All Questions ⁺⁰237643 Questions

0

1347

1

+19

Triangular Number

What is the 20th triangular number?

AsdmacHK Apr 30, 2017

0

796

1

ratio

ratio of 11 minutes to 4 hours

Guest Apr 30, 2017

0

2746

3

+647

waffles

A 4" by 6" by 8" rectangular solid is cut by slicing through the midpoint of three adjacent edges. What is the number of inches in the sum of the lengths of the edges of the tetrahedron that is cut? read more ..

waffles Apr 30, 2017

0

813

1

What is 1 fourths divided by 5 eighths

What is 1 fourths divided by 5 eighths

Guest Apr 30, 2017

0

1514

1

6{51-(7-3)^2}

Guest Apr 30, 2017

+2

1042

1

+6

Algebra

The compact disc format has been declining in popularity, and one music executive has predicted that CD sales will decrease by 15% per year. If the executive's company sold 29,000,000 CDs this year, how many will the company sell 7 years from now? read more ..

AsiaDuncan Apr 30, 2017

+4

2110

1

+58

Algebra Question

For and , what is the value of that is not attainable? Express your answer as a common fraction.

Williamjwu8 Apr 30, 2017

0

1012

2

Order of operations question

-11+2(-5-6(-1-3(2-7))) is -189 by the calculator but when i do BEMDAS by hand I get 1,980. why is that?

Guest Apr 30, 2017

Apr 29, 2017

0

1261

2

Pythagorean theorem

a community is building a square park with sides that measure 120 meaters. to seperate the picnic area from the play area, the park is split by a diagonal line from opposite corners. determine the approximate length of the diagonal line that splits the read more ..

Guest Apr 29, 2017

+1

781

1

I need help.

what is 4 to the 3power divided by 78 times 56 and divided by 925=?

Guest Apr 29, 2017

0

835

2

Factorize (x 2 -0.7x+0.49) into two terms such that: (x- something) (x- something)

Factorize (x2 -0.7x+0.49) into two terms such that: (x- something) (x- something)

Guest Apr 29, 2017

+1

919

4

+183

Integers

What is the sum of integers 1 thru 10?

PsychoBaker Apr 29, 2017

+2

708

1

Radioactivity......

A radioactive substance has a half-life of H minutes. If a given amount of this element decays to 10% of its original mass in one hour, what is the half-life of this element? Thanks.

Guest Apr 29, 2017

0

1719

1

A die is rolled 12 times Find the probability of rolling no more than 4 twos

A die is rolled 12 times Find the probability of rolling no more than 4 twos

Guest Apr 29, 2017

0

1312

1

+647

rectangle

A 4" by 6" by 8" rectangular solid is cut by slicing through the midpoint of three adjacent edges. What is the number of inches in the sum of the lengths of the edges of the tetrahedron that is cut? read more ..

waffles Apr 29, 2017

0

1538

1

CAL

Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line. x = 3y2, x = 3; about x = 3

Guest Apr 29, 2017

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