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Whitepunk [10]
3 years ago
5

2) Which expressions are equivalent to 1/3 - (-1/4). Select all that apply.

Mathematics
1 answer:
marshall27 [118]3 years ago
8 0
What are all that apply?
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Complete the table of values for y=2x squared + x
Lapatulllka [165]

Answer:

y=2x^2 + 2x - 3 x -2 -1 0 1 2

Step By Step Explanation:

The values can be find by plugging the x values in the equation which gives us the y value ,

x -2 -1 0 1 2

y 1 -3 -3 1 9

(b) Plot the points on the graph and join by a smooth curve.

(c) The line y=1 will be passing through 1 and parallel to x-axis.

(d) solve 2x^2 + 2x - 3 = 1

Subtract 1 from both the sides ,

2x^2 + 2x - 2 = 0

Factoring out the 2 from the equation ,

2(x^2 + x - 1) = 0

x^2 + x - 1 = 0

Apply the quadratic formula

x=(-1-sqrt(5))/2 and x = (-1+sqrt(5))/5

5 0
3 years ago
Find the slope of the line that passes through the coordinates (3,-6) and (-9,2)
JulsSmile [24]

9514 1404 393

Answer:

  -2/3

Step-by-step explanation:

The slope formula is useful for this.

  m = (y2 -y1)/(x2 -x1)

  m = (2 -(-6))/(-9 -3) = 8/-12

  m = -2/3

The slope of the line is -2/3.

__

The graph shows the two points and a line with a slope of -2/3.

4 0
3 years ago
The cost of the meal was 50 she left a $9 tip what was the percent of the tip
Artemon [7]

18% is the % of the tip

7 0
3 years ago
Read 2 more answers
The hypotenuse of a right triangle is 7 inches,and one of the legs is 13 inches.Find the length of the other leg.
Firlakuza [10]
13^{2}  plus b^{2} =7^{2} 

169 plus b^{2} = 49

6 0
3 years ago
Please help, geometry question.
user100 [1]

Answer:the volume is multiplied by 1/27

Step-by-step explanation:

Because you are using the 3rd power and 3 to the third powers would be 27

8 0
3 years ago
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