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Ray Of Light [21]
3 years ago
13

Please help!!!!!!!!!!

Mathematics
1 answer:
OLEGan [10]3 years ago
5 0

Answer:

The correct answer is a.

Step-by-step explanation:

Since she starts off with 15, u would be subtracting. So she gives 13 to friends. subtract 13. she gives the remaining 2 to teachers. subtract 2. she has 0 left.

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How do you graph an equation using x and y intercepts.
Citrus2011 [14]

Answer:

I'm going to use the following as an example.

2x + 4y = 8

To find the y-intercept, set x equal to 0 then solve for y.

2(0) + 4y = 8

two times zero is zero, so we have the following equation.

4y = 8

Solve for y

\frac{4y}{4}  =  \frac{8}{4}  \\ y = 2

Your first point you will graph is (0, 2).

Now solve for the x intercept. To do this, set y = 0.

2x + 4(0) = 8

4(0) = 0, so you can remove it, and solve for x.

2x = 8

\frac{2x}{2}  =  \frac{8}{2}  \\ x = 4

Now the next point you have is (4, 0). plot that point. Connect the two points with a line and you are done.

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3 years ago
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MAVERICK [17]

Answer:

What time period?

Step-by-step explanation:

6 0
3 years ago
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4

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6 0
3 years ago
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Georgia [21]
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4 years ago
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1. Joshua has a ladder that is 14 ft long. He wants to lean the ladder against a vertical wall so that the top of the ladder is
34kurt

Answer:

Step-by-step explanation:

θ is the angle the ladder makes with the ground.

θ = arcsin(13.8/14) ≈ 80.3° > 78°

The ladder is not safe at that height and angle.

8 0
3 years ago
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