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1275

help pls

Let $z = 2 e^{10 \pi i/21} $ and $w = e^{\pi i/7}$. Then what is \[|(z+w)^6|,\]the magnitude of $(z+w)^6$?

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Guest Jan 11, 2019

613

ln(1/e)

When I evaluate ln(1/e) it comes out as -1, I'm confused how as the steps don't make sense to me. Do you use logb(m/n)=logbM-logbN? I thought ln and e would cancel and you'd be left with -1.

Rom ●●

Guest Jan 11, 2019

1376

help

The energy stored by any pair of positive charges is inversely proportional to the distance between them, and directly proportional to their charges. Three identical point charges start at the vertices of an equilateral triangle, and this configuration read more ..

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Guest Jan 11, 2019

448

MATH HELP

xy+xz/z+y and I need to simplify by canceling common factors

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Guest Jan 11, 2019

Jan 10, 2019

535

+422

Sorry For The Unprofessional Language From My Friend, I Really Do Apoligize

For every $5 I earn from my job, I save $2. For every $4 I save from my job, I am given an additional $1 from my parents to add to my saving. How much must I earn in order to have $40 in savings?

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APatel Jan 10, 2019

515

15!

Need some help with this one: can anybody help solve this problem. Can 15! be written as the sum of at least 3 squares? If so, what are the numbers? Any help or hint would be great. Thank you.

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Guest Jan 10, 2019

1000

+36

Help?

A game of Plinko is played by dropping a ball at the top-middle of a set of pegs. Each time the ball hits a peg, it has a 1/2 probability of deflecting either to the left or to the right. What is the probability that the ball lands in the middle slot as read more ..

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Starz Jan 10, 2019

1824

+1904

Math Homework Help

A room has one door, two windows, and a built-in bookshelf and it needs to be painted. Suppose that one gallon of paint can paint 120 square feet. The length and width of the door is 9ft by 3.5ft. The length and width of the windows are read more ..

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gibsonj338 Jan 10, 2019

722

+422

need help

What is the greatest odd factor of 4^4*5^5*6^6?

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APatel Jan 10, 2019

489

Help!

write an equation of the line that passes through the points (2, -3) and is parallel to the x axis.

ElectricPavlov ●●●

Guest Jan 10, 2019

578

help

The workers in a factory produce widgets and whoosits. For each product, production time is constant and identical for all workers, but not necessarily equal for the two products. In one hour, 100 workers can produce 300 widgets and 200 whoosits. In two read more ..

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Guest Jan 10, 2019

1512

+1993

What is the frequency of the sinusoidal graph?

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jjennylove Jan 10, 2019

1197

Help me

A meteoroid changed velocity from 5.3m/s to 2.8 m/s in 0.3 seconds. What is the acceleration of the meteoroid ?

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Guest Jan 10, 2019

527

help i don't know how to do this.

1.If you can jump 6.12 meters, what is your jump length in feet and in yards?

2.It is 3.21 miles to your grandparents home. If you can walk 4 milesin one hour, how long will it take for you to walk to grandparents home? Express your read more ..

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Guest Jan 10, 2019

454

halp

2mv/Kelvin to 2mv/Celcius

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Guest Jan 10, 2019

571

Intermediate calculation

standard deviation of (1.8167)squared + (0.8167)squared + (3.1167)squared + (-3.2833)squared + (-1.1833)squared + (-1.2833)sqaured, divided by 5, then take the square root. Need intermediate calculation in the calcuator and keep ending up with read more ..

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Guest Jan 10, 2019

872

+234

. Describe the two transformations that occur to the parent function

1. Describe the two transformations that occur to the parent function f(x)=√x when transformed to the function g(x)=2√x+3
2. Then, describe the domain and range of g(x). (You may use Interval Notation or Words)

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skye25 Jan 10, 2019

450

help

If and what is th value of the product

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Guest Jan 10, 2019

893

+31

geometry help

In triangle ABC, AB = 13, AC =14, BC=15. Points D and E are placed on AB and BC, respectively, such that BD=4 and BE=9. Another point F is placed on ACsuch that the area of DEF is 20 square units. What is the area of ADG, expressed as a common fraction? read more ..

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imheretosavetheday Jan 10, 2019

723

+476

Repost

A city clerk conducted a survey of 500 city residents. These residents were chosen at random from the city's register of residents with an address in the city. Residents of all ages were randomly selected. Residents were asked the question, "Should the read more ..

awsometrunt14 Jan 10, 2019

-1

680

+476

Please Help

Box 1 Choices: Box 2 Choices: Box 3 Choices:
P(B|A) read more ..

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awsometrunt14 Jan 10, 2019

324

complex plane help

In the complex plane, the graph of intersects the graph of in exactly one point. Find all possible values of k.

Guest Jan 10, 2019

1342

help

Anna, Bertram, Carli, and David have a competition to see which of them can hold their breath for the longest time period, in minutes. If Bertram, Carli, and David add their times together, the resulting sum is three times the length of time that Anna can read more ..

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Guest Jan 10, 2019

1076

+484

Evaluate and simplify if possible

3(x - 2y) - 4(2x + 3y)
for x = -1 and y = 3

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DarkCalculis Jan 10, 2019

All Questions ⁺⁰230605 Questions

help pls

ln(1/e)

help

MATH HELP

Sorry For The Unprofessional Language From My Friend, I Really Do Apoligize

15!

Help?

Math Homework Help

need help

Help!

help

What is the frequency of the sinusoidal graph?

Help me

help i don't know how to do this.

halp

Intermediate calculation

. Describe the two transformations that occur to the parent function

help

geometry help

Repost

Please Help

complex plane help

help

Evaluate and simplify if possible

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