Arthur D.

Factoring Polynomials

01/04/14

Solve x^2+8x+20=0

I need to solve this problem by factoring.

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Answers •2

Area Of A Circle

01/04/14

what is a pi ? how the area of a circle is calculated?

the diameter of a wheel car is 77cm. how many revolutions will it make to cover a distance of 72.6m?

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Math Trigonometry Math Help

01/03/14

Use the half angle formulas to determine.

A. sin22.5 degrees and B. tanpi/12 degrees

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Percentage Money Percent

01/03/14

Calculating percentage and converting? Too long, so I put it in the description :)

Jenna sells Lemonade for $10 per glass. She offers a 20% discount. The price is recalculated then she offers an additional 10% discount. Aidan wants to match her deal by offering a single discount... more

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Word Problem

01/03/14

total of 700 goats and sheep, if he sold 3/4 of goats and 400 sheeps he would have an equal number of goats and sheep left. how many more sheep than goats

A farmer had a total of 700 goats and sheep. If he sold 3/4 of his goats and 400 sheep, he would have an equal number of goats and sheep left. How many more sheep than goats did he have in the... more

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Absolute Value Equation

01/02/14

-3 |x| + 10 = -20

We need to find two answers to the above question. Can only find one answer which is 10 and cannot figure out what the 2nd answer is.

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Word Problem

01/02/14

There are 5 members in a group. 3 members are can be chosen to go on a trip. How many different groups of 3 can there be?

Word problem that has me confused

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Exponets

01/02/14

2 * 8 to the negative 2 power

2 * 8-2

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Alegebra Homework

01/01/14

can you help me with this question?

this is the math question that i was ask to solve but do not understand. you are interesting in purchasing a wide-screen television set at target. on this type of tv the ratio of screen width to... more

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Word Problem

01/01/14

19 children take a minibus to the zoo. The are to sit 2 to3 to a seat. There are 7 seats. How will the children be seated 3 to a seat?

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Math Trigonometry Math Help

12/31/13

Use the sum or difference formulas to determine: A. sin105 degrees B. tan15 degrees

This is for my trig class. Thanks for the help!

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Math Trigonometry Simplify

12/31/13

Rationalize the denominator and simplify: cos^2x / 1 - sinx

This is for my trig class. Thanks for the help!

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Math

12/29/13

evaluate expression

how do I evaluate the expressions, then write the answer in scientific notation? 1. (4.2 x 10^2) (4.2 x 10^5) 2. (2.5 x 10 ^-2)^4 write this number only in scientific... more

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Answers •8

Other

12/27/13

How Do You solve this problem?

McKenna bought a hat that costs $18.25. The sales tax rates is 0.07. What is the total amount that she paid for the hat? Round your answer to the nearest penny.

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Probability & Statistics

12/22/13

The slope and the y-intercept

Find the slope and the y-intercept for the line that passes through (-8,2) (11,4) The slope is= The y-intercept is = d. Find the slope and the y-intercept for the line that passes through... more

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Math Answers

12/20/13

three pairs of numbers for which the least common multiple equals the product f the two numbers

what is the answer of the question i asked

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Word Algebra

12/20/13

word problems and turning them into algebraic equation to slove

The Tile company tiles rectangle areas. Ted lays the center tiles. Mary comes along and borders the area with gray tiles. ( For example, in a 1x3 area, Ted would lay the three center tiles and... more

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Complex Numbers Standard Form Mathematics

12/18/13