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o-na [289]
3 years ago
10

someone please help!! i need to turn this in asap and i'm very behind in school and need help with this graph! What is the y-int

ercept and is my line of best fit correct?

Mathematics
1 answer:
AURORKA [14]3 years ago
6 0
Y=mx+b
(x,y)
m= slope
b= y-intercept
slope is y2-y1/x2-x1
find your slope and then put a coordinate pair in your equation (y=mx+b) then solve to get a number for b.
Try it using the coordinates
 (66,64) and (68,66)
  x1  y1           x2  y2

Try it and put your answer in the comments and I will tell you if you are right!
The only way to learn is to try and get guidance,  but not answers just given to you!
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In which quadrant is the point (5, 8)
Ganezh [65]
(5, 8) has two positive numbers. In case you don't remember

Quadrant I: Both positive
Quadrant II: Negative x value, Positive y value
Quadrant III: Both negative
Quadrant IV: Positive x value, Negative y value

5 and 8 are Both Positive, therefore it is in quadrant I.
3 0
3 years ago
Given ACM, angle C=90º. AP=9, PM=12. Find AC, CM, AM.
Gnesinka [82]

Answer:

AM = 25, AC = 15, CM = 20

Step-by-step explanation:

The given parameters are;

In ΔACM, ∠C = 90°, \overline{CP} ⊥ \overline{AM}, AP = 9, and PM = 16

\overline{AC}² + \overline{CM}² = \overline{AM}²

\overline{AM} = \overline{AP} + PM = 9 + 16 = 25

\overline{AM} = 25

\overline{AC}² = \overline{AP}² + \overline{CP}² = 9² +  \overline{CP}²

∴ \overline{AC}² = 9² +  \overline{CP}²

Similarly we get;

\overline{CM}² = 16² + \overline{CP}²

Therefore, we get;

\overline{AC}² + \overline{CM}² = 9² +  \overline{CP}² + 16² + \overline{CP}² = \overline{AM}² = 25²

2·\overline{CP}² = 25² - (9² + 16²) = 288

\overline{CP}² = 288/2 = 144

\overline{CP} = √144 = 12

From \overline{AC}² = 9² +  \overline{CP}², we get

\overline{AC} = √(9² +  12²) = 15

\overline{AC} = 15

From, \overline{CM}² = 16² + \overline{CP}², we get;

\overline{CM} = √(16² + 12²) = 20

\overline{CM} = 20.

3 0
3 years ago
-4(2x-3) + 4x = 9x -4x +8 -4 answer this
shtirl [24]

Answer:

x = 8/9

Step-by-step explanation:

-4(2x-3) + 4x = 9x -4x +8 -4  

2x*(-4) -3*(-4) + 4x = 9x - 4x  + 8 - 4

-8x + 12 + 4x = 9x - 4x + 8 - 4         {Combine like terms}

-4x + 12 = 5x + 4

12  = 5x + 4x + 4

12 = 9x + 4

12- 4 = 9x

9x = 8

x = 8/9

5 0
3 years ago
Hudson worked two jobs last summer to start saving for a car. He mowed lawns during the day and worked at a pizza place in the e
IgorLugansk [536]
Mowing lawns he earned 520 and at the pizza place he earned 880 
hope this helps!
3 0
3 years ago
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An area of 4 square yards is equal to 36 square feet. 10 square yards is equal to how many square feet?
Debora [2.8K]

Answer:

90 square feet

Step-by-step explanation:

36 square feet divided by 4 square yards equals to 9 square feet for 1 square yard.

9 square feet times 10 square yards equals to 90 square feet.

8 0
3 years ago
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