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adoni [48]
3 years ago
10

This is for my question I asked earlier because the picture was blurry

Mathematics
1 answer:
slega [8]3 years ago
3 0
Q1-(-42)
Q2-(14)
Q3-(-3)
Q4-(7)
Q5-(11)
Q6-(3)
Q7-(-54)
Q8-(-13/2)
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(2x^3-7x^2-16x-6)÷(2x+1)
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2 years ago
Solving equtions in a row
yKpoI14uk [10]
1st: x = -5y - 5z - 2
2nd: x = 5y/4 - z + 19/4
3rd: x = -5y + z - 20
Not sure if this was correct, but anyways hope this helps! :)
4 0
3 years ago
Question: 1. What is the value of x? Show your work to justify your answer. (2 points) 2. What is the value of the exterior angl
GaryK [48]

Answer:

x=56 and the exterior angle is 116

Step-by-step explanation:

We will call the unknown angle in the triangle y.  Angle y and the angle (2x +4) form a straight line so they make 180 degrees.

y + 2x+4 =180

Solve for y by subtracting 2x+4 from each side.

y + 2x+4 - (2x+4) =180 - (2x+4)

y = 180-2x-4

y = 176-2x


The three angles of a triangle add to 180 degrees

x+ y+ 60 = 180

x+ (176-2x)+60 = 180

Combine like terms

-x +236=180

Subtract 236 from each side

-x+236-236 = 180-236

-x = -56

Multiply each side by -1

-1*-x = -56*-1

x=56

The exterior angle is 2x+4.  Substitute x=56 into the equation.

2(56)+4

112+4

116


3 0
3 years ago
URGENT! PLEASE HELP!
Darya [45]

Answer:

the answer is x=6 or x=-16

5 0
3 years ago
Evaluate the expression 4(x - 3) + 7 using x=2
Maru [420]
4x - 12 + 7
4x - 5
4(2) - 5
8 - 5
the answer is 3
6 0
2 years ago
Read 2 more answers
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