All Questions

456

probability

Suppose I throw a fair die, and then you throw the fair die. What is the probability that your number is strictly greater than mine?

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Guest Jun 26, 2020

596

help

A person aims at a bird on top of a 5m pole with an angle of elevation of 30 degree. Distance of the person from pole is- Answer upto 2 decimals.

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Guest Jun 26, 2020

690

helppppp I am stuck

Marvin the fly starts at Each step, Marvin moves one unit right or one unit up. He is trying to get to the point . However, at there is a frog that will eat him if he goes through that point. In how many ways can Marvin reach ? read more ..

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Guest Jun 26, 2020

560

help

Place distinct digits from 0 through 9 in the boxes to get the minimum possible sum. Submit your answer as this minimum sum.

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Guest Jun 26, 2020

666

+13

Help please! I need some help with this problem.

How many ways can you distribute 4 identical balls among 4 different boxes?

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Zaiyi Jun 26, 2020

608

please help

In a box there are 9 balls, 5 of them are white balls and 4 others are red balls so i decided to take 3 balls from the box. What is the probabilty i get at least 1 red ball?

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Guest Jun 26, 2020

537

number theory

Find the smallest whole number that, when divided by 5, 7, 9, and 11, gives remainders of 1, 2, 3, and 4, respectively.

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Guest Jun 26, 2020

718

+185

Algebra, please help!

1. The roots of are a and b. Compute (a-4)(b-4).

2. The real numbers x and y are such that x + y = 4, x^2 + y^2 = 22, and x^4 = y^4 - 176 sqrt(7). Compute x-y.

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Otterstar Jun 26, 2020

Jun 25, 2020

670

help

In a box there are 9 balls, 5 of them are white balls and 4 others are red balls so i decided to take 3 balls from the box. What is the probabilty i get at least 1 red ball?

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Guest Jun 25, 2020

706

+133

question need help :)

The sequence is defined by and

for read more ..

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SpicyP Jun 25, 2020

547

help

R is a vertex of the face of a cube whose edges measure 2cm, while Q is the center of the opposite face. Determine the length of RQ.

read more ..

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Guest Jun 25, 2020

769

+866

I need a hint on how to compute this:

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AnimalMaster Jun 25, 2020

977

help

Find the equation of the line passing through (5,-3) that is parallel to the line 8x - y = 7.

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Guest Jun 25, 2020

615

+866

are exponents considered terms?

For example, is 10^2 considered a term?

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AnimalMaster Jun 25, 2020

647

+163

Geometric Sequences (Challenge Problem)

and are both nonconstant geometric sequences with different common ratios. We have . Find the sum of the common ratios of the two sequences.

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Firebolt Jun 25, 2020

1105

HELP ASAP - GRAPHING Q'S

1) What is the slope of the line containing the midpoint of the segment with endpoints at (2,4) and (0,-2) and the midpoint of the segment with endpoints at (5,1) and (1,5) Express your answer in simplest form.

2) Suppose read more ..

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Guest Jun 25, 2020

524

help with counting

Four letters (numbered 1, 2, 3, 4, 5) are to be placed in four envelopes (numbered 1, 2, 3, 4, 5), so that no letter goes into the right envlope. Also, letter 1 goes into envlope 2. How many ways can the other letters be placed?
<read more ..

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Guest Jun 25, 2020

689

help

What is the last digit of ?

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Guest Jun 25, 2020

455

Triangles

How do you find the measure of an angle for a triangle with the sides of 125.1, 73.7 and 80.6?

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Guest Jun 25, 2020

804

+113

Please help

Determine the number of five-digit integers (37abc) in base 10 such that each of the numbers (37bca), (37cab) and (37cab) is divisible by 37.

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QuestionsBug Jun 25, 2020

1137

+113

Please help

Find all positive integers n, less than 17, for which n!+(n+1)!+(n+2)! is an integral multiple of 49.

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QuestionsBug Jun 25, 2020

723

+113

Please help

The graph of the parabola defined by the equation y=-(x+1)^2+1 is shifted 1 unit to the right, then shifted 5 units down, then rotated 180 degrees about its vertex. The resulting parabola has zeros at x=a and x=b, where b≥a. What is b-a? read more ..

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QuestionsBug Jun 25, 2020

-1

1051

+113

Please help

For what value of k does the equation x^2+10x+y^2+6y-k=0 represent a circle of radius 6?

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QuestionsBug Jun 25, 2020

423

help with counting

Find the number of subsets of {1, 2, 3, ..., 10}, where the sum of the smallest element an the largest element is equal to 11.

Guest Jun 25, 2020

1383

+34

There's no 8 by the way...

Neil and Jean each choose a number at random from the set {1, 2, 3, 4, 5, 6, 7, 9, 10}; their numbers are allowed to be the same. What is the probability that the product of those two numbers is even?

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AppIePi Jun 25, 2020

All Questions ⁺⁰237808 Questions

probability

help

helppppp I am stuck

help

Help please! I need some help with this problem.

please help

number theory

Algebra, please help!

help

question need help :)

help

I need a hint on how to compute this:

help

are exponents considered terms?

Geometric Sequences (Challenge Problem)

HELP ASAP - GRAPHING Q'S

help with counting

help

Triangles

Please help

Please help

Please help

Please help

help with counting

There's no 8 by the way...

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