All Questions

-1

469

Help QUICKLY anyone

There exists a constant c so that among all chords of the parabola passing through
is a fixed constant. Find the constant

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Guest Feb 28, 2020

668

please help

Find the mean of 7 numbers if the mean of the first 4 numbers is 5 and the mean of the last 3 numbers is 12. What is the mean of the combined data sets?

brianlaw ●●

Guest Feb 28, 2020

607

help

There is an exam worth 145 with 50 questions. Some questions are worth 2 points and some are worth 5 points, how many two point questions are on the test?

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Guest Feb 28, 2020

528

quick problem - need help

The numbers 1,2, ..., 10 are to be entered into the 10 boxes shown below, so that each number is used exactly once:
\[P = (\square + \square + \square + \square + \square)(\square + \square + \square + \square + \square).\]

What read more ..

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Guest Feb 28, 2020

1324

help please

I run a book club with n people, not including myself. Every day, for 365 days, I invite four members in the club to review a book. What is the smallest positive integer n so that I can avoid ever having the exact same group of four members over all 365 read more ..

Rom ●●●

Guest Feb 28, 2020

698

geometry help

Triangles ABC and ADE have areas 2007 and 7002 respectively, with B=(0,0), C=(223,0), D=(680,380), and E=(689,389). What is the sum of all possible x-coordinates of A?

The answer is not -1238

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Guest Feb 28, 2020

-1

465

Help please

How many paths start at (0,0) end at point (6,3)in which at each step you can only move 1 unit up or to the right and also along no point along the path is the y coordinates are allowed to be larger than the x?

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Guest Feb 28, 2020

809

+17

Precalculus Question

Let u and v be real numbers such that
Find

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CCjump21 Feb 28, 2020

699

help with geometry

A solid metal sphere rests in a rectangular tray. The radius of the metal ball is 2cm. The width and the length of the base of the tray are 7cm and 12cm respectively. The depth of water in the tray is 2cm.
(a)Find the volume of the water in the tray
(b)If read more ..

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Guest Feb 28, 2020

682

help

Let and be vectors such that and . Compute the ratio .

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Guest Feb 28, 2020

670

help

ln how many ways can we distribute 7 apples and 6 oranges among 4 children so that each child gets at least one apple.

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Guest Feb 28, 2020

470

geometry please help!!! :(

In square , and are the midpoints of and , respectively. Line segments and intersect at . Let be the midpoint of , and let be the intersection read more ..

Guest Feb 28, 2020

557

How many 4 digit numbers have the property that the last digit is at least 4 times the first digit?

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Guest Feb 28, 2020

678

coordinate geometry

Write the equation of the circle satisfying the center (3,4) and tangent to 2x - y + 5 = 0

geno3141 ●

Guest Feb 28, 2020

-2

403

GEOM QUESTION HELP PLEASE

1. The circles x^2+y^2 and (x-3)^2+(y-5)^2=25 intersect in two points, say P and Q. Find the slope of line segment PQ.

THANK YOU SO MUCH read more ..

Guest Feb 28, 2020

821

+1995

check question

It takes 3.2×103 J of heat to melt an amount of gold (ΔHf=6.30×104 Jkg/) . How much gold do you have?
5.1 g
0.051 g
51 g read more ..

ElectricPavlov ●

jjennylove Feb 28, 2020

Feb 27, 2020

604

help

Tickets to the softball game are $4 for students and $7 for adults. If $795 was made at the last game and 165 people attended, how many students were at the game?

ElectricPavlov ●

Guest Feb 27, 2020

726

Suppose that ABC is a right triangle with right angle at B. If AC = 25 and the altitude BD = 20, what is AD?

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Guest Feb 27, 2020

548

need help ASAP!

An urn has 10 balls that are identical except that 5 are white and 5 are red. A sample of 6 is selected randomly without replacement. What is the probability that exactly 4 are white and 2 are red?

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Guest Feb 27, 2020

725

help

I had a deck of cards but I lost a few. When I play with 3 other people, I have three cards left. When I play with 2 other people 2 cards are left. When I play with 4 other people, I have 2 cards left. How many cards have I lost?

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Guest Feb 27, 2020

1540

+22

Please Help With This Question!!???

The equation of the perpendicular bisector of the line segment joining the points $(-3,8)$ and $(-5,4)$ is $y = mx + b$. Find $m+b$.

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INEEDHELPCUZIMSMART Feb 27, 2020

462

help

There are 24 students in your class. Your teacher wants to put you in groups for your data-management project. How many ways can six groups of four be made

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Guest Feb 27, 2020

782

+50

Probability Math Question

If 4 numbers from 1 to 100 are chosen at random, one at a time, find the probability that they will be chosen in decreasing order.

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jamesbroadman Feb 27, 2020

818

+50

Horse Math Question

A fence encloses a square field whose sides measure 8 m. A horse is tethered to a rope that is attached to a corner post of the field so that the horse is outside the fence. If the rope holding the horse is 13 m long, find the total grazing area of the read more ..

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jamesbroadman Feb 27, 2020

760

+50

Exponents Math Question

Find how many digits the base five number 5^(6^9) has when written in base five.

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jamesbroadman Feb 27, 2020

All Questions ⁺⁰238062 Questions

Help QUICKLY anyone

please help

help

quick problem - need help

help please

geometry help

Help please

Precalculus Question

help with geometry

help

help

geometry please help!!! :(

How many 4 digit numbers have the property that the last digit is at least 4 times the first digit?

coordinate geometry

GEOM QUESTION HELP PLEASE

check question

help

Suppose that ABC is a right triangle with right angle at B. If AC = 25 and the altitude BD = 20, what is AD?

need help ASAP!

help

Please Help With This Question!!???

help

Probability Math Question

Horse Math Question

Exponents Math Question

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