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docker41 [41]
3 years ago
14

How would i figure this out

Mathematics
1 answer:
arsen [322]3 years ago
4 0

9514 1404 393

Answer:

  see attached

Step-by-step explanation:

To plot the line through the point, plot the point. Then find another point that has the given "rise" and "run". Draw the line through the two points.

__

The given point is (-7, -4). Locate that on the graph.

The slope is given as -2/3. This is the ratio of "rise" to "run", so it means the "rise" will be -2 for each "run" of 3. (rise/run = -2/3)

The rise is the vertical change. So, you want your second point to be 2 units below the given point. Its y-coordinate will be -4-2 = -6.

The run is the horizontal change. Your second point will be 3 units to the right of the given point, so its x-coordinate will be -7+3 = -4. Now, you can plot the point (-4, -6) and draw your graph through these two points.

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Factorise 2-y(7-5y) please
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Answer:
(y - 1)(5y - 2)

Solution:

Factor:
2 - y(7 - 5y)

Apply the Distributive Property:
2 - 7y + 5y²

Reorder the expression:
5y² - 7y + 2

Rewrite the term:
5y² - 5y - 2y + 2

Regroup terms into two proportional parts:
(5y² - 5y) + ( -2y + 2)

Factor Greatest Common Factors out:
5y(y - 1) - 2(y - 1)
(y - 1)(5y - 2)
5 0
3 years ago
Arithmetic mean of marks (out of 25) scored by 10 students was 15. One of the student, named Karishma enquired the other 9 stude
erastova [34]

Answer:

Krishna's marks x marks

so...

xˉ=15

xˉ=15n=10

xˉ=15n=10∑x=x+x−8+x−6+x−3+x−1+x+x+2+x+3+x+4+x+6=10x−3

15=10x-3/10

150+3=10x

x=150/10=15.3 marks

<em><u>Krishna scored 15.3 marks.</u></em>

<em><u>hope</u></em><em><u> </u></em><em><u>it</u></em><em><u> </u></em><em><u>helps</u></em><em><u> </u></em><em><u>you</u></em><em><u> </u></em><em><u>sis</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

3 0
2 years ago
How to tell whether lines are parallel perpendicular or neither?
julsineya [31]
The way they are turned
6 0
3 years ago
Need help please answer ASAP!
sladkih [1.3K]

Let's see

  • 3x²-9x
  • 3x(x-3)

3x is one factor

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#2

Mass of 1000 protons

  • 1000×Mass of one proton
  • 1.67×10^{-24}×10³
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6 0
2 years ago
Read 2 more answers
Tara saved $90.75 in 3 months. She saved $39.95 in the first month and $1.95 in the second month. How much money did Tara save i
den301095 [7]
To answer this question we need to add 39.95+1.95=41.9
Then just subtract: 90.75-41.9=48.85

The answer is 48.85. 

Hope this helps! If it does, please rate, thank, and if it really helped give brainliest! Thanks! :)
5 0
3 years ago
Read 2 more answers
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