All Questions

329

Please help

Consider the graph of the equation For each complex number in the following list, 1, 0, 1+i, , 2-i, -1, i.
Figure out whether each one is on the graph.

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Guest Apr 5, 2020

1167

help

Jane has twice as many books as Kate. If Jane gives 14 books to Kate, they will have the same number of books. How many books do they have altogether?

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Guest Apr 5, 2020

564

+448

Creating a quadratic function fitting the criteria

././/././././/./././//.

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bioplant Apr 5, 2020

340

Counting

Help would be appreciated, thanks!

Guest Apr 5, 2020

533

+448

calculus word problem

I need help with this question please:

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bioplant Apr 5, 2020

+15

1241

+773

help:(

Duane rode his bike at 14 miles per hour for 3 hours, then put the bike down and began walking at miles 2 per hour. Elizabeth started jogging at 6 miles per hour along the same path at the same time that Duane started biking. When she reached the bike, read more ..

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whymenotsmart Apr 5, 2020

621

+343

Help!

If and for all in the domain of , what is the value of ?

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nchang Apr 5, 2020

2822

help asap plz

Marvin the fly starts at $(0,0).$ Each step, Marvin moves one unit right or one unit up. He is trying to get to the point $(5,7)$. However, at $(4,3)$ there is a frog that will eat him if he goes through that point. In how many ways can Marvin reach $(5,7)$? read more ..

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Guest Apr 5, 2020

Apr 4, 2020

623

help

A board game uses the deck of 20 cards shown to the right. Two cards are selected at random from this deck. Calculate the probability that the first card selected has a red bird and the second card selected has a lion, both with and without replacement. read more ..

Guest Apr 4, 2020

481

Find all values of such that . If you find more than one value of , then list your values in increasing order, separated by

Find all values of such that . If you find more than one value of , then list your values in increasing order, separated by commas.

off-topic

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Guest Apr 4, 2020

409

please give me a detailed answer asap

Five thousand dollars compounded annually at an x% interest rate takes six years to double. At the same interest rate, how many years will it take 300 to grow to 9600?

off-topic

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Guest Apr 4, 2020

562

+448

Some questions about derivatives

1. In a real-life scenario what would the marginal cost of producing an item represent?
How does this relate to the equation modelling the cost of producing these items?

read more ..

bioplant Apr 4, 2020

813

help!

Kim has exactly enough money to buy 40 oranges at $3x$ cents each. If the price rose to $4x$ cents per orange, how many oranges could she buy?

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Guest Apr 4, 2020

386

help

In 2000, the balance on Martin's credit card increased by 40%. in 2001, the balance increased by 20%. How does the balance at the end of 2001 compare to the balance of 2000

Guest Apr 4, 2020

616

+1072

Help Please!!!

Old MacDonald has 5 chickens, 4 donkeys, and 7 emus. How many ways can he pair up the animals so that every pair consists of animals of different species? (The order of the animals within each pair does not matter, and the order among the pairs does not read more ..

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SpongeBobRules24 Apr 4, 2020

528

probability

If you have a bowl that has 7 green marbles and 5 red marbles and 5 red marbles, found the probability of drawing 3 red marbles in a row if you draw them without replacement?

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Guest Apr 4, 2020

387

Halp

How many terms of the arithmetic sequence 88, 85, 82, . . . appear before the number -17 appears?

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Guest Apr 4, 2020

598

PLEASE HELP

Andrei wants to fill a glass tank with marbles, and then fill the remaining space with water.
W represents the volume of water Andrei uses (in liters) if he uses n marbles.
W = 32 − 0.05n
What is the glass tank's volume(in read more ..

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VincentLin Apr 4, 2020

504

+223

Help Urgent!

The value of y varies inversely as and when x=2,y=4. What is x when y=1?

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CPhilFanboy Apr 4, 2020

821

+223

Help Please!

Sophia has 16 plants and one window. Only five plants can be placed in the window at any given time. If each of the 16 plants spends the same amount of time in the window during an eight-hour period of sunlight, what is the greatest number of minutes in read more ..

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CPhilFanboy Apr 4, 2020

573

inverse proportion problem plz help!

Suppose that $\alpha$ is inversely proportional to $\beta$. If $\alpha = -3$ when $\beta = -6$, find $\alpha$ when $\beta = 8$. Express your answer as a fraction.

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Guest Apr 4, 2020

483

help

Diane, John, and Hans sent a total of 135 text messages during the weekend. John sent 9 more messages than Diane. Hans sent 4 times as many messages as Diane. How many messages did they each send

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Guest Apr 4, 2020

475

help

Suppose that x and y vary inversely and that y = 5 when x = 1. What is y when x = 15?

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Guest Apr 4, 2020

802

geometry problem. help requested :(

Let be an isosceles trapezoid, with bases and A circle is inscribed in the trapezoid, as shown below. (In other words, the circle is tangent to all the sides of the trapezoid.) The length of base is and read more ..

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Guest Apr 4, 2020

995

math

In
18501850,
a person sold a house to a lady for
$2828. read more ..

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Guest Apr 4, 2020

All Questions ⁺⁰234802 Questions

Please help

help

Creating a quadratic function fitting the criteria

Counting

calculus word problem

help:(

Help!

help asap plz

help

Find all values of such that . If you find more than one value of , then list your values in increasing order, separated by

please give me a detailed answer asap

Some questions about derivatives

help!

help

Help Please!!!

probability

Halp

PLEASE HELP

Help Urgent!

Help Please!

inverse proportion problem plz help!

help

help

geometry problem. help requested :(

math

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