06/29/19

Find an equation for the ellipse.

Find an equation for the ellipse. Foci at (0,4) and (0,-4); length of major axis is 14.I would really like help figuring this equation out. Even if you prefer to use different but similar numbers... more
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06/27/19

a sample of ten vouchers is randomly selected without replacement from 6000 vouchers. If 10% of the population of vouchers contain errors the standard deviation of x is
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06/24/19

In two or more complete sentences, describe the transformation(s) that take place on the parent function, f(x) = log(x), to achieve the graph of g(x) = log(-3x-9) - 1
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06/24/19

Equations of Altitudes in Triangles
Quick question about how I would solve this question:Overview: ABC has the vertices A(3, 4) B(-5, 2) and C(1, -4).a) Determine an equation for the altitude from C to AB.I know how to do this part... more
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06/24/19

What is the distance of the​ run? What is the distance of the bicycle​ race?
Suppose you have entered a 98​-mile biathlon that consists of a run and a bicycle race. During your​ run, your average velocity is 5 miles per​ hour, and during your bicycle​ race, your average... more
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06/24/19

Quadratic Problem solving question
The sum of the length and breadth of a rectangle is 15cm. Find the sides if the area is 56cm
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06/23/19

Assume that a procedure yields a binomial distribution with a trial repeated n = 12 times. Find the probability of x = 7 successes given the probability p = 0.53 of success on a single trial.

(Report answer accurate to 4 decimal places.) P ( 7 ) =
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06/23/19

About 10% of the population has a particular genetic mutation. 100 people are randomly selected. Find the standard deviation for the number of people with the genetic mutation in such groups of 100.
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06/21/19

A box with a square base and no top is to be made from a square piece of carboard by cutting 2 in. squares from each corner and folding up the sides.

A box with a square base and no top is to be made from a square piece of carboard by cutting 2 in. squares from each corner and folding up the sides. The box is to hold 648 in3. How big a piece of... more
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06/21/19

Farmer Brown has 750 yards of fencing with which to build a rectangular corral.
Farmer Brown has 750 yards of fencing with which to build a rectangular corral. He wants to divide it evenly into three pens, so he adds in two divider fences, as shown below. Answer the... more
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06/21/19

Pharmaceutical Company
A pharmaceutical company receives large shipments of aspirin tablets. The acceptance sampling plan is to randomly select and test 44 ​tablets, then accept the whole batch if there is only one or... more
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06/20/19

How do I use integration to find the surface area of 3x+2y+z=6 in the first octant, without relying on a 3D graphing calculator?
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06/18/19

Binomial Probablity

The Jones family was one of the first to come to the U.S. They had 7 children. Assuming that the probability of a child being a girl is .5, find the probability that the Jones family had: at least... more
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06/18/19

Compound Probablilites

Every cereal box has a gift inside, but you cannot tell from the outside what the gift is. The store manager assures you that 18 of the 54 boxes on the shelf have the secret decoder ring. The other... more
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05/31/19

I can’t find the equation for a parabola with vertex at (0,0); axis of symmetry the x-axis; containing the point (8,7). Answer is in the details.

I know how to do this, but I’m doing something wrong because I’m not getting the correct answer, which is:y^2 = 49/8xThe final answer I am getting:f(x) = 7/64(X^2)Can you please break down the... more
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05/23/19

in 360 tosses of a pair of dice, 74 sevens and 24 elevens are observed.using a 0.05 level of significance test the hypothesis that the dice are fair.
in 360 tosses of a pair of dice, 74 sevens and 24 elevens are observed.using a 0.05 level of significance test the hypothesis that the dice are fair.
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05/23/19

Write an exponential function
Given the two points (2, 27) and (4, 243), write an exponential equation. I only know how to do this when the two points are right next to eachother. Help! 🙏
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04/14/19

Sampling Proportion
Suppose that 50% of the subscribers of a cable television company watch the shopping channel at least once a week. The cable company is trying to decide whether to replace this channel with a new... more
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04/14/19

2. A jar contains 2 pennies, 6 nickels and 4 dimes. A child selects 2 coins at random without replacement from the jar. Let X represent the amount in cents of the selected coins.
1.      A jar contains 2 pennies, 6 nickels and 4 dimes. A child selects 2 coins at random without replacement from the jar. Let X represent the amount in cents of the selected... more
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03/19/19

The Pacific halibut fishery has been modeled by the differential equation
The Pacific halibut fishery has been modeled by the differential equationdy/dt = ky(1-y/M)where y(t) is the biomass (the total mass of the members of the population) in kilograms at... more
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03/19/19

Two individuals are walking around a cylindrical tower. What is the probability that they can see each other?
It'd be of the greatest interest to have not only a rigorous solution, but also an intuitive insight onto this simple yet very difficult problem: Let there exist some tower which has the shape of... more
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03/19/19

Two individuals are walking around a cylindrical tower. What is the probability that they can see each other?
It'd be of the greatest interest to have not only a rigorous solution, but also an intuitive insight onto this simple yet very difficult problem: Let there exist some tower which has the shape of... more
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03/03/19

2 times a number added to another number is 25. Three times the first number minus the other number is 20 Find the two numbers.
I do not understand this.... Can someone help explain?
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02/27/19

math word problem
Against the wind a small plane flew 715 miles in 2 hours and 10 minutes. The return trip took only 1 hour nbspand 50 minutes. What was the speed of the​ wind? What was the speed of the plane in... more
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02/24/19

HOMEWORK HELP MATH

 Use the empirical rule to determine the area under the standard normal curve that lies between z=1.00 and z=2.00. (You are not being asked to find this exactly. Rather, you are being asked to... more
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