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bagirrra123 [75]
3 years ago
7

Need help / easy, please help

Mathematics
2 answers:
lyudmila [28]3 years ago
8 0

Answer:

The answer to your question is f(x) = x + 4

Step-by-step explanation:

Data

A (-3, 1)

B (-2, 2)

C (-1, 3)

D (0, 4)

Process

1.- Find the slope

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

- Substitution

m = (2 - 1) / (-2 + 3)

Simplification

m = 1/1

Result

m = 1

2.- Find the equation of the line

     y - y1 = m(x - x1)

Use point A (-3 , 1)

     y - 1 = 1(x + 3)

Simplification

    y - 1 = x + 3

Result

   y =x + 3 + 1

   y = x + 4

 y = f(x) = x + 4              

Alex73 [517]3 years ago
8 0

Answer:

f(x) = x - 4 is the correct answer

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Which expressions is equivalent to 2r+(t+r)
azamat

Answer:

t+3r

Step-by-step explanation:

This is a one step solution

All you do is add like terms

In this case the only like terms are the varibles r

2r+(t+r)

so if you add all of the rs together there would be 3rs

So the rest of the problem would continue as normal while bringing the 3r to the end

t+3r

8 0
3 years ago
The paint used to make lines on roads must reflect enough light to be clearly visible at night. Let µ denote the true average re
musickatia [10]

Answer:

(a) P-value = 0.001

Conclusion: The average reflectometer reading for the new type of paint under consideration is greater than 20.

(b) P-value = 0.036

Conclusion: The average reflectometer reading for the new paint under consideration is 20

Step-by-step explanation:

The test is a one-tailed test because the alternate hypothesis is expressed using greater than.

(a) n = 16, t = 3.3, a = 0.05

Cumulative area of the test statistic t is 0.9995

P-value = 1 - 0.9995 = 0.0005 = 0.001 (to 3 decimal place)

Conclusion:

Reject H0 because the P-value 0.001 is less than the significance level 0.05.

(b) n = 8, t = 1.8, a = 0.01

Cumulative area of the test statistic t is 0.9641

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Conclusion:

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5 0
3 years ago
HELPPPPPPPPPPPPPpPppp
TEA [102]

Answer:

Answer c..... can i get brainliest ?

Step-by-step explanation:

Just substitute (2,0) in the equation

2 for x

0 for y

5 0
3 years ago
What is - (6x + 9y) simplified form
andreyandreev [35.5K]

Answer:

-6x-9y is the answer

6 0
3 years ago
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kolezko [41]
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The difference in x = 4--2 = 6

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7 0
4 years ago
Read 2 more answers
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