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nikdorinn [45]
3 years ago
6

Find the value of x. Then the measure of each angle

Mathematics
1 answer:
Shtirlitz [24]3 years ago
4 0
The interior angles of a triangle must add to 180 degrees.

110+5x+2x=180
110+7x=180
7x=70
x=10

Then plug in the x value into each angle expression
5(10)=50 degrees
2(10)=20 degrees
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What is the slope of the line through the points (-3, -5) and (-4, -2)
Ede4ka [16]

Answer:

slope= -3

Step-by-step explanation:

the slope formula is \frac{y_{2} -y_{1} }{x_{2} -x_{1} }

plug in your numbers: \frac{(-2)-(-5)}{(-4)-(-3)}

solve:\frac{3}{-1}

simplify: -3

5 0
3 years ago
Determine the total surface area of each right triangle-based prism
levacccp [35]

Answer:

  • small prism: 630 m²
  • large prism: 2520 m²

Step-by-step explanation:

The total surface area of the prism is the sum of the base area and the lateral area. The base area is made up of two right triangles, so will be the product of the triangle leg dimensions. The lateral area is made up of three rectangles whose width is that of the prism and whose equivalent length is the perimeter of the triangle base.

For the smaller prism, the area is ...

  (20 m)(21 m) +(3 m)(20 m + 21 m + 29 m) = 420 m² +210 m² = 630 m²

The larger prism is similar, with a scale factor of 2, so its area will be 2² = 4 times that of the smaller prism:

  4×630 m² = 2520 m²

__

In summary, the total surface area of each prism is ...

  • small prism: 630 m²
  • large prism: 2520 m²
8 0
3 years ago
if the markup formula is 40percent of cost and the selling price is 49.99what is the cost/ a 31.76 b 33.33 c 34.33 d 35.71
NNADVOKAT [17]
An item, x, is marked up 40% and now costs $49.99
40% is 0.40
1 times any number will be the same number so we'll use that to add on the original price to the amount of increase
(1+0.40)x=49.99
x=49.99/1.4
x=35.71 so D is the answer
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3 years ago
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Rina8888 [55]

Answer: Its spring break relax PLS

Step-by-step explanation:

4 0
3 years ago
this year Martin income is 1/4 greater than his income from last year. If s represents his income from last year, what is his in
liberstina [14]

Answer:

1

Step-by-step explanation:

:)

6 0
3 years ago
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