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kirill115 [55]
3 years ago
8

Solve each system of equations by graphing.check. 6y=2x-14 and x-7=3y

Mathematics
1 answer:
Oksanka [162]3 years ago
7 0
Hmm i think i know this answer my calculater tells me that the answer would be in red
 

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The tables show linear relationships between x and y. Write an equation in slope-intercept form for each relationship.
Alenkinab [10]
The first thing you need to do is calculate the slope. pick 2 of the ordered pairs.

i'll use (1, 4) and (0, 6)

m = (6 - 4)/(0 - 1)
m = (2)/(-1)
m = -2

so the slope is -2. slope intercept form is written as y = mx + b and you have one part of that equation

y = -2x + b

to find b, use one of the selected points. i'll use (0, 6).

(6) = -2(0) + b
6 = b
b = 6

therefore:

y = -2x + 6
6 0
3 years ago
There are 4 juice cartons and 9 milk cartons in the school refrigerator. What is the ratio of juice cartons to total cartons?
Rama09 [41]
Ther is 4 juice  cartons. 4+9=13. so it would be 4/13
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3 years ago
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How do i do this? I dont really know where to start
Alex787 [66]
Well, I don’t necessarily remember how to sketch a plane. However, I can help get you started by defining some words they use and hopefully you will be able to do this on your own!

So this plane is made up of three points, names E, D and B. (Edit: This plane may be made up of four points, because of point A.)

E and B are collinear with A. This basically means that they all are on the same line.

D is a vertex. This basically means that it is a dot that these two lines called rays will shoot out of it. I will attach a picture of a vertex.

CD and FD are called rays. See those little lines above them? I’ll be sure to attached another image so that you know what I’m taking about. Anyway, that means they are rays. Rays are like never ending lines; they start at a point and the line will go on for infinity.

(Edit: where did the point f come from? I really wish you would have attached the full picture...)

Whelp, that’s all I’ve got! Good luck!!

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3 years ago
Classify the following angles
vlada-n [284]

--Answer--

1. acute

2. right

3. acute

4. obtuse

5. straight

--Explanation--

Acute angle = Greater than 0 °, Less than 90°

Right angle = 90°

Obtuse angle  = Greater than 90°, less than 180°

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Latoya received a $ 70 gift card for a coffee store. She used it in buying some coffee that cost $ 8.13 per pound. After buying
klasskru [66]

She bought 3 pounds of coffee

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