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alexgriva [62]
3 years ago
9

(11.52 x) = (3.6 x) + (1.8 x ) = +

Mathematics
2 answers:
Blababa [14]3 years ago
4 0
Lol ummm ... hehehnsmkajwna
Ainat [17]3 years ago
3 0

Answer:

x=0

Step-by-step explanation:

STEP 1: Since x is on the right side of the equation, switch the sides so it is on the left side of the equation.

3.6x+1.8x=11.52x

STEP 2: Add  3.6x  and  1.8x.

5.4x=11.52x

STEP 3: Move all terms containing x to the left side of the equation.

-6.12x=0

STEP 4: Divide each term by  −6.12  and simplify.

x=0

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According to a 2014 research study of national student engagement in the U.S., the average college student spends 17 hours per w
Nadusha1986 [10]

Answer:

Step-by-step explanation:

We would set up the hypothesis test. This is a test of a single population mean since we are dealing with mean

For the null hypothesis,

µ = 17

For the alternative hypothesis,

µ < 17

This is a left tailed test.

Since the population standard deviation is not given, the distribution is a student's t.

Since n = 80,

Degrees of freedom, df = n - 1 = 80 - 1 = 79

t = (x - µ)/(s/√n)

Where

x = sample mean = 15.6

µ = population mean = 17

s = samples standard deviation = 4.5

t = (15.6 - 17)/(4.5/√80) = - 2.78

We would determine the p value using the t test calculator. It becomes

p = 0.0034

Since alpha, 0.05 > than the p value, 0.0043, then we would reject the null hypothesis.

The data supports the professor’s claim. The average number of hours per week spent studying for students at her college is less than 17 hours per week.

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Answer:

Step-by-step explanation:

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Y=-0.00001(37000)+0.97=-37+0.97=?
docker41 [41]

Answer:

37.97

Step-by-step explanation:

y=-0.00001(37000)+0.97

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