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... more

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... more

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?
Mathematics Math Algebra 1 Algebra 2

04/29/21

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... more
Mathematics Math Maths

04/29/21

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... more
Mathematics Math Sat Math Act Math

04/29/21

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... more
Mathematics Math Algebra 2

04/29/21

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... more

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... more
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... more
Mathematics Math Algebra 1 Algebra 2

04/28/21

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.
Mathematics Math Algebra 1 Algebra 2

04/28/21

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... more
Mathematics Math Algebra 1 Algebra 2

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... more
Mathematics Math Algebra 1 Algebra 2

04/28/21

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,... more
Mathematics Math Algebra 1 Prealgebra

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... more
Mathematics Math Prealgebra Statistics

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... more
Mathematics Math Pre Algebra

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.
Mathematics Math Sat Math Act Math

04/28/21

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... more
Mathematics Math Sat Math Act Math

04/28/21

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... more
Mathematics Math Sat Math Act Math

04/28/21

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... more
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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