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693

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Ronald is a baseball player. When he hits a baseball, the height of the ball can be modeled by the following function, where t is the number of seconds after the ball is hit and h(t) is the height of the ball in feet after t seconds.
h(t)=−16t2+90t+4 read more ..

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Guest Jun 15, 2020

589

help!

The square root of h is greater than 10/3 and less than 24/5. How many integer values of h satisfy this condition?

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Guest Jun 15, 2020

622

help

Three men and eight machines can finish a job in half the time taken by three machines and eight men to finish the same job. If two machines can finish the job in 13 days, then how many men read more ..

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Guest Jun 15, 2020

617

help

Solve for x:

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Guest Jun 15, 2020

472

Counting and Probability

How many ways are there to put 9 differently colored beads on a 3 by 3 grid if the purple bead and the green bead cannot be adjacent (either horizontally, vertically, or diagonally), and rotations and reflections of the grid are considered the same? read more ..

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Guest Jun 15, 2020

612

Help With Math (Descriptive Answer, Please)

A hotel has 100 rooms, numbered 1-100, and each room has a blue door. The manager decides the doors need new paint, so she has them all painted red.
Then the manager decides that she would like every other door painted blue, beginning with read more ..

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Guest Jun 15, 2020

-3

763

+117

plz help

Explain who the following Mesopotamian key figures were and why they were
important
Zoroaster:
Hammurabi: read more ..

off-topic

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grannygod123 Jun 15, 2020

646

Floor question

Solve for x.

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Guest Jun 15, 2020

472

help

The sum of coefficients of integral powers of x in the binomial expansion of (1-2\sqrt{x})^{10} is equal to what?

Guest Jun 15, 2020

927

help

An equilateral triangle of side length 2 units is inscribed in a circle. Find the length of a chord of this circle which passes through the midpoints of two sides of the triangle.

read more ..

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Guest Jun 15, 2020

650

I hate to be this person about a math question

So umm I asked a question a coupple days ago and umm I still need help... I feel like I should be able to understand but I can't. I still want to understand and get an answer about this... I have to link to my other question here. https://web2.0calc.com/questions/two-geometry-questions-help-please read more ..

off-topic

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Guest Jun 15, 2020

517

question need help

Each number in the list below can be paired with a different number in the same list to make an integer product except for one number. What is the letter corresponding to the one exception?
A. sqrt40
B. sqrt54
C. sqrt60
D. sqrt90 <#> E. read more ..

Guest Jun 15, 2020

559

need some helpp

Let for x > -2, and for x < -2. (f(x) is not defined at x = -2.) Which integer is not in the range of f(x)

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Guest Jun 15, 2020

486

help

Consider real numbers m and n such that −1+2i is a root of the quadratic equation x^2+mx+n=0. If m and n are the two roots of the quadratic equation x^2+Ax+B=0, what is the value of B-A? read more ..

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Guest Jun 15, 2020

629

HELP QUICK

Lines l and m are parallel to each other. Angle A = 120, and angle B = 150 degrees. What is the number of degrees in of angle C?

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Guest Jun 15, 2020

-2

696

+26

number theory

How many zeros are at the end of 1000!?

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guesttttt Jun 15, 2020

1621

Help please

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?
A certain club has 50 people, and 4 members are running read more ..

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Guest Jun 15, 2020

666

help

Find the number of 6-term strictly increasing geometric progressions, such that all terms are positive integers less than 1000.

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Guest Jun 15, 2020

634

help

If x and y are positive integers, find the number of solution of the equation 3x + 5y = 1008

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Guest Jun 15, 2020

658

+24

simplify

another help pls thanks for the help :3

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ThisIsDm Jun 15, 2020

717

hard algebra

Simplify

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Guest Jun 15, 2020

662

+24

My exam have mistakes xD

i think what is D but with other exp.

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ThisIsDm Jun 15, 2020

632

help

If a + b + c =11 and ab + bc + ac = 25,then find the value of a^3 + b^3 + c^3 – 3abc

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Guest Jun 15, 2020

All Questions ⁺⁰237808 Questions

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help!

help

help

Counting and Probability

Help With Math (Descriptive Answer, Please)

plz help

Floor question

help

help

I hate to be this person about a math question

question need help

need some helpp

help

HELP QUICK

number theory

Help please

help

help

simplify

hard algebra

My exam have mistakes xD

help

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