All Questions ⁺⁰230619 Questions

0

498

1

help with hard probability

Three integers are chosen at random without replacement from the first 20 positive integers. What is the probability that their product is even?

Guest Jun 29, 2020

0

851

1

+28

Hard Geometry Question

Polyhedron "P" is inscribed in a sphere of radius 36 (meaning that all vertices of lie on the sphere surface). What is the least upper bound on the ratio
In other words, what is the smallest real number "t" such that: read more ..

bunnybeer Jun 29, 2020

0

674

5

question halp plz

Let and be chords of a circle, which intersect at S, as shown. If ST = 3, TU = 15, and VW = 3, then find SW.

I have found the answer read more ..

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Guest Jun 29, 2020

0

3

875

1

+212

Find the value of such that the three points , and lie on the same line.

Find the value of such that the three points , and lie on the same line.

Note: Three points are on the same line if the slope of the line through any two points is always the same.

Filliqq Jun 29, 2020

0

411

1

help

How many 5-digit numbers are there, where the leftmost digit and the rightmost digit are both even?

Guest Jun 29, 2020

0

290

0

help with function

If f(-4) = 1 and g(x) = f(-x/3), what point can you determine on the graph of g?

Guest Jun 29, 2020

0

314

0

Math problem

where can I calculate 2ndf loga=2.6449

Guest Jun 29, 2020

0

350

0

Can you help

As shown above, a 5×5×5 cube has been punched through so that there will always be two 1×1 square holes when looking from up, front and left.

Find the surface area of this solid. (Including the interior part) read more ..

Guest Jun 29, 2020

0

413

2

For how many integers where is odd?

For how many integers where is odd?

Guest Jun 29, 2020

0

497

1

To fill an empty cistern, we can use pipe A which would take 20 minutes, or we can use pipe B which would take 15 minutes, or we can use

To fill an empty cistern, we can use pipe A which would take 20 minutes, or we can use pipe B which would take 15 minutes, or we can use pipe C which would take 12 minutes.
If we turned on all three pipes, how long will it take to fill up the empty read more ..

Guest Jun 29, 2020

0

560

2

I have Covid 19 help

I have Covid 19 help

Guest Jun 29, 2020

0

365

2

help with geometry

Find the area of the circle if the side length of square is 10.

Guest Jun 29, 2020

-1

414

1

help

E + F = 22
F + G = 25
E + G = 23
A + B = 19 read more ..

Guest Jun 29, 2020

-3

2965

5

+219

Help please :)

Two 2*3 rectangles overlap, as shown below. Find the area of the overlapping region (which is shaded).

read more ..

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Noori Jun 29, 2020

-1

417

1

HELLP

Guest Jun 29, 2020

-1

376

2

maths

Find two numbers which add to give 5 and multiply to give -14?

Guest Jun 29, 2020

-1

1523

5

+118609

Message from CPhill.

Hi all,

I just got in touch with CPhill.
He says he is fine, he just wanted to take a break. He thinks he will be back in/after the Fall. read more ..

off-topic

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Melody Jun 29, 2020

-1

1016

1

I need help please!

What is the perimeter of the polygon formed when the points $A(-6,6), B(9,6)$ and $C(9,-2)$ are graphed and connected with straight lines?

Guest Jun 29, 2020

-1

532

1

) Решите уравнение 5^5х+1 = 25^2х

) Решите уравнение 5^5х+1 = 25^2х

off-topic

Guest Jun 29, 2020

0

573

2

hard geometry

ABCD is a right trapezium with AB parallel to CD and ∠BAD=∠ADC=90∘. The diagonals AC and BD intersect at E. If AB=7, DC = 28 and AD = 75AD=75, what is the area of triangle BEC?

Guest Jun 29, 2020

-1

502

2

help

Let f(x) = (x - 1)/(x + 1). Compute f(f(f(5))).

Guest Jun 29, 2020

-1

458

1

Convert into vertex form.

Convert into vertex form.

Guest Jun 29, 2020

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