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kvasek [131]
3 years ago
5

Please help ASAP 40 pts

Mathematics
2 answers:
Ne4ueva [31]3 years ago
4 0

Answer:

The answer to your question is   x = 50

Step-by-step explanation:

Data

Equilateral triangle

∠C = x + 10

Process

To solve this problem we must consider these facts about triangles

- The sum of the internal angles in a triangle equals 180°

- All the angles in an equilateral triangle measures the same,

Equations

                    ∠A + ∠B + ∠C = 180°

but

                    ∠C + ∠C + ∠C = 180°

-Simplification

                                    3∠C = 180°

-Substitution

                                3(x + 10) = 180°

-Expand

                                3x + 30 = 180°

-Solve for x

                                3x = 180 - 30

                                3x = 150

                                  x = 150/3

                                  x = 50

kobusy [5.1K]3 years ago
3 0

Answer:

50

Step-by-step explanation:

Equilateral triangles have angles that all measure the same

180/3 = 60

so all angles measure 60

<c = 60

60 = x+10

Subtract 10 from each side

60-10 = x+10-10

x=50

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Setler79 [48]
Minus the 10 from the 50, which makes 40. then divide 40 by 8
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3 0
3 years ago
CAN SOMEONE HELP ME!!!!!!!!!!!!!!!
Crazy boy [7]

Answer: 150 min

Step-by-step explanation:

2 hours = 120 min, 120 + 30 min = 150 min

3 0
3 years ago
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71 dvided by 50 in decimals
QveST [7]

Answer:

1.42

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Step-by-step explanation:

6 0
2 years ago
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90. Find 33.3% of 81.
Vinvika [58]
33.3% x 81
0.333 x 81
=26.973 answer
3 0
2 years ago
25.
bulgar [2K]

Using the slope concept, it is found that the angle between the ladder and the floor will be of 33.69º.

<h3>What is a slope?</h3>

The slope is given by the <u>vertical change divided by the horizontal change</u>, and it's also the tangent of the angle of depression.

In this problem, we have that:

  • The angle is of 45º.
  • The vertical distance is the height of h.
  • The horizontal distance is of 3m.

Hence:

tan(45º) = h/3.

1 = h/3.

h = 3 m.

If the ladder slides 1 m down, the height will be of 2m, hence the angle will be given as follows:

\tan{\theta} = \frac{2}{3}

\theta = \arctan{\left(\frac{2}{3}\right)}

\theta = 33.69^\circ

More can be learned about the slope concept at brainly.com/question/18090623

#SPJ1

8 0
1 year ago
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