Given a = -3, b = 4 and c = -5, evaluate a - b - c. -12 -6 -2

Answers

Answer 1

Answer: A - B - C =
-3 - 4 + 5 =
-7 + 5 =
-2

negative three minus four plus five is negative two
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The axis of symmetry of a parabola is x=4.6. It crosses the x -axis at (0.6,0). What is the x -coordinate of the other point where the parabola crosses the x -axis?

Answers

keeping in mind that the vertex of a parabola is halfway between the x-intercepts, if a point is a 0.6, and the vertex is at 4.6, that's just 4 units over to the right, thus the other point will have to be 4 units further, check the picture below.

A sixth-grade class is painting a mural. To make a darker shade of orange, they use a ratio of 5 ounces of red paint to 3ounces of yellow paint. Use this ratio to consider the amount of yellow paint needed for each amount of red paint listed in the table.
Point Red Paint, x
(ounces) Yellow Paint, y
(ounces)
A
5

B
15

C
20

Determine ordered pairs for points A
, B, and C

, and graph the relationship of the amount of red paint to the amount of yellow paint on the coordinate plane.

Click on the grid to plot the three points.