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Verizon [17]
2 years ago
12

Find the slope, or rate of change:

Mathematics
1 answer:
Sedbober [7]2 years ago
4 0
3/2 because the proper solution is rise over run, in this case it rises 3 & runs to the right 2
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Solve and check:  3 x2 5x 6 x − 1 x 2 = 7 x 3
oee [108]

Answer:

x =  7 is a solution.

x = -2 is an extraneous solution .

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Y intercept of y=2x-3
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Since the equation is in y = mx+b form you can easily determine the y intercept based on the b value present.

Y = mx + b
Y = 2x - 3
B = y intercept = (0,-3).
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Find all real solutions of this equation to answer the question.<br> (6 – 2x)(3 – 2x)x = 40
icang [17]

Answer:

\huge\green{ \mid{ \underline{ \overline{ \tt  ♡ ANSWER ♡ }} \mid}}

x = 40

(6 - 2x)(3 - 2x) \\  =( 6 - 2 \times 40)(3 - 2 \times 40) \\  = (6 - 80)(3 - 80) \\  =  - 74 \times  - 77 \\  = 5698

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A simple random sample of 50 items from a population with 7 resulted in a sample mean of 35.
Vilka [71]

The 90% , 99% confidence interval for the population mean is 32.145 < \rm \mu < 35.855 and 31.093 <  \rm \mu < 36.907

<h3>What is Probability ?</h3>

Probability is the study of likeliness of an event to happen.

It is given that

Total Population = 50

Mean = 35

The confidence interval is given by

\rm CI = \mu + z \dfrac{s}{\sqrt n}

\rm \mu is the mean

z is the confidence level value

s is the standard deviation

n is the population width

(a) The 90% confidence interval for the population mean

90% \rm \alpha / 2  = 0.05

Z = 1.64

34 \rm \pm 1.64 * 8 / √50

34 \rm \pm  1.855

32.145 < \rm \mu < 35.855

(b)  The 99% confidence interval for the population mean

99% \rm \alpha / 2  = 0.005

Z=2.57

34  \rm \pm 2.57 * 8 / √50

34 \rm \pm  2.907

31.093 <  \rm \mu < 36.907

Therefore the confidence interval for population mean has been determined.

The complete question is

A simple random sample of 50 items from a population width =7  resulted in a sample mean of 35. If required, round your answers to two decimal places.

a. Provide a 90% confidence interval for the population mean

b. Provide a 99% confidence interval for the population mean

To know more about Probability

brainly.com/question/11234923

#SPJ1

8 0
2 years ago
The length of a rectangular garden is represented by 3x-4 and the width is represented by 2x-5. Which of the following represent
lisabon 2012 [21]
Well area of a rectangle is given by the equation

a = L x W

Since they give us the expression for length and width we can find the expression for the area...

a = (3x - 4) x (2x - 5) or simply
a = (3x -4)(2x - 5)

Now we multiply

6x^2 - 15x - 8x + 20 =
6x^2 - 23x + 20

Your answer is C.
8 0
3 years ago
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