All Questions ⁺⁰238122 Questions

0

355

0

answer

3.8×10 2 3.8×102 times 8.6×10 5

Guest Feb 18, 2019

0

472

0

alg2 help

Guest Feb 18, 2019

0

776

8

help

If , solve for the value of a so that .

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Guest Feb 18, 2019

0

812

5

i need to rewite this equation also without fractions

i need to rewite this equation also without fractions

2/3x + 4 = 2/5

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Guest Feb 18, 2019

0

3671

3

how do i rewrite this equation without fractions?

how do i rewrite this equation without fractions?

5-3/4x=3/8

Guest Feb 18, 2019

0

858

2

Geometric Series Question

A woman labels the squares of a very large chessboard 1 through 64. On each square k, the woman puts 2^k grains of rice. How many more grains of rice are placed on the 10th square than on the first 8 squares combined?

Guest Feb 18, 2019

0

788

1

Please Help!

Find all values for which there exists an ordered pair satisfying the following system of equations:
List only the values for .

Guest Feb 18, 2019

0

491

1

hi anyone know this?

800/10,560

reduced as a fraction.
read more ..

Guest Feb 18, 2019

Feb 17, 2019

+1

855

1

+537

Quadratics Help

The graph of the equation , where a, b, and c are constants, is a parabola with an axis of symmetry as . Find .

MathCuber Feb 17, 2019

-1

1337

4

+4623

Cool Question

A sphere is inscribed inside a hemisphere of radius 2. What is the volume of this sphere?

4/3 pi is right! Good job everyone, and hopefully I'll post my solution, later.

tertre Feb 17, 2019

0

847

1

I need help

Simplify the following expression to a simplified fraction:

Guest Feb 17, 2019

0

590

1

Heeeeelllllp pleeeaaaasssseeee

https://latex.artofproblemsolving.com/b/d/2/bd26c8581a69e84689ba814cd328ebcf18b49c1d.png
In the link above, every pair of segments which do not intersect are parallel, and the measure of angle is . What is the total number read more ..

Guest Feb 17, 2019

0

795

1

+308

HHHHHEEEELLLLPPPPP

What is the area of the square below?

notsmart2.0 Feb 17, 2019

+1

1455

4

+63

Probability problem

An ant moves on the following lattice, beginning at the dot labeled A. Each minute he moves to one of the dots neighboring the dot he was at, choosing from among its neighbors at random. What is the probability that after 5 minutes he is at the dot read more ..

vindou Feb 17, 2019

0

515

1

A couple of squares

How many pairs of squares, A and B, between 1 and 1,000,000 will satisfy the following equation? This is an assignment for our computer coding class. I realize that not many on this forum tackle question in computer programming. But any help from anybody read more ..

Guest Feb 17, 2019

0

1577

1

+1246

Help!

An equilateral triangle has two vertices at (0,5) and (8,5). If the third vertex is in the first quadrant, what is the y-coordinate? Express your answer in simplest radical form.

read more ..

Lightning Feb 17, 2019

+4

924

2

+394

Probablity (Odds) Problems

1. It is known that a fair coin is flipped 10 times. Given that the coin landed heads up at least 3 times, what is the odds that it landed heads up 7 times?
2. Given that the members of set M are all the positive factors of 25 and the members read more ..

hellospeedmind Feb 17, 2019

0

726

1

please help

The graphs of a function and its inverse function intersect at the point . Given that and are both integers, what is the value of ?

Guest Feb 17, 2019

+2

683

1

simplifying

how do i simplify 9a-2(b+3a)

Guest Feb 17, 2019

+1

609

2

help me

How many positive integers n with have square roots that can be expressed in the form where a and b are integers with ?

Guest Feb 17, 2019

+1

1567

1

need help

The sum of a certain infinite geometric series is $2$. The sum of the squares of all the terms is $3$. Find the common ratio.

Guest Feb 17, 2019

+1

765

1

Math

A sociologist found that in a sample of 50 retired men, the average number of jobs they had during their lifetimes was 7.2. The population standard deviation is 2.1.

a. What is the 95% confidence interval of the mean number read more ..

Guest Feb 17, 2019

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