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545

Answer please

–6 – (–10)

off-topic

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Guest Aug 19, 2020

913

+274

1st Question of the Math Web2.0calc forum Questions Contest Hosted by Qwerty!

Four people can paint a house in six hours. How many hours would it take three people to paint the same house, assuming everyone works at the same rate?

Let the first right answer win!

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qwertyuiopasdfghjkl Aug 19, 2020

281

please help

Sovle 16^x - 25*4^x + 24 = 0.

Guest Aug 19, 2020

554

+16

ALSO FOR THE FUTURE

5. Debbie has an ample supply of square ceramic tiles with the patterns shown below. She intends to create a horizontal, rectangular wall decoration by cementing three of the squares to the wall in a row. How many different designs can she create in this read more ..

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underatedperson Aug 19, 2020

342

algebra

What is the coefficient of y in the expansion of (4x - y + 4)(x + 2y - 3)?

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Guest Aug 19, 2020

765

+165

help

Quadrilateral PQRS is a trapezoid with bases PQ and RS. The median MN meets the diagonals PQ and RS at X and Y, respectively. If SR=20 and XY=7, find PQ.

read more ..

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viola Aug 19, 2020

475

geometry

Please help, I need to find x.

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Guest Aug 19, 2020

506

Help drawing functions

Question: Graph sinx - cosx on (0,2pi)

how to graph???
also is this graphable on a graphing calc...if so how? (if its graphable help me with the maxmin windows as well) read more ..

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Guest Aug 19, 2020

1128

+133

Let x, a, b, c be nonnegative real numbers. Prove that

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SpicyP Aug 19, 2020

-1

502

HELP

3^3+(2-8)^2-[(6-7)(14)+2

off-topic

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Guest Aug 19, 2020

356

HELP

3^3+(2-8)^2-[(6-7)(14)+2

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Guest Aug 19, 2020

546

system

Solve

x+y+z=10
−2x−2y−z=−32 read more ..

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Guest Aug 19, 2020

540

help soon please :)

What is the largest integer n such that 3^n is a factor of $1 \times 3 \times 5 \times \ldots \times 97 \times 99$?

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Guest Aug 19, 2020

397

Need help very fast please

If x is an element of the set $\{ -1, 1, 2 \}$ and y is an element of $\{ -2, -1, 0, 1, 2 \}$, how many distinct values of x^y are positive?

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Guest Aug 19, 2020

523

help with geometry!

A, B, C and D lie on a circle centre O. AC is a diameter of the circle. AD, BE and CF are parallel lines. Angle ABE = 48° and angle ACF = 126°. Find:
(a) angle DAE,
(b) angle EBC,
(c) angle BAE.

read more ..

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Guest Aug 19, 2020

450

pls halp asappp !!!!

A certain club has 50 people, and 4 members are running for president. Each club member votes for one of the 4 candidates. How many different possible vote totals are there?

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Guest Aug 19, 2020

Aug 18, 2020

450

geometry

What is the range of possible sizes for side x?

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Guest Aug 18, 2020

507

please help!

I don't know what to do here.

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Guest Aug 18, 2020

484

arithmetic progression

The sum of the fourth and eighth term of an arithmetic progression is 24, and the sum of the sixth and tenth terms is 44. FInd the first three terms of the arithmetic progression.

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Guest Aug 18, 2020

356

coordinate question

The midpoint M and one endpoint of JK are given. Find the coordinates of the other endpoint. J(2,16) and M(-9/2 ,7)

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Guest Aug 18, 2020

427

help please

Can you write the equation for each line?

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Guest Aug 18, 2020

369

I need help on the math problem

Find the complex number z that satisfies

(1+i)z-2*(the conjagate of z)=-11+25i
read more ..

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Guest Aug 18, 2020

1134

help

The gravitational force that Earth exerts on an object is inversely proportional to the square of the distance between the center of the Earth and the object. When Bill is on the surface of Earth, 4,000 miles from the center, the gravitational force is read more ..

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Guest Aug 18, 2020

All Questions ⁺⁰232255 Questions

Answer please

1st Question of the Math Web2.0calc forum Questions Contest Hosted by Qwerty!

please help

ALSO FOR THE FUTURE

algebra

help

geometry

Help drawing functions

Let x, a, b, c be nonnegative real numbers. Prove that

HELP

HELP

system

help soon please :)

Need help very fast please

help with geometry!

pls halp asappp !!!!

geometry

please help!

arithmetic progression

coordinate question

help please

I need help on the math problem

help

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