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3 years ago

Solve for x and simplify your answer. -3=4/3x

Mathematics

2 answers:

QveST [7]3 years ago

6 0

X = -9/4 is your answer

Goryan [66]3 years ago

5 0

Answer:

x = -9/4

Step-by-step explanation:

First multiply 3 on both sides. One side will be -9 and the other 4x. Then divide 4 on both sides to get x = -9/4 or in decimal form x = -2.25

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a sociologist develops a test to measure attitudes towards public transportation and 27 randomly selected subjects are given the

horsena [70]

Answer:

The 95% confidence interval for the mean score is:

$\mu$ ∈ $(67.73,\ \ 84.67)$

Step-by-step explanation:

We want to estimate the population mean, that is, the average score of all the subjects.

An estimator for the population mean μ is ${\overline {x}}$

Since the sample size is $27$ then we use the statistic $t_{\frac{\alpha}{2}}$ with $27-1 = 26$ degrees of freedom

The confidence interval for the mean is:

$({\displaystyle {\overline {x}}} + t_{\frac{\alpha}{2}}\frac{S}{\sqrt{n}},\ \ {\displaystyle {\overline {x}}} - t_{\frac{\alpha}{2}}\frac{S}{\sqrt{n}})$

Where

${\displaystyle {\overline {x}}}=76.2$ is the average score of the sample

$S=21.4$ is the standard deviation of the sample

$n= 27$ is the sample size

$t_{\frac{\alpha}{2}} = 2.056$ for a confidence level of 95% and 26 degrees of freedom

Then confidence interval is

$(76.2 + 2.056\frac{21.4}{\sqrt{27}},\ \ {76.2 - 2.056\frac{21.4}{\sqrt{27}})$

$(76.2 + 8.467,\ \ 76.2 - 8.467)$

$\mu$ ∈ $(67.73,\ \ 84.67)$

7 0

3 years ago

I need help asap please and thank you

Juliette [100K]

Answer:

100

Step-by-step explanation:

14. in × 7 in = 98. in So 98 Rounded to the nearest Tenth is 100. in

4 0

3 years ago

What is the range of (-1,7)(6,2)(0,4)(5,2)(-3,1)

Mrrafil [7]

Answer:

range =(7,2,4,2,1)

if my answer helps you than mark me as brainliest.

5 0

3 years ago

Help! I will give Brainlist ! PLease Help its a Geometry Question :)

Otrada [13]

Answer:

41 °

Step-by-step explanation:

A = x b = y c = z = 41 °

3 0

1 year ago

Read 2 more answers

The perimeter, p, of a square is a function of its side length, s. The perimeter of the square is 28 inches or less. What is the

CaHeK987 [17]

The domain of the function for this situation is; s<= 7.

<h3>What is the domain of the function?</h3>

It follows from the task content that the perimeter , p, of a square is a function of its side length, s. The perimeter of the square is 28 inches or less.

On this note it follows that;

P = 4s <= 28

Hence, it follows that; s<=7.

Read more on domain of a function;

brainly.com/question/1942755

#SPJ1

8 0

2 years ago