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2 years ago

7

F(x) = 3x +2 is it linear quadratic exponential

1 answer:

nadya68 [22]2 years ago

5 0

I think you are looking for the value of x
3x+2
-2

3x
X=3

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What equation is graphed in this equation?

jenyasd209 [6]

Y-2=-3/2(x-2)
first of all, the slope of the line is -3/2, and there's only one equation that has that as a choice for the slope. Then you can take the x and y coordinates given in that equation you want to check and see if the line goes through that point. from the equation, (point-slope form y-y=m(x-x)) I know that the line should pass through point (2, -2), and looking at the graph, that is correct.

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3 years ago

8 (-7x + 6) = -56x + 49

inysia [295]

Answer: 1.02

Step-by-step explanation:

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2 years ago

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Rewrite the following without an exponent

Leokris [45]

125/27 , or 4 & 25/27 , or 4.62963

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2 years ago

5 hundreds x 10 in standard form

Effectus [21]

5 hundreds is 500. So 500x10= 5000. Answer:5000

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3 years ago

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Data were collected from a typing class with 45 students. The class had an average of 56 words per minute (WPM) with a standard

STALIN [3.7K]

Answer:

Standard deviation gets smaller

Step-by-step explanation:

No. of students = 45

The class had an average of 56 words per minute (WPM) with a standard deviation of 7 WPM.

$Mean = \frac{\text{Sum of all observations}}{\text{No. of observations}}\\56=\frac{Sum}{45}\\56 \times 45=Sum\\2520=Sum$

The teacher realized that the data from one student who typed 55 WPM was not entered.

So, new sum = 2520+55

New sum =2575

So, new mean = $\frac{2575}{45}$

New mean =57.22

Standard deviation is the measure of distance between observation and mean

So, if number gets closer to mean , Standard deviation gets smaller . if the numbers get bigger , Standard deviation gets bigger.

Since 55 is closer to 57.22

So, Standard deviation gets smaller

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2 years ago