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goblinko [34]
3 years ago
8

If m<ABF=(7x+20)°,m<FBC=(2x-5)°,and m<ABC=159°, find the value of x​

Mathematics
1 answer:
Bond [772]3 years ago
5 0

Answer:

x = 16

Step-by-step explanation:

∠ ABF + ∠ FBC = ∠ ABC , substitute values

7x + 20 + 2x - 5 = 159 , that is

9x + 15 = 159 ( subtract 15 from both sides )

9x = 144 ( divide both sides by 9 )

x = 16

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A used car can be purchased by paying $1000 down at the time of purchase, and then paying $200 per month for 25 months. Write an
IgorLugansk [536]

Answer:

2 years and 1 month

Step-by-step explanation:

6 0
3 years ago
-4 (2x + 13) + 3x = 80<br> How do you solve this out and get the answer
shusha [124]
Hey :)

x= -12

Use the distributive property to multiply −4 by 2x+13


−8x−52=3x+80
Subtract 3x from both sides
−8x−52−3x=80


Combine −8x and −3x to get −11x
−11x−52=80

Add 52 to both sides
−11x=80+52


Add 80 and 52 to get 132
−11x=132


Divide both sides by −11
x= 132/-11
​

Divide 132 by −11 to get −12
x=−12


Hope this helps :)
6 0
3 years ago
What is the solution of the following systems of equations? y = 1/2x <br> y = -x -3
SVEN [57.7K]

Answer:

<em>x = -2,  y = -1</em>

Step-by-step explanation:

<u>System of Equations</u>

Solve the system:

y = 1/2x

y = -x - 3

Multiplying the first equation by 2:

2y = x

Substituting x in the second equation:

y = -2y - 3

Adding 2y:

3y = -3

y = -3/3

y = -1

And x = 2*(-1) = -2

Solution: x = -2,  y = -1

7 0
2 years ago
Evaluate the expression for x = 5, y = 3, and z = 14. <br><br> 5x−6y+20z4yz
Darya [45]

Answer:

5(5)-6(3)+20(14)4(3)(14)

25-18+47040

7+47040= 47047

8 0
3 years ago
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A I think not sher               gg
3 0
3 years ago
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