3 years ago

Okay i have two 'true or false' questions from algebra 1:

1 answer:

5 0

1.) False
2.) True

1.) a dotted line infers that any ordered pair that comes after the line is true. Ordered pairs that fall on the line will falsify the inequality.
2.) With solid line graphed inequalities, and ordered pair on the line OR in the shaded region makes the inequality true.

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Everything is in the picture

Afina-wow [57]

Answer:

It's x = -1.5

Step-by-step explanation:

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3 years ago

Gary's contract says he must work at least 20 hours per week. Gary is paid $15.50 per hour. Gary is also paid $50 per week. Gary

Rasek [7]

Answer: Gary needs to work more than 25hours for the week to earn above $400.

Step-by-step explanation:

For Gary to be paid $50 per week means he worked $50/ $15.50= 3.23 hours for the week.

To make over $400 this week he needs to work for

400/15.50 = 25.81 hours and more for the week to earn above $400

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3 years ago

Find the vertex of the parabola whose equation is y=-2x^2+8x-5. (2,27), (2,19), (2,3)

Basile [38]

Answer:

Vertex of the parabola is (2,3)

Step-by-step explanation:

The parabola is a negative, it opens down and the maximum place it can reach is 3 (y).

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3 years ago

Lacie wants to paint her bedroom walls. She has to cover 1,162.5 square feet. About how many gallons of paint will she need?

Lubov Fominskaja [6]

I dont really know. you dont know how big the walls are and how far 1 gallon goes so figure how far 1 gallon goes and then divide it by the 1,162.5

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3 years ago

Write an equation in slope-intercept form for the line with slope -1/4

jarptica [38.1K]

Answer:

The equation would be Y=-1/4X+5

And in the above pic , i have graph the line , too .

Good luck ^.^

3 0

3 years ago