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xxTIMURxx [149]
3 years ago
6

11. You are asked to put a V-shaped roof on a house. The slope of the roof is 53°. What is the measure of the angle needed at th

e vertex of the roof? (Hint: You are given the base angles, and you need to find the vertex angle.)
Mathematics
2 answers:
pochemuha3 years ago
7 0
X=missing angle

53(2)+x=180

106+x=180

180-106= 74

The vertex angle is 74. 
Anestetic [448]3 years ago
4 0
The question said that it told you the base angles. A roof would have two equal base angles. The base angles= 53

All the angles of a triangle each 180, (the roof is shaped like a triangle)

So, let's make x the missing angle.

53(2)+x=180

106+x=180

Subtract 106 on both sides.

180-106= 74

The vertex angle is 74.

I hope this helps!
~cupcake
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Kendra owns a restaurant. She charges $3.00 for 2 eggs and one piece of toast, and $1.80 for one egg and one piece of toast. How
34kurt
Assume E represents the cost of an egg and T represents the cost of one piece of toast.

We can construct two equations :
2E + T = $3.00 - - - - - (a)
E + T = $1.80 - - - - - (b)

Subtract equation b from a:
E = $1.20 (The price of one egg)

To find out the price of one piece of toast, replace the price of one egg in equation b:
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Hope that helps you

7 0
3 years ago
Help asappppp tyyy ​
True [87]

Given:

Compound shape

To find:

The area of the compound shape.

Solution:

The compound shape is splitted into two parallelograms.

<u>Bottom parallelogram:</u>

Base = 7.5 cm

Height = 5 cm

Area of the parallelogram = base × height

                                           = 7.5 × 5

                                           = 37.5 cm²

The area of the Bottom parallelogram 37.5 cm².

<u>Top parallelogram:</u>

Base = 7.5 cm

Height = 4.5 cm

Area of the parallelogram = base × height

                                           = 7.5 × 4.5

                                           = 33.75 cm²

The area of the top parallelogram 33.75 cm².

Compound shape = 37.5 + 33.75

                               = 71.25 cm²

The area of the compound shape is 71.25 cm².

7 0
3 years ago
Which function is graphed on the coordinate plane below?
liq [111]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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3 0
2 years ago
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Dafna11 [192]

Answer:

Step-by-step explanation:

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Minimum value, when  cos x = -1:

= -2  + 4(-1) = -6.

4 0
3 years ago
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