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murzikaleks [220]
3 years ago
9

Please help!!me don’t understand

Mathematics
2 answers:
mafiozo [28]3 years ago
7 0

Answer:

x=45

Step-by-step explanation:

the sum of straight angle=180

2x+45+x=180

3x=180-45

3x=135

x=135/3=45

Ratling [72]3 years ago
5 0

Answer:

45 degree

Step-by-step explanation:

Since it is an straight line it means all of the added angles together equal 180

2x+45+x=180

3x+45=180

3x=135

x=135/3

x=45

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Part C
mel-nik [20]

Answer:

  • Tamara needs to cover a total of <u>476</u> square feet.
  • Tamara <u>will</u> have enough material to cover all four walls.

Step-by-step explanation:

If the room dimensions are 8 1/3 feet by 11 1/2 feet, the perimeter length is ...

  P = 2(L+W) = 2(8 1/3 +11 1/2) = 2(19 5/6) = 39 2/3 feet

The area of the walls is the product of this perimeter length and the height of the wall. If that height is 12 feet, then the wall area is ...

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Tamara needs to cover a total of <u>476</u> square feet.

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If Tamara orders 480 square feet of material, ...

Tamara <u>will</u> have enough to cover all four walls.

6 0
3 years ago
What is the solution of the equation (x -- 5)2 + 3(x - 5) + 9 = 0? Use u substitution and the quadratic formula to solve
Westkost [7]

Answer:

so what I found is x= 16/5

6 0
3 years ago
A graph in which the frequency for each category of a quantitative variable is represented as a vertical column that touches the
Arturiano [62]

Answer:

Histogram.

Step-by-step explanation:

Such a Graph is called Histogram.

A histogram can be defined as a visual representation of data in form of bars of different heights. In histogram, each and every bar groups numbers into ranges. The greater the height of the bar, the larger the data falls into its range. It basically represents shape and spread of continuous data sample.

3 0
2 years ago
Death Valley in California is approximately 250 feet below sea level. Which of the following best describes the location of Deat
forsale [732]
+250 I am happy to help you
8 0
3 years ago
Read 2 more answers
A rectangular pyramid fits exactly on top of a rectangular prism. The prism has a length of 15 cm, a width of 5 cm, and a height
rodikova [14]

Answer:

D: 850 cm^3

Step-by-step explanation:

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Prism is 15*5*7 = 525

Pyramid is 15*5*13/3  = 325

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5 0
2 years ago
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