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7nadin3 [17]
3 years ago
5

What is the equation of the line represented by the table below? Х-2,-1,0,1,2 y16,11,6,1,-4

Mathematics
1 answer:
pashok25 [27]3 years ago
5 0

Answer:

y = -5x + 6

Step-by-step explanation:

General equation of a line : y = mx + c......where c is intercept

To find m pick any two points..

(-2, 16) and (-1, 11)

Using (y - y¹) / (x - x¹)

(11 - 16) / (-1 - [-2]) = -5 / 1

= -5

To find c sub with any point for (x, y) and m

using (2, -4)

y = mx + c

-4 = -5(2) + c

-4 = -10 + c

6 = c

Input the values of m and c in the general equation without x and y

; y = -5x + 6

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Answer:

1/4

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3/8 * 2/3 = 6/24 = 1/4

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2 years ago
How many leaves on a tree diagram are needed to represent all possible combinations tossing a coin and rolling a dice
dolphi86 [110]
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katrin2010 [14]

Answer:

y+1=-2(x+3)

Step-by-step explanation:

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6 0
3 years ago
nA car dealer who sells only late-model luxury cars recently hired a new salesperson and believes that this salesperson is selli
7nadin3 [17]

Answer:

The value of an appropriate test statistic for the car dealer to use is -4.

Step-by-step explanation:

The null hypothesis is:

H_{0} = 4600

The alternate hypotesis is:

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The test statistic is:

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In which X is the sample mean, \mu is the value tested at the null hypothesis, \sigma is the standard deviation and n is the size of the sample.

In this problem:

X = 4100, \mu = 4600, \sigma = 500, n = 16

Then

t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

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The value of an appropriate test statistic for the car dealer to use is -4.

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vova2212 [387]

Answer:

b.14

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