All Questions

606

Prism problem

Let PQRSTUVW be a rectangular prism, as shown. The area of face PQRS is 6. The area of face PQUT is 15. The area of face QUVR is 40. Find the volume of the rectangular prism.
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Guest Jan 30, 2020

1933

which of the following is not a possible r-value

which of the following is not a possible r-value
A. 1.6
B. -0.6
C. -0.3 read more ..

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Guest Jan 30, 2020

637

help

The local widget factory is having a blowout widget sale. Everything must go, old and new. The factory has 500 old widgets, and 1500 new widgets in stock. The problem is that 15% of the old widgets are defective, and 5% of the new ones are defective as read more ..

Guest Jan 30, 2020

656

Help with this question

Assume that you remove all of the hearts from a normal deck of cards. Now, with this new hearts-only deck, how many possible five-card hands you draw? (A normal deck is cards that has 52 cards, 4 suits, and numbers 2-10, jack, queen, king, ace.)
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Guest Jan 30, 2020

513

help

Brand X sells 21 oz. Bags of mixed nuts that contain 29% peanuts. To make their product, they combine Brand A mixed but which contain 35% peanuts and Brand B mixed nuts which contain 25% peanuts. How much of each do they need to use?

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Guest Jan 30, 2020

1309

+26404

Question from DragonLord :

Question from DragonLord:
An ellipse has foci at and .
The ellipse intersects the x-axis at the origin, and one other point.
What is the other point of intersection?
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heureka Jan 30, 2020

471

How do i find the measure of angle A?

Help rq

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Guest Jan 30, 2020

631

help

The ‘moving walkway’ is a 300-foot long walkway consisting of a conveyor belt that moves continuously at 3 feet per second. When Bill steps on the walkway, a group of people that are also on the walkway stands 120 feet in front of him. He walks toward the read more ..

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Guest Jan 30, 2020

631

help

Need help with this

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Guest Jan 30, 2020

675

Help with these two math questions.

I have them as images. I hope someone can figure them out.

1.
. read more ..

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Guest Jan 30, 2020

2011

help

Membership to a music club costs $120. members pay $20 per music lesson and nonmembers pay $35 per music lesson. How many music lessons would have to be taken for the cost to be the same for members and nonmembers?

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Guest Jan 30, 2020

654

+16

solve for X SHOW ALL YOUR WORK please help D:

solve for X
SHOW YOUR WORK and explain.

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upperclasspanda Jan 30, 2020

755

+66

HELP! BINOMIAL FACTORING

Completely factor 27x3 - 512y3

AND
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KaylaDoodlez Jan 30, 2020

401

please help

A bouquet of lilies and tulips has 20 flowers. Lilies cost $3 each and tulips cost $2 each. The bouquet costs $48. How many lilies x and tulips y are in the bouquet?

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Guest Jan 30, 2020

838

help

Charlie, an artist, plans to paint and sell some miniature paintings. He just bought some brushes for $44, and paint and canvas for each painting cost $69; he will sell each painting for $71. Once Charlie sells a certain number of his paintings, he will read more ..

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Guest Jan 30, 2020

459

yow

what is b00bi3s x 4

off-topic

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Guest Jan 30, 2020

1741

question about prisms

A cube whose side length is 5 is shown below. Let P be on edge AB such that AP = 2, and let Q be on edge AE such that AQ = 1. The plane passing through points C, P, and Q intersects DH at R. Find the length DR.
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Guest Jan 30, 2020

548

Trigonometry identities

Well here is my steps:

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Guest Jan 30, 2020

722

+193

Algebra

Help with those 2 questions please and also can you show how you got your answer.
<read more ..

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Littlegirlblue Jan 30, 2020

-1

768

+41

Help

Find the number of ways of arranging the numbers 1,2,3...12 in a 3x4 array (with three rows and four columns), so that the sum of the numbers in each column is divisible by 3. Each number must appear exactly once in the array.

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Nightmist Jan 30, 2020

-1

690

+41

Help

The Bad News Bears are playing against the Houston Toros in a baseball tournament. The first team to win three games wins the tournament. The Bears have a probability of 2/3 of winning each game. Find the probability that the Bears win the tournament. read more ..

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Nightmist Jan 30, 2020

-1

657

+41

Help

I have a bag that contains 6 nickels and 5 pennies. I draw coins from the bag at random, without replacement. Find the probability that after drawing 4 coins, I have removed at most 2 pennies from the bag.

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Nightmist Jan 30, 2020

-1

683

+41

Help

We say that a quadrilateral is a bow-tie if two of the sides cross each other. Seven different points are chosen on a circle. We draw all C(7,2) chords that connect two of these points. Four of these 21 chords are selected at random. read more ..

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Nightmist Jan 30, 2020

All Questions ⁺⁰237826 Questions

Prism problem

which of the following is not a possible r-value

help

Help with this question

help

Question from DragonLord :

How do i find the measure of angle A?

help

help

Help with these two math questions.

help

solve for X SHOW ALL YOUR WORK please help D:

HELP! BINOMIAL FACTORING

please help

help

yow

question about prisms

Trigonometry identities

Algebra

Algebra

Help

Help

Help

Help

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