3 years ago

How can i explain that i am useing multiplication to solve the proportion

Mathematics

1 answer:

kow [346]3 years ago

8 0

In order for us to answer this question, more information is needed.

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Please help I do not understand this

Verizon [17]

Slope = (5 + 4)/(2 +1) = 9/3 = 3

y = mx + b
5 = 3(2) + b
b = -1

equation
y = 3x - 1

answer
y = 3x - 1

8 0

3 years ago

What's 2x+3y=6 and x-3y=9?

Vedmedyk [2.9K]

Set up a system of equations:

2x+3y=6
x-3y=9

You can solve this with elimination by adding the two equations together:

3x+0y = 15
3x=15
x=5

Then, plug this value back into either of the original equations to find the y value:

5-3y=9
-3y=4
y= -4/3

The point of intersection is (5,-4/3)

4 0

3 years ago

A volleyball reaches its maximum height of 13 feet, 3 seconds after its served. Which of the following quadratics could model th

julsineya [31]

Only selections B and D give a maximum height of 13 at t=3. However, both of those functions have the height be -5 at t=0, meaning the ball was served from 5 ft below ground. This does not seem like an appropriate model.

We suspect ...
• the "correct" answers are probably B and D
• whoever wrote the problem wasn't paying attention.

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3 years ago

Read 2 more answers

How do you find the constant of variation when y=-(2/3) and x=3

Katyanochek1 [597]

You can't. If you think about the straight line on a graph, those numbers
describe a single point that the line goes through, and they don't tell you
anything about the slope of the line, or where it crosses the x-axis or the
y-axis. So I don't think you can tell the constant of variation from one point.

6 0

3 years ago

Read 2 more answers

$1876 per month for 12 months<br> A) $22,512<br> B) $225.12<br> c) $1888<br> D) None of these

insens350 [35]

Answer:

The answer is A

Step-by-step explanation:

We need to multiply 1876 by 12. 1876 * 12 = 22, 512. That's our answer

5 0

3 years ago