04/19/17

Write the complex number z=(-1-√3i)^9 in polar form: z=r(cosθ+isinθ) where r =? and θ=? The angle should satisfy 0≤θ<2π
Write the complex number z=(-1√(3)i)9 in the polar form: z=r(cosθ+isinθ) where r= ? and θ=?   The angle should satisfy 0<θ<2π    
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04/19/17

Why does x0=1 for any x where x≠0?
Why does x0=1 for any x where x≠0?Feel free to use any resources that you have. You may NOT just copy and paste from a website, but you may site a website (and include the link to that site) then... more
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04/19/17

If x = 3 and 3x − y = 9, what ordered pair represents the solution?
I need help with my math, If you could help that would be great. The choices are  A. (0, 3) B. (-3, 0) C. (0, 0) D. (3, 0)
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04/19/17

How to Find the cuberoots of 4√3 + 4i?
The question also stated "Do not evaluate " and leave the answers in cos  and i sin form which confused me.
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04/19/17

How did Russia get control of 20 % of the US uranium (and other REEs) production?
How did they get control of it?
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04/19/17

f(x)= -(x-1)(x-6) Find x-intercepts and maximum height of graph
first find x- intercepts then find the max height 
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04/19/17

Johnny found 12 cards. Each box had 36 football cards,13 Pokemon cards,28 hockey cards, and 9 race car cards. How many more Pokemon cards did Johnny find?
Johnny found 12 boxes of cards. Each box had 36 football cards, 13 Pokemon cards, 28 hockey cards, and 9 race car cards. How many more Pokemon cards did Johnny find?
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04/19/17

Why we need to learn to find the inverse matrix of a matrix?
Why we need to learn to find the inverse matrix of a matrix?
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04/18/17

How do I graph 3x-5y=10? I have homework and forgot how. 😕
I need to have work for the answer, I know I should do this by myself but I forgot! If you can just give me the formulas that'll be great!!
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04/18/17

0.2 is what percent of 1 3/5?
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04/18/17

how much did joe pay for each pound of rice if he bought 14 pounds of rice for 6 dollars
how much did joe pay for each pound of rice if he bought 14 pounds of rice for 6 dollars.  
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04/18/17

During a certain day, a worker did 77 parts. He usually does 55 parts per day. What was the percent by which he increased the usual number of parts?
Well I need this done so plz help
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04/18/17

How many cubes with side lengths of 1/4 inch would be needed to fill the gift box?
A gift box has edges of 4 1/4 inches. 
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04/18/17

where are fakirs most common?
a fakir is a holy man that is conceived to have holy powers and do extraordinary things
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04/18/17

Rewrite the equation of the circle in standard form.
x2 -8x + 16 + y2 +2y +4 =25   i can factor the first part to (x - 4) (x-4) but can't factor the Y part
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04/18/17

Question Help
Terell has a water purifier for backpacking. It will purify 1 liter of water in 1 minute. How long would it take Terell to purify enough water for 4 canteens that each hold 750mL, and two that each... more
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04/18/17

Algebra word problem
Jace and Phillip are playing a game. jace & Phillip each start with 50 points. At end of each turn Jace's points triple. At end of each turn phillip's points increase by 150. At the start of... more
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04/18/17

Regina buys 24 inches of trim for a craft project. What fraction of a yard does Regina buy?
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04/18/17

HELP PLEASE
At the city museum, child admission is $6.50 and adult admission is $9.80. On Saturday, twice as many adult tickets as child tickets were sold, for a total sales of $626.40. How many child tickets... more
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04/18/17

If a bank represents deposits with positive numbers and withdrawals as negative numbers, What could 5*(-20) represent?
If bank represents deposits with positive numbers and withdrawals as negative number, what could 5*(-20) represent?
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04/18/17

word problem help
five friends are having a tennis tournament. Each friend will play the other four friends want five friends are having a tennis tournament. Each friend will play the other for friends once. how... more
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04/18/17

How long will it take steve to word process the paper alone?
Alan can word process a research paper in 6 hours. With Steve's help, the paper can be processed in 4 hours. How long will it take Steve to word process the paper alone?
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04/18/17

Find the score that is 2 and one half standard deviations above the mean
The scores on a test are normally distributed with a mean of 150 and a standard deviation of 20. Find the score that is 2 and one half standard deviations above the mean
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04/18/17

the area of a farmer's plot of land is 1/2 miles squared. if the length of the land is 3/4 miles, how wide is the plot?
 the area of a farmer's plot of land is 1/2 miles squared. if the length of the land is 3/4 miles, how wide is the plot?
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04/18/17

A computer can quickly calculate 42 × 43 × 44 × 45 × 46 × 47 × 48 × 49 × 50 × 51 × 52.
Without multiplying, how many zeros would be at the end of the product?
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