MATHEMATICS HIGH SCHOOL

LOTS OF POINTS, THANKS, AND BEST ANSWER!!The dimensions of a conical funnel are shown below:

A conical funnel is shown with the height of the cone as 8 inches and the radius of the base as 3 inches.

Nisha closes the nozzle of the funnel and fills it completely with a liquid. She then opens the nozzle. If the liquid drips at the rate of 15 cubic inches per minute, how long will it take for all the liquid to pass through the nozzle? (Use π = 3.14.)

Answers

Answer 1
Answer: The volume of the conical funnel is given by V = 1/3 pi (r^2)h; where pi = 3.14, r = 3 and h = 8. Therefore, V = 1/3 pi (3^2) x 8 = 24pi = 75.36. Now, the liquid drips at the rate of 15 cubic inches per minute. Thus it will take it 75.36 / 15 = 5.024 minutes forthe water to pass through the nozzle.
Answer 2
Answer:

Answer:

Your answer would be B: (5.02) minutes

Step-by-step explanation:

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A line with a slope of 10 passes through the point (9, 3).  What is its equation in point-slope form?​

Answers

Answer:

y=10(x-9)+3

Step-by-step explanation:

Point Slope Formula: y=m(x-x1)+y

y=10(x-9)+3

A student has a business selling snowballs during the summer. For each snowball the student sells, they makes a profit of $1.50. On the hottest day of the summer, the student sold 125 snowballs and made a profit of $187.50.Choose a model (equation) in point-slope form {y−y1=m(x−x1)} to represent the profit the student makes, y, based on the number of snowballs sold, x.

y−125=1.5(x−187.5) A


y+187.5=1.5(x+125) B


y−187.5=1.5(x−125) C

y+125=1.5(x+187.5) D

Answers

Answer:

C

Step-by-step explanation:

Glen is being tested for a contagious disease. The test is 99% accurate and in actuality 0.1% of the population has the disease. Should Glen demand to be retested or start treatment right away? Explain.

Answers

I think Glen should demand to be rested than start treatment right away. Although the test is 99% accurate and only .1% of the population has the disease, there is no assurance that he will not get included in the .1% of the population. Also, he should be retested for the sake of reliability.

Answer:

The answer is B. Glen should demand to be retested as the probability that he has the disease given he test positive is only 0.08

Step-by-step explanation:

You are looking for a conditional probability. P(has disease given he tested positive).

This probability is  9 /109  = 0.082. Which means that there is only an 8% chance that he actually has the disease for a test that is 99% accurate.

Therefore, Glen should demand to be retested as the probability that he has the disease given he tested positive is only 0.08

Figure ABCD is a parallelogram with point C (−4, 1). Figure ABCD is rotated 90° clockwise to form figure A′B′C′D′. What coordinate would be the output for point C'?

Answers

There are certain rules to follow when rotating a point 90 deg clockwise. Since it is given that ABCD is a parallelogram and the coordinates of point C are given, we just have to follow this simple relation:

R(90 deg) : (X,Y) ---> (-Y,X)

Using the given coordinates:
R(90 deg) : (-4,1) ---> (-1,-4)

Therefore, Point C' will be located at (-1,-4)

Answer:

(1,4)

Step-by-step explanation:

i promise i just took the test so yeah. jur welome. oo

                                                                                   U

You spin the spinner once. What is the probability that the arrow will land on 3? The spinner has 8 spots.A. 1/4
B. 8
C. 1/8
D. 3/8

Answers

The answer for this one is C. because you aren't looking for a number greater or less than 3 so the 3 you are looking for is going to be counted as a number which one just be 1/8 :)

What is 8.2016 rounded to the nearest tenth

Answers

8.2 is the answer to your question
the answer is 8 the  answer is 8 the asnwer is 8
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