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3 years ago

Please help me with this homework

Mathematics

2 answers:

Alex17521 [72]3 years ago

8 0

2/4 there’s 4 rectangles in total and only 2 are colored in

balandron [24]3 years ago

7 0

Answer:

2 over 4 because 2 are colored out of 4 so on top 2 on bottom 4

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Assume a recent sociological report states that university students drink 5.10 alcoholic drinks per week on average, with a stan

Lerok [7]

Answer:

Mean of sampling distribution = 5.10 alcoholic drinks per week

Standard deviation of the sampling distribution = 0.11

Step-by-step explanation:

We are given the following in the question:

Mean, μ = 5.10 alcoholic drinks per week

Standard Deviation, σ = 1.3401

Sample size, n = 150

a) Mean of sampling distribution

The best approximator for the mean of the sampling distribution is the population mean itself.

Thus, we can write:

$\mu_{\bar{x}} = \mu = 5.10$

b) Standard deviation of the sampling distribution

$=\dfrac{\sigma}{\sqrt{n}} = \dfrac{1.3401}{\sqrt{150}} = 0.11$

3 0

3 years ago

How to calculate 9.1 plus 2.53

dlinn [17]

9.10
+2.53
————
11.63
Just add the rows from the top to the bottom

6 0

3 years ago

Solver r=1/2m2p for p

Kisachek [45]

Answer:

p= 2r/m^2

Step-by-step explanation:

7 0

3 years ago

Determine the equation of the parabola whose graph is given below. Write your answer in General Form. A parabola on a coordinate

dimaraw [331]

The equation of parabola becomes y = -2/25(x-3)^2 + 4.

According to the statement

we have given a graph and from this graph we have to find the equation of parabola in the general form.

So,

we know that the equation of parabola in general form is

y = a(x-h)^2 +k - (1)

From the graph we have:

a point on the graph is (x,y) = (-2,2)

the vertex of the graph is (h,k) = (3,4)

Now, substitute these values in the equation number (1)

Then

y = a(x-h)^2 +k

2 = a(-2-3)^2 +4

2 = a(-5)^2 +4

2 = a(25) +4

25a = -2

a = -2/25.

Now put a = -2/25 and (h,k) = (3,4) in the equation(1).

Then

the equation of parabola becomes y = -2/25(x-3)^2 + 4

So, The equation of parabola becomes y = -2/25(x-3)^2 + 4.

Learn more about equation of parabola here brainly.com/question/4061870

#SPJ4

6 0

2 years ago

H (t) = -16t^2 + 144

Delicious77 [7]

Answer:

-16 (t+3) (t-3)

Step-by-step explanation:

6 0

3 years ago