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____ [38]
2 years ago
15

X and y intercepts please

Mathematics
2 answers:
disa [49]2 years ago
3 0
X intercept- 3.5
y intercept- 2.5
Andrews [41]2 years ago
3 0
I believe y is 2.5 and x is 3.5
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Riko wants to find the distance between the points (−2, −3) and (2, −5). His work is shown. StartAbsoluteValue negative 3 EndAbs
swat32

Answer:

<em>Riko is wrong because she uses the wrong formula.</em>

Step-by-step explanation:

Given the coordinate points (-2, -3) and (2, -5)

We are to find the distance between the two points

Using the formula:

D = √(x2-x1)²+(y2-y1)²

From the coordinates x1 = -2, y1 = -3, x2 = 2 and y2 = -5

Substitute

D = √(2-(-2))²+(-5-(-3))²

D= √(4)²+(-2)²

D = √16 + 4

D = √20

D = √4*√5

D = 2√5

<em>This shows that Riko is wrong because she uses the wrong formula.</em>

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2 years ago
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Corinne's puppies eat 92 meals in 32 days.
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Is 0.3434434443 a rational number​
Kobotan [32]

Answer:

Yes ,0.3434434443 is a rational number.

8 0
3 years ago
You will spend no less than $80 on a gift. You have already spent $50 on part of the gift. Let s be the amount of money you will
GalinKa [24]
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I need help with solving systems of linear equations through elimination.
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Answer:

See explanation

Step-by-step explanation:

8x = 3y + 38  

24= 6y + 9x  

Rearrange;

3y - 8x = -38       * 2     -------(1)

6y + 9x = 24       * 1       -------(2)

6y - 16x = -76    -------(3)

6y + 9y  = 24    -------(4)

Subtract (4) from (3)

     -25y = -100

      y= 100/25

     y = 4

Substitute y =4 into(1)

3y - 8x = -38    

3(4) - 8x = -38

12 -8x = -38

-8x = -38 - 12

x = 50/8 = 6 2/8

2) 6 = 2x + y

7x = 3 - 3y

Rearrange;

2x + y = 6            * 3    --------(1)

7x + 3y = -3         * 1     --------(2)

6x + 3y = 18        ---------(3)

7x  + 3y = -3        ---------(4)

Subtract (4) from (3)

-x   = 21

x = -21

Substitute x = -21 into (1)

2x + y = 6

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3)  

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Rearrange

11x - 10y = 5          * 2  ---------(1)

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22x - 20y = 10     --------(3)

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Subtract (4) from (3)

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Substitute y =5 into (1)

11x - 10y = 5  

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11x - 50 = 5

11x = 5 + 50

11x = 55

x = 55/11

x = 5

4 0
2 years ago
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