All Questions

978

+308

what is the sum of all integers n that satisfy -3n<7n-20<3n

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notsmart2.0 Feb 10, 2020

-1

768

+1348

interest problem

Ms. Buxx invested a total of $2000 in two savings accounts. The first account pays 3% interest per year. The second account pays 5% interest per year. If the interest from both accounts totals $84 per year, how much is invested in each account? read more ..

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sandwich Feb 10, 2020

-1

685

+1348

class committee

What is the number of different ways to choose a chairman, two deputies, and two assistants for the class committee out of 7 students up for elections.

AnimalMaster ●

sandwich Feb 10, 2020

-1

759

+1348

380 factorial

How many zeros are at the end of 380!

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sandwich Feb 10, 2020

-1

810

+1348

basketball games

A certain basketball team that has played 2/3 of its games has a record of 17 wins and 3 losses. What is the greatest number of the remaining games that the team can lose and still win at least 3/4 of all of its games?

AnimalMaster ●

sandwich Feb 10, 2020

-1

726

+1348

probability

If the probability that Stock A will increase in value during the next month is 0.54, and the probability that Stock B will increase in value during the next month is 0.68. What is the greatest value for the probability that neither of these two events read more ..

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sandwich Feb 10, 2020

470

help

I have 5 different latin textbooks and 4 different geography textbooks. In how many ways can I place the 9 textbooks on a bookshelf, in a row, if there must be a geography textbook in the middle, and there must be a latin textbook at each read more ..

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Guest Feb 10, 2020

-1

833

+1348

rate problem

If Samson is filling a bathtub with COLD water, it will take him 6 minutes and 40 seconds, and if he fills it with HOT water, it will take him 8 minutes. If draining the tub takes 13 minutes and 20 seconds, how many minutes will it take to fill up the bath read more ..

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sandwich Feb 10, 2020

2366

HELP ASAP

Jeri finds a pile of money with at least $\$200$. If she puts $\$50$ of the pile in her left pocket, gives away $\frac23$ of the rest of the pile, and then puts the rest in her right pocket, she'll have more money than if she instead gave away $\$200$ of read more ..

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Guest Feb 10, 2020

467

help asapppp

My basketball team plays three games per week. During the first four weeks, we lost all $12$ of our games. During week $5,$ we won two games and lost one game, bringing us to two wins and $13$ losses for the season so far. Each week after that, we won two read more ..

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Guest Feb 10, 2020

-1

2100

+1348

probability

A person with type O blood can donate red blood cells to anybody because type O blood is the universal blood type. About 44% of the US population has type O blood. University High held a blood drive where 50 students donated blood.
Part A: What is the read more ..

geno3141 ●

sandwich Feb 10, 2020

774

+1348

kiwis

Keith buys 3 kiwis and 4 zucchini's for a total of $4.95. A Kiwi costs $0.25 more than a zucchini. What is the cost of 1 kiwi and 1 zucchini?

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sandwich Feb 10, 2020

-1

711

+1348

speed problem

The train traveled at a speed of 90 miles per hour for 3 hours then slowed down to 72 miles per hour for the next 1 1/2 hours. What is the total number of miles the train traveled?

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sandwich Feb 10, 2020

505

help

A committee has five women and four men. (All the committee members are distinguishable.) How many ways can they stand in a row for a photograph, so that at least two of the women are standing next to each other?

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Guest Feb 10, 2020

656

Some help please?

Fran the fly starts at (0,0) and each minute moves one unit right or one unit up. She is trying to get to the point (5,7). However, at (4,3) there is a spider that will eat her if she goes through that point. In how many ways can Fran reach (5,7)? read more ..

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Guest Feb 10, 2020

762

help

The length of a rectangle is 3 more than its width. The perimeter of the rectangle is 58 cm. What are the rectangle’s dimensions?

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Guest Feb 10, 2020

1103

+96

Math

1)

For what values of j does the equation (2x+7)(x-5) = -43 + jx have exactly one real solution? Express your answer as a list of numbers, separated by commas.
read more ..

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daddypig Feb 10, 2020

1061

Radius of a sphere

The volume of a sphere is 523.33 ft cubed. To the nearest foot, what is the radius of the sphere? Use 3.14 for pi.

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Guest Feb 10, 2020

717

+306

Every time John uses a piece of scrap paper, he crumples it up and tries to shoot it inside a recycling bin. If he shoots

Every time John uses a piece of scrap paper, he crumples it up and tries to shoot it inside a recycling bin. If he shoots 5 pieces of paper, at least one of the pieces will make it inside the recycling bin with the probability read more ..

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mathmathj28 Feb 10, 2020

1427

+306

Two different numbers are randomly selected from the set S = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}.

Two different numbers are randomly selected from the set S = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}. The probability that the sum of the two numbers is 12 would be greater if the number n had been removed from the set S before the two numbers are selected. read more ..

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mathmathj28 Feb 10, 2020

-1

696

Help please

Every time I use a piece of scrap paper, I crumple it up and try to shoot it inside the recycling bin across the room. I'm pretty good at it: If I shoot pieces of paper at the recycling bin, at least one of them will make it inside the recycling read more ..

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Guest Feb 10, 2020

Feb 9, 2020

1705

Help, please!

Three circles are drawn, so that each circle is externally tangent to the other two circles. Each circle has a radius of $2.$ A triangle is then constructed, such that each side of the triangle is tangent to two circles, as shown below. Find the perimeter read more ..

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Guest Feb 9, 2020

779

HELP PLS ASAP

1. In triangle XYZ, we have 2. A square is inscribed in a right triangle, as shown below. The side lengths of the triangle are 3, 4, and 5. Find read more ..

geno3141 ●

Guest Feb 9, 2020

1608

+109

What coordinates on the unit circle are associated with the angle measure?

What coordinates on the unit circle are associated with the angle measure?
210°
−7π/4
34π/3

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valval2205 Feb 9, 2020

1925

+109

Value Math Question

Item 5
The terminal ray of ∠A passes through the point (10,−4) .
∠A is drawn in standard position. read more ..

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valval2205 Feb 9, 2020

All Questions ⁺⁰234777 Questions

what is the sum of all integers n that satisfy -3n<7n-20<3n

interest problem

class committee

380 factorial

basketball games

probability

help

rate problem

HELP ASAP

help asapppp

probability

kiwis

speed problem

help

Some help please?

help

Math

Radius of a sphere

Every time John uses a piece of scrap paper, he crumples it up and tries to shoot it inside a recycling bin. If he shoots

Two different numbers are randomly selected from the set S = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}.

Help please

Help, please!

HELP PLS ASAP

What coordinates on the unit circle are associated with the angle measure?

Value Math Question

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