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687

+738

inequality help pls!

Solve the inequality

read more ..

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lokiisnotdead Jun 21, 2020

463

help

Find the roots of x^2 - 20x - 69 = 0.

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Guest Jun 21, 2020

327

PLEASE HELP!

https://web2.0calc.com/questions/please-help_67510

Guest Jun 21, 2020

689

please help

If x, y, and z are positive real numbers satisfying the system above, then find x, y, and z.

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Guest Jun 21, 2020

842

Geno or someone please Help!

Let n and k be positive integers such that n < 10^6 and \[\binom{13}{13} + \binom{14}{13} + \binom{15}{13} + \dots + \binom{52}{13} + \binom{53}{13} + \binom{54}{13} = \binom{n}{k}.\]Enter the ordered pair (n,k).

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Guest Jun 21, 2020

527

help

Solve this equation

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Guest Jun 21, 2020

690

+185

Geometry, please help, thx!

Let WXYZ be a trapezoid with bases XY and WZ. In this trapezoid, ZXW=105 degrees, XWZ=43 degrees, and XYZ=141 degrees. Find YXZ, in degrees.

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Otterstar Jun 21, 2020

528

+256

Combonations Help

I have 3 types of pies. Out of the three types of pies, how many ways can I pick 6 pies? Assume there are more than 6 of each pie.

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BWStar Jun 21, 2020

-4

564

+12

help pls

no one stilled answered that's why I have to post it again

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DeluxeVegan Jun 21, 2020

465

please help!

In the figure shown we have a right trapezoid that was divided into two rectangles with areas of 56 and 14, and a smaller trapezoid with area of 9. What is the area of the blue triangle? (Image not drawn to scale)

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Guest Jun 21, 2020

460

need help

A company hires 16 workers to finish a certain job in 18 hours. If the company wants to shorten the time to 8 hours, then how many extra workers are needed? Assume that all of the workers work at the same constant rate.

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Guest Jun 21, 2020

836

Help!

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Guest Jun 21, 2020

482

+41

help

Evaluate if and

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OliverWood Jun 21, 2020

639

What is the value of $b+c$ if $x^2+bx+c>0$ only when $x\in (-\infty, -2)\cup(3,\infty)$?

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Guest Jun 21, 2020

562

PLEASE HELP!

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

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Guest Jun 21, 2020

325

quadratic

The maximum point of the function f(x) = ax^2 + ax + 14x + a - 16 is on the x-axis and the y-intercept is (a,b). If so, what is a+b ?

Guest Jun 21, 2020

373

help is urget, I really appreciate your time

If , find when equals the simplified fraction (where k,l,m,n are all integers)

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Guest Jun 21, 2020

351

PLEASE HELP!

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?

I got 184 and 200 but they are wrong...

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Guest Jun 21, 2020

508

+41

help

If a and b are integers, such that a does not equal 0 and b doe not equal 0 and and the quares of a and b have at most two digits, what is the greatest possible difference between the squares of a and b

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OliverWood Jun 21, 2020

331

quadratic

The graph above is a quadratic function, y =x^2+kx-2 for some constant k. What is the solution to the quadratic inequality x^2 + kx-2 < 0?

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Guest Jun 21, 2020

502

help

The lengths of the sides of a triangle are 10, 17 and 21. How long is the altitude of the triangle to longest side?

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Guest Jun 21, 2020

554

+41

problem i need help

Some perfect squares (such as 100), have a digit sum (1+0+0=1) that is equal to the digit sum of their square root (1+0=1). Some other perfect squares (such as 121), have a digit sum (1+2+1=4) that is equal to the square of the read more ..

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OliverWood Jun 21, 2020

515

help

Find the sum of all the numbers in this series:
(101+97+93+89+85+...+5+1)

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Guest Jun 21, 2020

626

In triangle ABC the angle bisector of BAC meets BC at D such that AD = AB. Line segment AD is extended to E such that CD equals CE and DBE

In triangle ABC the angle bisector of BAC meets BC at D such that AD = AB. Line segment AD is extended to E such that CD equals CE and DBE = BAD show how triangle ACE is isosceles. Also please explain. Thank you. read more ..

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Guest Jun 21, 2020

340

help

Find the equation of the parabola in the image.

Guest Jun 21, 2020

All Questions ⁺⁰230838 Questions

inequality help pls!

help

PLEASE HELP!

please help

Geno or someone please Help!

help

Geometry, please help, thx!

Combonations Help

help pls

please help!

need help

Help!

help

What is the value of $b+c$ if $x^2+bx+c>0$ only when $x\in (-\infty, -2)\cup(3,\infty)$?

PLEASE HELP!

quadratic

help is urget, I really appreciate your time

PLEASE HELP!

help

quadratic

help

problem i need help

help

In triangle ABC the angle bisector of BAC meets BC at D such that AD = AB. Line segment AD is extended to E such that CD equals CE and DBE

help

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