All Questions

915

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Find the number of ordered pairs (m, n) of integers that satisfy
mn = 2m + 4n

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Guest Apr 1, 2020

Mar 31, 2020

730

+287

Please Help Urgent (Math)

Please Help

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Mathisgood Mar 31, 2020

-2

493

+87

2 balls

A bag contains five white balls and four black balls. Your goal is to draw two black balls.
You draw two balls at random. Once you have drawn two balls, you put back any white balls, and redraw so that you again have two drawn balls. What is the probability read more ..

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Coolio Mar 31, 2020

1227

need help, very confused

Question: Let a, b, c, d, e, f be nonnegative real numbers.
Part A: Prove that

Part B: Prove that read more ..

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Guest Mar 31, 2020

505

help

Let ABCD be an isosceles trapezoid, with bases AB and CD. and A circle is inscribed in the trapezoid, as shown below. (In other words, the circle is tangent to all the sides of the trapezoid.) The length of base AB is 2x and the length read more ..

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Guest Mar 31, 2020

619

+287

Please Help Urgent (Math)

Please help

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Mathisgood Mar 31, 2020

-2

882

+87

Stick length

A stick has a length of 5 units. The stick is then broken at two points, chosen at random. What is the probability that all three resulting pieces are longer than 1 unit?

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Coolio Mar 31, 2020

-2

790

+87

Geometry Probability Problem

Four points W, X, Y, and Z are chosen at random on a circle. Find the probability that chords WX and YZ intersect.

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Coolio Mar 31, 2020

798

A nickel is 0.185 cm thick. How thick is a roll of nickels worth $2?

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Guest Mar 31, 2020

649

help

If Q = 5+2i, E = i, and D = 5-2i, find QED.

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Guest Mar 31, 2020

547

please help

Simplify

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Guest Mar 31, 2020

666

sphere

Find the volume of a sphere that is circumscribed about a cube with a volume of 216 cubic inches.

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Guest Mar 31, 2020

743

help plz!!

Fill the blank with a constant, so that the resulting expression can be factored as the product of two linear expressions:
3ab - 12a + 7b + __

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Guest Mar 31, 2020

454

+38

just wondering pt4

do you watch anime if so which one if not what show are you watching?

extra question:
what games are you playing? read more ..

off-topic

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Fouth Mar 31, 2020

514

help

Suppose that a is inversely proportional to b. If a=-3 when , b=16 find a when b=8. Express your answer as a fraction.

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Guest Mar 31, 2020

664

help

Hue is arranging chairs. She can form 2 rows of a given length with 1 chair left over, or 8 rows of that same length if she gets 11 more chairs. How many chairs are in each row?

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Guest Mar 31, 2020

362

Help please?:)

A little confused on this problem. Help would be appreciated!
Consider the projection matrix P that satisfies Pv=Projection of v onto (4;1).
Use the picture below to find 3 vectors with integer components and read more ..

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Guest Mar 31, 2020

1677

+1982

Plants regulating their _____ is the most important function for a plant.

Plants regulating their _____ is the most important function for a plant.

A. ion balance
B. root structure read more ..

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macabresubwoofer Mar 31, 2020

661

help

Serial numbers for a product are to be made using 4 letters followed by 2 digits. The letters are to be taken from the first 6 letters of the alphabet, with no repeats. The digits are taken from the 10 digits 0, 1, 2, ..., 9, with no repeats. How many serial read more ..

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Guest Mar 31, 2020

989

+1982

Homeostasis in the human body is usually maintained by -

Homeostasis in the human body is usually maintained by -

A. negative feedback.
B. positive feedback. read more ..

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macabresubwoofer Mar 31, 2020

-2

675

+223

HALP ME!

1: Each gallon of paint covers 200 square feet. I have to paint one side of a wall that is meters 12 tall and 60 meters long. If a foot is approximately 0.3048 meters, then what is the smallest whole number of gallons I can buy and have enough paint to read more ..

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CPhilFanboy Mar 31, 2020

381

Cross product help

Let be vectors such that
Then evaluate

Guest Mar 31, 2020

647

help please

Tom hit golf balls at the driving range every 3 days practice putting every 4 days and goes golfing every 6 days if he did all three activities today how and how many days will he do all three activities again

Impasta ●●

Guest Mar 31, 2020

364

Help please

Let A, B, C and D be the following matrices:

a) For each matrix in the list above, figure out whether the matrix is read more ..

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Guest Mar 31, 2020

All Questions ⁺⁰234778 Questions

Help

Please Help Urgent (Math)

2 balls

need help, very confused

help

Please Help Urgent (Math)

Stick length

Geometry Probability Problem

A nickel is 0.185 cm thick. How thick is a roll of nickels worth $2?

help

please help

sphere

help plz!!

just wondering pt4

help

help

Help please?:)

Plants regulating their _____ is the most important function for a plant.

help

Homeostasis in the human body is usually maintained by -

HALP ME!

Cross product help

help please

Help please

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