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MakcuM [25]
1 year ago
8

Explanation? please help asap

Mathematics
1 answer:
elena-s [515]1 year ago
4 0

Answer:

70 degrees = a

Step-by-step explanation:

Triangle= 180 degrees.

Therefore, since a and the unmarked angle are congruent since it is an isosceles triangle, we subtract 40 from 180, with a result of 140. With 140, we divide by 2 to find the degrees for both the unmarked angle and angle a, since they are congruent. 140/2 = 70, Angle A will equal to 70 degrees

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Plzzz help me I am timed plz
myrzilka [38]

Answer:

The first option

8 0
3 years ago
Select the correct answer.
9966 [12]

Answer:

C

Step-by-step explanation:

Because c has the variables in the right spot and the other ones don't make scene

7 0
3 years ago
Solve for a 4/a+4= -1/a+9
Karolina [17]

Answer:

a = -8

Step-by-step explanation:

4/a + 4 = -1/a + 9

-1(a + 4) = 4(a + 9)

-1a - 4 = 4a + 36

-5a - 4 = 36

-5a = 40

a = -8

7 0
3 years ago
What are the values of x and y. In the given figure?
anyanavicka [17]

Answer:

y = 52 degrees

x = 7 degrees

Step-by-step explanation:

Hello! So, we can first easily find out the measurement of y because of the Base Angles Theorem.

[ The base angles theorem converse states if two angles in a triangle are congruent, then the sides opposite those angles are also congruent. The Isosceles Triangle Theorem states that the perpendicular bisector of the base of an isosceles triangle is also the angle bisector of the vertex angle. ]

- www.ck12.org

So basically, in an iscoceles triangle, the base angles are equal so therefore, y = 52 degrees

Now we have to solve for x. We know that the sum of the angles in a triangle are 180 so we have to make an equation:

52 + y = 14x + 6 {<em>We know that y is 52 degrees so we should plug that in</em>}

52 + 52 = 14x + 6 --> Now we should simplify:

104 = 14x + 6

98 = 14x

x = 7 degrees

6 0
3 years ago
Read 2 more answers
Who can explain how to do this problem -6x-12+8y+16x
Paul [167]

Answer: =10x+8y−12


Step-by-step explanation:

Let's simplify step-by-step.

−6x−12+8y+16x

=−6x+−12+8y+16x

Combine Like Terms:

=−6x+−12+8y+16x

=(−6x+16x)+(8y)+(−12)

=10x+8y+−12

Answer:

=10x+8y−12

3 0
3 years ago
Read 2 more answers
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