks for asking. Anyway, the answer is 5.2.

Step-by-step explanation:

Will provide step-by-step explanation as to how I figured it out if I can get brainliest *HINT HINT*. Have a good day. And keep good vibes amid the pandemic

:D

3 0
3 years ago
Read 2 more answers
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