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alex41 [277]
3 years ago
8

Which expressions are equivalent to 2 (a + 3b)?

Mathematics
1 answer:
VARVARA [1.3K]3 years ago
8 0

Answer:

A & B

Step-by-step explanation:

A is spot-on because of the use of distributive property. B by the use of like terms.

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Find the x-intercept and y-intercept of 5x 8y=80
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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
Can someone help me?It's urgent and thank you!
Neporo4naja [7]

Answer:

11

Step-by-step explanation:

Solution for this problem is in this picture.

7 0
2 years ago
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