12/25/15

I need help wherever there are question marks
Suppose that a ball is dropped from the upper observation deck of a building, 300 m above the ground.(a) What is the velocity of the ball after 3 seconds?(b) How fast is the ball traveling when it... more
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12/23/15

I'M LOST ON THIS COULD SOMEONE HELP ME PLEASE!!!!!!!
Bewildered!!!   Find the critical value z a/2 that corresponds to the given confidence level.95% z a/2 = ? (Round to two decimal places as needed.)
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12/22/15

Mathematics
In a class of 40 people, 24 people took mathematics and 12 people took both mathematics and english,and everyone in the class takes at least one course. So how many people take english alone?
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12/22/15

Maths probability
4 faced dice, 6 faced dice, Probability that when rolled same number appears on both of them
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12/21/15

Algebra 2 function question
Karen Kurreck's bicycling speed is inversely proportional to the slope of the hill. If she can go up a 3 miles hill at 8% grade in 18 minutes, how long does it take her to go up a 2 mile hill at 6%... more
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12/21/15

for the polynomial function ƒ(x)= -2x2 - 4x + 16, find all local and global extrema.
for the polynomial function ƒ(x)= −2x2 − 4x + 16, find all local and global extrema.
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12/20/15

the length of the rectangle is 7ft more than twice the width, and the area of the rectangle is 99ft squared. find length and width
Find the dimensions of the rectangle 
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12/20/15

How do I convert the rectangular equation 3x-y+2=0 to polar form?
I don't understand the steps to get it into polar form.
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12/20/15

How much must I invest now to have $20,000 at 8% interest compounded continuously in 30 years?
1. Find the derivative of f(x) = ex + ln (x +1) + x +5 at (0, 6) 2. What is the derivative of f(x) = ex sin x?3. The local maximum of f(x)=x3 - 9x occurs at what value of x? 4. What is the linear... more
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12/20/15

Two sides of a parallelogram are 14 feet and 15 feet.
Two sides of a parallelogram are 14 feet and 15 feet. The measure of the angle between these sides is 95°. Find the area of the parallelogram to the nearest square foot.
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12/18/15

Dimensions of enclosed region
A farmer wishes to use 400 yards of fencing to enclose a rectangular region and subdivide the region in smaller rectangles. If the total enclosed area is 4800 square yards, find the dimensions of... more
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12/18/15

4914: A gasoline
A gasoline tank has the shape of an inverted right circular cone with base radius 4 meters and height 5 meters. Gasoline is being pumped into the tank at the rate of 8 meters3/sec. Find the rate,... more
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12/17/15

Points on the curve
At what point(s) on the curve x2 + y2 = 9 is the tangent line vertical? (2 points) (-3, 0) (3, 0) (-9, 0) (9, 0) (0, 9) (0, -9) (0, 3) (0, -3)
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12/17/15

Slope increasing
If the slope of a strictly increasing function at the point (a, b) is 3, what is the slope of the inverse of the function at the point (b, a)? (2 points) 3 1 1/3 The slope cannot be determined... more
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12/15/15

A jar contains Jelly-Beans, and there are 87 pink, 74 purple, 35 white, 70 black, 25 orange, and 47 green. If two Jelly-Beans are chosen from the jar, what is t
I have a feeling that you should add all of the beans together and divide by 2, but I'm not sure that is correct???  Full question: A jar contains Jelly-Beans, and there are 87 pink, 74 purple, 35... more
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12/15/15

A Textbook company had fixed costs for $25,000 and a variable cost of $20 for a certain book. The company sells the books for $45 each.
(A) Find the formula for the COST, REVENUE, AND PROFIT FUNCTIONS     (B) What is the break even point q^o for the company?
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12/15/15

P (0 = z = 1.75)
Given that z is the standard normal variable (with mean 0 and standard deviation 1) 
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12/15/15

Could someone give me some help with this Please!!!!!
I need help with this!!!!   Assume that the significance level is α=0.05. Use the given information to find the P-value and the critical value(s).The test statistic of z=1.63 is obtained when... more
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12/15/15

Struggling with the quadratic formula in this problem.
The population of the United States in 2007-2050 can be modeled by the quadratic function P (t)=0.0022675t^2 + 2.6804t + 300.76 where P represents the population in millions and t is the number of... more
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12/14/15

what is the width of a rectangle with a perimeter of 27 ft and an area of 35 square feet
what is the width of a rectangle with a perimeter of 27 ft and an area of 35 square feet
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11/08/15

If Rebecka and Aaron, in that order, each select one puppy at random without replacement, find the probability that both select a poodle.
A pet store has 14 puppies, including 5 poodles, 5 terriers, and 4 retrievers. If Rebecka and Aaron, in that order, each select one puppy at random without replacement, find the probability that... more
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