6,964 Answered Questions for the topic mathematics
04/30/21
Find the new quadratic form?
Classify the quadratic form below. Then make a change of variable, x=Py, that transforms the quadratic form into one with no cross-product terms. Write the new quadratic...
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04/30/21
Find the new quadratic form
Classify the quadratic form below. Then make a change of variable, x=Py, that transforms the quadratic form into one with no cross-product term. Write the new quadratic form.2x21 + 8x1x2+2x22What...
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04/30/21
Calculus, Applications of Integration
How would you find the volume of the solid of revolution formed when the curve 𝑦=(√sin𝑥) between 𝑥=0 and 𝑥=𝜋 is revolved about the 𝑥-axis?
good explanation need help needed
Which shape is represented by the net? What is the surface area and volume?
Mathematics
04/29/21
Use the situation below to fill in each blank:
A salesperson is paid $60 per week plus $4.50 per sale. THIS WEEK, the salesperson wants to earn more than $240. How many sales must the salesperson make in order to meet that goal?Translated...
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Monica and Michael
Monica and Michael both want to buy a scooter. Monica has already saved $25 and plans to save $5 per week until she can buy the scooter. Michael has $16 and plans to save $8 per week. In How many...
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NEED AN EXPERT FOR PROPORTIONAL RELANTIONSHIPS
Hector consumed 345 calories after drinking 3 sodas. The amount of calories he drinks is proportional to the number of sodas. What is the value of r in the equation y = rx when x is the number of...
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Mathematics Precalculus
04/29/21
How do I find all solutions for the following equation? 2cos(2Θ) + 1 = 0
Find a degree 3 polynomial with real coefficients having zeros at 4 and 4i and a lead coefficient of 1.
Write P in expanded form.
04/29/21
Statistics Question
Suppose that mutations in a virus occur in the time interval [0, t] according to the following assumptions:i) Divide the interval [0, t] into n equal intervals, each of width t/nii) Let n be very...
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04/29/21
probability question involving cards
As 4 cards are take out of a deck, what would the probability be if the 4th card is a RF card or a J, when the J of diamonds is the 1st card selected, 2nd the Q of hearts, 3rd three of...
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Mathematics
04/29/21
Rational Number Operations Question
mr.smith bought 2 1/2 pounds of chicken that cost $4.00 per pound and 3 pounds of beef that cost 7.50$ per pound. how much money did Mr.Smith spend
04/29/21
Statistics Question
Let X have a U(0, 1) distribution, with cumulative distribution function F(·). Prove that Y = − ln(1 − F(X)) has an exponential distribution and give its parameter. Then, derive the moment...
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Probability Question, which game would you play?
1.which would you prefer to play,a game with odds of 3:4 against winning or a game of odds of 2:3 infavor of winning ?explain using probabilities.
probability question, Find the probability that Anna will,
Question:Anna predicts that she has an 80% chance of passing Science and a 90% chance of passing Geography. Find the probability that Anna will, a) pass both science and geography (is the answer...
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Question The odds in favour of Daniel making the volleyball team are...
1.The odds in favour of Daniel making the volleyball team are 3:7 while the odds in favour of Liammaking the team are 2:5. Assume only one of them can make the team. What are theodds in favour of...
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probability Question
1.Lily is given the task of designing a game, as part of the game, a player is to select a card and roll a die.does it matter if the die is rolled first or the card is chosen first? explain please,...
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04/28/21
Question The odds in favour of Daniel making the volleyball team are...
1.The odds in favour of Daniel making the volleyball team are 3:7 while the odds in favour of Liammaking the team are 2:5. Assume only one of them can make the team. What are theodds in favour of...
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04/28/21
Which of the following equations represents a linear relationship? y=1/4x or y=2x+3 or y=x^2
04/28/21
Please help, Probability Q
1.Tomorrow's chances of getting a lot of snow are 0.2 (Probability). There is a 75% chance that Kate will be late for school if it snows. If it does not snow, there is a 35 percent chance that she...
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04/28/21
Are both of theses sets of orderd pairs a function? {(4,2) (3,15) (2,18) (1,21)} {(-6,8) (-3,4) (3,0) (6,-4)}
I don't understand if they are functions or not because they both have no repeating x-factors.
Amount of fencing required
1.a) Determine the amount of fencing required to fully enclose the section of the backyard enclosing a pool area.The diagram of the section is given above. Show all your work.b) If the fencing is...
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Determining dimensions of a rectangle
A rectangular section of a field is to be fenced. One side is bordered by a creek so only three sides will be fenced, the area for this section is 60 m2. Determine the dimensions of the section...
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Fencing question
A farmer has 600 ft of fencing. He wants to create a rectangular section away from the barn for horses. a) Help the farmer determine the dimensions that will allow for the maximum area. b) Now...
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Mathematics
04/28/21
application-converting metric units
alex wants to share 3 l of orange juice with her friends.if each person drinks 500 ml of orange juice,how many people can drink the orange juice?
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