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katen-ka-za [31]
3 years ago
8

Find the value of x. Then find the measure of each labeled angle. Please show all work.

Mathematics
1 answer:
julia-pushkina [17]3 years ago
4 0

explanation :

2x+65 degrees +3x+40 degrees = 180 degrees

1st. collect the like terms. 3x+2x+40degrees+65degrees=5x+105degrees=180degrees.

2nd .work out .=5x=75degrees.x=15

use the value of x to find the others

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You need to establish _____ for how to judge a concept.
makvit [3.9K]

Answer:

Criteria.

Step-by-step explanation:

A series of criteria is a set of parameters established by whoever seeks to interpret a certain information or quantity of concepts, by means of which a set of interpretive rules is established that should be equal to all the concepts to be analyzed. Thus, the criteria allow a set of data to be analyzed under the same parameters or information processing requirements.

6 0
3 years ago
What is the approximate area of the shaded sector in the circle shown below?
viva [34]

Answer:

4.71

Step-by-step explanation:

Area of shaded sector formula: r2(data)(pi)/360

Substitute the info into the formula

3^{2} (60)(pi)/360

9(60)=540

540/360(pi)=4.71

Hope this helps! :)

8 0
3 years ago
Which choice is NOT a way to find 7 ÷ 3?<br> A- 1/3 of 7<br> B- 7 × 1/3<br> C- 1/7 of 3<br> D- 7/3
lutik1710 [3]
The answer is C) 1/7 of 3.
Because all others are correct and this one is incorrect.
4 0
3 years ago
Read 2 more answers
A box is in the shape of an equilateral triangular prism. if the box is to be covered with paper on its lateral sides, how many
Zarrin [17]

The total surface area of the triangular prism that has a height of h and the side length of a is given below.

\rm a(\dfrac{\sqrt3}{2} \ a + 3h)

<h3>What is a triangular prism?</h3>

A triangular prism is a closed solid that has two parallel triangular bases connected by a rectangle surface.

A box is in the shape of an equilateral triangular prism.

If the box is to be covered with paper on its lateral sides.

Let a be the side length of the equilateral triangle and h be the height of the prism.

Then the surface area of the triangular prism will be

Surface area = 2 × area of triangle + 3 × area of the rectangle

The area of the triangle will be

\rm Area\ of\ triangle = \dfrac{\sqrt{3}a^2}{4}

The area of the rectangle will be

\rm Area \ of \ rectangle = a \ h

Then the total surface area will be

\rm Surface\ area =  2 \times \dfrac{\sqrt3 a^2 }{4} + 3 ah\\\\\\Surface\ area =  a(\dfrac{\sqrt3}{2} \ a + 3h)

More about the triangular prism link is given below.

brainly.com/question/21308574

7 0
2 years ago
What needs to be corrected in this construction of a line parallel to AB passing through C?
monitta

Answer;

C) The second arc should be centered at C.

Explanation;

Assuming the goal is to construct a line parallel to AB that passes through given point C.

-Draw a line through C and across AB at an angle creating D.

- With the compass width about half of DC, and center D, draw the first arc to cross both lines.

-Using the same compass width , draw the second arc with center C.

-Then set the compass width to the lower arc (the first arc)

- Move the compass to the second arc. Mark off an arc to make point E

-Draw a straight line through C and E

Thus the line CE will be parallel to line AB

3 0
3 years ago
Read 2 more answers
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