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KATRIN_1 [288]
3 years ago
13

What is the length of AC?

Mathematics
1 answer:
natima [27]3 years ago
3 0

7/x = 84 / (156 -x)
84x = 7(156 -x)
84x = 1092 - 7x
91x = 1092
x = 12

AC = 156 - 12 = 144

answer
D. 144
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In triangle ABC, the measure of angle B is 34° more than three times the measure of angle A. The measure of angle C is 56° more
NemiM [27]

Answer:

A = 18

B = 88

C = 74

Step-by-step explanation:

Givens

B = 3*A + 34

C = A + 56

Equation

A + B + C = 180

Solution

A + 3A + 34 + A +56 = 180   Collect like terms

5A + 90 = 180                  Subtract 90 from both sides

5A = 180 - 90

5A = 90                            Divide by 4

A = 90 / 5

A = 18

Answer

B = 18*3 + 34 = 54 + 34 = 88

C = 74

Check

A + B + C = 18 + 88 + 74

A + B + C = 180 as it should.

3 0
2 years ago
A movie theater charges $5 for an adult’s ticket and $2 for a child’s ticket. one saturday, the theater sold 785 tickets for $32
laila [671]
They sold 570 adult tickets and 215 child tickets.
6 0
2 years ago
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Simplify the expression<br> 65-4^2 (10-2)+37 <br> please show all work
BartSMP [9]

Hello there!

65-4^2 (10-2)+37 \\

Explanation:

↓↓↓↓↓↓↓↓↓↓↓↓↓

I gave you a hint.

You had to used PEMDAS.

P-Parenthesis

E-Exponents

M-Multiply

D-Divide

A-Add

S-Subtract

First you had to calculate with parenthesis first.

65-4^2(10-2)+37

65-4^2*8+37

Then you calculate with exponents.

4^2=4*4=16

65-16*8+37

You had to multiply and divide you had go to left to right.

16*8=128

65-128+37

Then you add or subtract you had go to left to right.

65-128+37=-26

=-26

Answer⇒⇒⇒⇒⇒⇒=-26

Hope this helps!

Thank you for posting your question at here on Brainly.

Have a great day!

-Charlie

6 0
3 years ago
A. Find value of x and KL if K is between J and L.
MrRa [10]

Answer:

x=3

Step-by-step explanation:

If k is between J and L, then

JK + KL = JL

2x+11 + (3x) = 13x-13

Combine like terms

5x +11 = 13x -13

Subtract 5x from each side

5x-5x+11 = 13x-5x-13

11 = 8x-13

Add 13 to each side

11+13 = 8x-13+13

24 = 8x

Divide by 8

24/8 = 8x/8

3 =x

8 0
3 years ago
The angle measures of a triangle are (6x + 6)°, (8x - 8)°, and (12x)°. The triangle can be classified as?
Aleks [24]

Answer:

Acute triangle

Step-by-step explanation:

If you add up are those angle equations, set it equal to 0, 26x - 2 = 180, you get x = 7/ Plug that back into each equation, and you realize none of the angles are more than 90. This makes it an acute triangle.

8 0
3 years ago
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