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3 years ago

Find the total surface area of this object.

Mathematics

1 answer:

Bumek [7]3 years ago

5 0

Answer:

548

Step-by-step explanation:

area for the two triangles are 68

and for the two bigger rectangles is 320

and for the small rectangle 180

then add it all up and get 548

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What is 184.24 to 4 significant figures

siniylev [52]

184.2 is the answer to 4 significant figure

4 0

2 years ago

Assume a recent sociological report states that university students drink 4.10 alcoholic drinks per week on average, with a stan

yulyashka [42]

Answer:

4.10

0.17

Step-by-step explanation:

From the question, we know that

A recent sociological report stated that university students drink 4.10 alcoholic drinks per week on average, with a standard deviation of 1.9101.

Also, we're tasked with finding the mean and standard deviation of the sampling distribution of the sample mean alcohol consumption.

To find the mean of the sampling distribution, we take the sample mean of the same of that university students as a direct substitute. This then means that the mean of the sampling distribution of the sample mean alcohol consumption is 4.10 alcoholic drinks per week on average.

On the other hand, the standard deviation of the sampling distribution of the sample mean alcohol consumption is taken to be the division of the standard deviation of the sample mean. Mathematically, we have

Standard Deviation, S = 1.9101 / √125

Standard Deviation, S = 1.9101 / 11.18

Standard Deviation, S = 0.17

Therefore, the Standard Deviation is 0.17

4 0

3 years ago

Read 2 more answers

Please Help ASAP! Will name Brainliest! Question: Minimize the objective function P = 5x + 8y for the given constraints. x ≥ 0 y

maksim [4K]

Answer:

Option D.

Step-by-step explanation:

Minimize the objective function P = 5x + 8y for the given constraints.

$x\geq 0,y\geq 0$

$2x+3y\geq 15$

$3x+2y\geq 15$

The related equations of above inequalities are

$2x+3y=15$

$3x+2y=15$

For $2x+3y=15$ ,

x y

0 5

7.5 0

Plot (0,5) and (7.5,0) and join them by straight line.

For $3x+2y=15$ ,

x y

0 7.5

5 0

Plot (0,7.5) and (5,0) and join them by straight line.

Check the inequalities for (0,0).

$2(0)+3(0)\geq 15\Rightarrow 0\geq 15$ False

$3(0)+2(0)\geq 15\Rightarrow 0\geq 15$ False

It means both lines are solid lines and shaded region for each lies opposite side of (0,0).

From the below graph it is clear that the vertices of feasible region are (0,7.5), (3,3), (7.5,0).

Point P = 5x + 8y

(0,7.5) P=5(0)+8(7.5)=60

(3,3) P=5(3)+8(3)=15+24=39

(7.5,0) P=5(7.5)+8(0)=37.5 (Minimum)

So, minimum value is 37.5.

Therefore, the correct option is D.

3 0

3 years ago

ivan bought these two magazines. if the sales tax was 6.75% what was the total amount that he paid for the magazines

stich3 [128]

(6.75/ 100) X 4.95 = .334
For one magazine the sales tax is $0.334.
Since, both magazine are of same prize. The total she paid for both magazine will be 4.95 + 0.334 + 4.95 + 0.334 = $ 10.57.

5 0

2 years ago

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Beach hotel in Cancun is offering two weekend special.one includes a 2 night stay with 3 meals and cost $195. The other includes

PSYCHO15rus [73]

$75 per night and $15 per meal

5 0

3 years ago

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