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2 years ago

Draw a model to show a fraction that is equivalent to one third

Mathematics

1 answer:

Irina-Kira [14]2 years ago

4 0

Hope this helps :) (the first circle is a fraction of thirds and the second circle is a fraction of sixths)

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What is the slope of line a? <br><br>

emmainna [20.7K]

<h3>Answer: -1/4 (choice C)</h3>

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Explanation:

Start at the point (0,1). This is the y intercept, which is where the graph crosses the y axis.

Then move down 1 and over to the right 4 spaces. We arrive at (4,0) which is the x intercept.

The process of "down 1, over to the right 4" can be thought of like this

rise/run = -1/4

rise = -1

run = 4

A rise of -1 indicates we go down 1 unit

The run of 4 means we move to the right 4 units

So that's why slope = rise/run = -1/4

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Here's another approach using the slope formula:

m = (y2-y1)/(x2-x1)

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

m = -1/4

I used the two points (0,1) and (4,0) as (x1,y1) and (x2,y2) respectively. This formula basically says "subtract the y coordinates, subtract the x coordinates in the same order, then divide the differences y over x".

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Side note: The line moving downhill, as we read from left to right, indicates a negative slope.

5 0

2 years ago

Y=x+5 and y=3x-3 I need to get this in a ordered pair

koban [17]

9514 1404 393

Answer:

(x, y) = (4, 9)

Step-by-step explanation:

Perhaps the ordered pair you want is the one that satisfies both equations.

We can find that by equating the expressions for y:

x +5 = 3x -3

8 = 2x . . . . . . . . add 3-x to both sides

4 = x . . . . . . . . . divide by 2

y = 4+5 = 9

The ordered pair is (x, y) = (4, 9).

4 0

2 years ago

Solve graphically,<br>x - y = 7 and x + y = 3<br>

Rzqust [24]

Answer:

x-y=7

slope:1

y-int:(0,7)

x+y=3

slope: -1

y-int:(0,3)

hope this helps!!:)

Step-by-step explanation:

4 0

2 years ago

What is the answer to number 23???

wariber [46]

The answer is 1 time 3/4=3/4

4 0

2 years ago

242m/min express this in km/h

balandron [24]

Answer:

14.52 km/h

Step-by-step explanation:

Please see the picture attached.

I hope this helps!

7 0

2 years ago