Wednesday

November 26, 2014

November 26, 2014

**Branches of Math**

**Recent Math Questions**

Post a New Question | Current Questions

**math**

what is 4 to the negative 2 times 2 to the 0. my options are 8 16 1/16 -64 I think it is 16.
*Friday, November 14, 2014 at 4:43pm*

**math**

Show how to make one addend the tens number. Problem: 22+49= 71 new problem.
*Friday, November 14, 2014 at 4:36pm*

**math**

sales tax is 8.2 percent find the sales taxes on a purchase of 273.00.
*Friday, November 14, 2014 at 4:05pm*

**math**

square root in the form a aroot b, were a and b are intergers and a and b has the least value root 24.
*Friday, November 14, 2014 at 3:55pm*

**Math**

convert the repeating decimal to a/b where a,b are integers and b #0.
*Friday, November 14, 2014 at 3:52pm*

**math**

how high is a tree that cast a 36ft shadow at the time a 12ft post cast a shadow which is 12 ft. how high is the tree hight
*Friday, November 14, 2014 at 3:50pm*

**Math Help**

The number of bacteria present in a culture is given by the following model B=1000e^0.276t; where t= time in minutes. Find the time required to have 6000 bacteria present. Then, round your answer to the nearest tenth of a minute.
*Friday, November 14, 2014 at 3:47pm*

**MATH **

put in order from largest to smallest 0.54, 0.60686, 0.5065
*Friday, November 14, 2014 at 3:16pm*

**math**

the mass of a grain of sand is 8.7*10^-8 write the nurmeral in secentence in standard form.
*Friday, November 14, 2014 at 3:15pm*

**MATH!!!**

Aparent dies and leaves half of his estate to his four children. THE FIRST ONE GETS 1/2 OF THE ESTte the second gets 1/8 and the thrid one gets 1/4 . how much did the fourth on get?
*Friday, November 14, 2014 at 2:55pm*

**Math**

sin theta = 8/17 and theta is in the second quadrant. Find sin(2theta),cos(2theta),tan(2theta) exactly sin(2theta) cos(2theta) tan(2theta) sin(2theta) would it be 2 x (8/17) cos(2theta) would be 2 x (15/17) tan(2theta) would be 2 x (8/17 divided by 15/17) is this correct? I ...
*Friday, November 14, 2014 at 2:49pm*

**Math **

This one confused me since it revolved around what seemed like dividing trig function by another function Write the following expression in terms of the tangent function 2 / ((cos(r^2 - s^2) / (sin(r^2 - s^2)) = ? I know tan t = sin t / cos t. So would I multiply by the ...
*Friday, November 14, 2014 at 1:37pm*

**Math**

Hi! So I did this world problem and I got the answer "4194 units" (which is right) however, it says to round my answer to the nearest whole unit. How do I do that? Thanks!
*Friday, November 14, 2014 at 1:27pm*

**Math Please Assist**

Solve exactly for x: sin^3 x + sin x cos^2 x = cos x If 0 degrees <= x <= 180 degrees x = ? degrees? Would i factor out sin^3 x from the left side and the right. and try to solve from there?
*Friday, November 14, 2014 at 1:15pm*

**math**

A small rug is 36 inches long. Its width is 2/3 of its length. What is the width of the rug in feet? THANK YOU!
*Friday, November 14, 2014 at 1:14pm*

**math**

x + 5 = 9sin theta, 0 < theta < pi/2 , cos(2theta) in terms of x cos(2 theta)
*Friday, November 14, 2014 at 1:13pm*

**Math **

Find the probability of getting at least one tail when tossing 4 fair coins. Round to three decimal
*Friday, November 14, 2014 at 12:54pm*

**Math **

sin theta = 8/17 and theta is in the second quadrant. Find sin(2theta),cos(2theta),tan(2theta) exactly sin(2theta) cos(2theta) tan(2theta)
*Friday, November 14, 2014 at 12:37pm*

**Math CHECK!**

5 / 1 -sin theta + 5/ 1 - sin theta the correct answer is 25 / cos^2 theta or 10 / cos^2 theta
*Friday, November 14, 2014 at 12:34pm*

**math**

Yin's cellphone plan costs $30 a month. She used 12.5 hours in May. About how many calls did Yin make in May? THANK YOU!
*Friday, November 14, 2014 at 12:14pm*

**math**

TWO PARTS: 1)Derrick's garden is 18 1/2 feet long. He plants bulbs 3/8 of a foot apart. How many bulbs can Derrick plant in one row? 2)Derrick plants three rows of bulbs that cost $0.79 each. How much does he spend on bulbs? Thank You!!
*Friday, November 14, 2014 at 11:54am*

**MATH!!!**

A function machince accepts inputs as ordered pairs. The componeys of the ordered pairs are natural numbers and the first componet is the length of the rectangle and the second componet is the width. the given machince comptes the perimeter ( the distance around the rectangle...
*Friday, November 14, 2014 at 11:38am*

**math**

Josh has been running for 6 min and completes a lap in 7 min. Gabe has been running for 2 min and completes a lap in 9 min. How many more laps must Josh and Gabe complete to have run the same amount of time?
*Friday, November 14, 2014 at 11:01am*

**Math**

Whars 189.80. Times 6.25% less 33 1/3 % Is it 189.80 + 11.86 = 201.66 - 67.22 = $134..44
*Friday, November 14, 2014 at 10:43am*

**Connections academy **

Does anyone go to connections academy that could help me with my math?
*Friday, November 14, 2014 at 10:40am*

**MATH**

A function machine accepts inputs as ordered pairs. the componets of the ordered pairs are natural numbers and the first component is the length of rectangle and the second comonet is the width . the given machince comptes the perimiter . find the out ut for (3,7) (7,3) (5,7) ...
*Friday, November 14, 2014 at 10:09am*

**Math**

Which term best describes the solution of the situation represented by the system of inequalities? (Assume that x >= 0 and y >= 0.) 3x + 4y <= 8 2x + 4y <= 6 Answer choices given are: a. alternate optimal solutions b. one optimal solution c. unbounded d. infeasible...
*Friday, November 14, 2014 at 9:03am*

**math**

a ship covered a distance of 41 km due north and then 23 km due east and again 15 km towards north direction.how far is it from the point where it started?
*Friday, November 14, 2014 at 8:32am*

**math probability**

How many three digits codes (single digits 0-9) are possible part A is codes must exceed value of 400 i think answer is 400 multiply 10 multiply 400 or 400x400x400 as three digits
*Friday, November 14, 2014 at 8:27am*

**Math**

Estimate the answer to the following problem by rounding to the nearest 10: 13 + 46 + 87 = ? A: 130 B: 155 C: 160 D: 150 I personally think its 160, because look; 13 + 46 + 87 = 146. I rounded it, and I think it's 160. Could anybody find out if it's correct or not? ...
*Friday, November 14, 2014 at 8:27am*

**math probability**

In box containing marbles 1-75, how many ways A) first marble are chosen Answer, i think 1/75 Part B) two marbles are chosen i think answer are inconclusive Part C is ball with number 37 is chosen i think answer is 1/74
*Friday, November 14, 2014 at 8:25am*

**math probability**

A box has ten dollars, one is five dollar and four of one dollars. If two bills are chosen at random without replacement, find probability of getting A) amount of valued fifteen dollars B) amount of twelven dollars... is it 4 from 19-15 for A and 7 from 19-12= 7?
*Friday, November 14, 2014 at 8:22am*

**math**

what is decimal
*Friday, November 14, 2014 at 4:57am*

**math**

Dan is making 4 batches of chicken soup. Each batch of soup uses 2/3 cup of rice. How many cups of rice does he need. Is the answer 2 2/3 cups
*Friday, November 14, 2014 at 4:13am*

**math**

Louis earned 256 helping his mother paint a house. He spent 11/16 of it on a computer program how much did louis spend on the program. Is the annswer 176 on program
*Friday, November 14, 2014 at 4:00am*

**math**

express 0.32 as a fraction
*Friday, November 14, 2014 at 1:05am*

**sixth grade math**

360 kilometers is 24 of ___ kilometers.
*Friday, November 14, 2014 at 12:30am*

**sixth grade math**

360 kilometers is of ___ kilometers. I need help with solving this problem.
*Thursday, November 13, 2014 at 11:54pm*

**math**

While adding ten two-digit numbers the digits of one of the numbers were interchanged. As a result the sum of all the ten numbers increased by a value which was four less than that number. Three times the sum of the digits of the original number is ten less than the number. ...
*Thursday, November 13, 2014 at 11:40pm*

**6th grade math**

At a zoo, 3 pandas eat a total of 181 1/2 pounds of bamboo shoots each day. The male panda eats 3 times as much as the baby. The female eats twice as much as the baby. How many pounds of bamboo shoots does the female panda eat? Show work. THANK YOU!
*Thursday, November 13, 2014 at 11:26pm*

**MATH**

Is the sum of two mixed numbers always a mixed numbers? Why or why not?
*Thursday, November 13, 2014 at 11:20pm*

**algebra/math**

Jamal is in charge of 3 lemonade stands at Summer Fun Day. He has 4 pitchers that will hold 9, 5,4 and 2 quarts. The largest pitcher is filled with lemonade, and the others are empty. How can Jamal use the pitchers to be sure he has pitchers with 3 quarts of lemonade in each one?
*Thursday, November 13, 2014 at 11:20pm*

**math**

At a zoo, 3 pandas eat a total of 181 1/2 pounds of bamboo shoots each day. The male panda eats 3 times as much as the baby. The female eats twice as much as the baby. How many pounds of bamboo shoots does the female panda eat? Thank you!
*Thursday, November 13, 2014 at 10:56pm*

**Math, Please Help!**

Find the number of ways to arrange the letters in the following words: A: Ohio B: Alabama C: Illinois D: Mississippi E: Tennessee
*Thursday, November 13, 2014 at 10:53pm*

**Math **

-10-6i / -9+9i
*Thursday, November 13, 2014 at 10:44pm*

**Math**

There are 25 plants in arts garden. There are four times as many tomato plants as bean plants. How many tomato and bean plants are there?
*Thursday, November 13, 2014 at 10:40pm*

**sixth grade math**

Find the percent of each number. 1. 5% of 220 files Answer is 110 2. 360 kilometers is 24% of ___ kilometers. Answer is 864. 3. At a shelter, 15% of the dogs are puppies. There are 60 dogs at the shelter. How many are puppies? Answer is 25 puppies Can someone check my answers...
*Thursday, November 13, 2014 at 10:24pm*

**math**

each square title, to be used to cover a table, has an area of 16in2. how many tiles are required to cover a square table that has the dimensions of 6 by 6 feet?
*Thursday, November 13, 2014 at 9:27pm*

**Math**

Marco bougth 2 botones of juice.Each botarle is 48 ounces . How many 8 ounces glasses of juice ca Marco pour from the two bottles .? A) Draw a strip diagram for the number of ounces of juice in the two bottles. B) write an equation to find the total number of ounces of juice ...
*Thursday, November 13, 2014 at 9:22pm*

**Math please check**

I think I have the right answer, but I am not 100% sure how to do the values at (1,-1) and the one below at (0,-1, 1). Please explain how I need to approach how to do these. Thank You! Calculate the partial derivative @f/@x, @f/@y and @f/@x | (1,-1), and @f/@y | (1,-1) f(x,y...
*Thursday, November 13, 2014 at 8:58pm*

**Math**

Solve h/-5=34
*Thursday, November 13, 2014 at 8:52pm*

**math**

Simplify 8x-4(5x-3)
*Thursday, November 13, 2014 at 8:47pm*

**Math**

What does " mean in math
*Thursday, November 13, 2014 at 8:46pm*

**Math**

A bag contains 6 red balls, 5 green balls and 4 yellow balls. How many balls must you take out to be sure that you have at least 3 balls of each color? I literally have no idea for this question. Should I just put 15(take all of them out to be sure?) or is there some kind on ...
*Thursday, November 13, 2014 at 8:22pm*

**Math**

How to determine your final height
*Thursday, November 13, 2014 at 8:22pm*

**math**

A store was selling grapes for 2 dollars for 3lbs. toby only bought 1lbs. how much money did he pay
*Thursday, November 13, 2014 at 8:13pm*

**Math**

Can anyone show me how to solve this? .1g+3.75m=7.36 and 8.2g+21m=73 Thank you
*Thursday, November 13, 2014 at 8:08pm*

**math**

The degree measure of the four angles of a quadrilateral are w,x,y,and z respectively. If w is the average (arithemetic mean) of x,y,z, then x + y + z = ? Is it 90 degrees?
*Thursday, November 13, 2014 at 7:58pm*

**math**

a,b,c,d, and e are integers; M is their average; and S is their sum. What is the ratio of S to M?
*Thursday, November 13, 2014 at 7:40pm*

**Math**

How would you write the following exponential form to logarithmic form: 4^y= (1/64) My answer is: log4(1/64)=y. Am I corret?
*Thursday, November 13, 2014 at 7:31pm*

**math**

A function machine accepts inputs as ordered pairs. The Components of the order pairs are natural numbers and the first components is the length of the rectangle and the second componet is the width . The given machine computs the perimeter. Find the out put for (1,3) ...
*Thursday, November 13, 2014 at 7:21pm*

**math**

F (X)= X-5
*Thursday, November 13, 2014 at 7:11pm*

**Math help please!!!!!!**

The dashed figure is a dialation of the original figure. Find the scale factor. Classify the dialation as an enlargement or a reduction. (3,8), (8,8) is the measurements of the small triangle with the tip at (8,8) Then the dotted line goes from(2,6) A.2,enlargement B. 1/3,...
*Thursday, November 13, 2014 at 7:07pm*

**math**

Gerard baby brother spends 7/8 of his day sleeping. How many hour does his baby brother sleeep
*Thursday, November 13, 2014 at 6:59pm*

**math**

Brittany is making trays of fudge. Her recipe Calls for 2/3 cup of walnuts for each batch of fudge. How many cups of walnuts does she need to make 27 batches of fudge
*Thursday, November 13, 2014 at 6:54pm*

**Math**

Write an expression for the cost c if a printer charges $2.05 for binding plus 5 cents fee p pages for copies of a community group. C=
*Thursday, November 13, 2014 at 6:52pm*

**Math**

the average employee in the united states works for about 248 days per year and receives abt 13 days of paid vacation. write the number of vacation days as a percent of the total number of days worked. round to the nearest 100th's of a percent.
*Thursday, November 13, 2014 at 6:32pm*

**math**

Monique needs to rent a car while on vacation. The rental company charges $18.95, plus 16 cents for each mile driven. If Monique only has $50 to spend on the car rental, what is the maximum number of miles she can drive?
*Thursday, November 13, 2014 at 6:08pm*

**math**

2 bananas for 25 cent how many dose 6 cost
*Thursday, November 13, 2014 at 5:36pm*

**Math**

Directions:Write the absolute value statement and the negative or positive number for the situation. The problem is in the bottom. 1. You entered an office building on the second floor and took the elevator to the fourteen floor.
*Thursday, November 13, 2014 at 5:34pm*

**Math help please!!!!!!**

The dashed figure is a dialation of the original figure. Find the scale factor. Classify the dialation as an enlargement or a reduction. (3,8), (8,8) is the measurements of the small triangle with the tip at (8,8) Then the dotted line goes from(2,6) A.2,enlargement B. 1/3,...
*Thursday, November 13, 2014 at 5:34pm*

**Math**

16 students do not prefer school uniform. 4 students prefer school uniform. What percent prefer uniforms and what percent do not. What is the relationship between these two percents?
*Thursday, November 13, 2014 at 5:33pm*

**math**

Identify the number that does not belong with the other three: 9/20, 45/100, 45%,8/45. Explain the reason.
*Thursday, November 13, 2014 at 5:29pm*

**Math help please!!!!!!**

The dashed figure is a dialation of the original figure. Find the scale factor. Classify the dialation as an enlargement or a reduction. (3,8), (8,8) is the measurements of the small triangle with the tip at (8,8) Then the dotted line goes from(2,6) A.2,enlargement B. 1/3,...
*Thursday, November 13, 2014 at 5:14pm*

**Math**

How is -8 5/7, -8 3/10, and 6 1/4 written in decimal.
*Thursday, November 13, 2014 at 5:10pm*

**Math**

A recipe for a special sauce calls for 4/5 of a cup of ginger and 1 1/4 cups of pineapple juice. How many cups of ginger would you need if 3 cups of pineapple juice are poured into the mixture? Math PLEASE HELP IT'S URGENT!!!!!
*Thursday, November 13, 2014 at 5:02pm*

**Math help please!!!!!!**

Given a scale factor of 1/2,find the coordinates for the dialation of the triangle with vertices as (0,0),(0,2), and (4,0). A.(0,0),(0,4),(8,0) B.(0,0),(0,1),(2,0) C.(1/2,1/2),(1/2,1),(2,1/2) D.(2,2),(2,4),(8,2) Is the answer B?
*Thursday, November 13, 2014 at 4:58pm*

**Math (PLEASE!)**

Which is a true statement? (Points : 4) A.6.52 < 6.5 B. 2.8 > 3.5 C.11.1 > 10.7 D. 7.75 < 8.45
*Thursday, November 13, 2014 at 4:53pm*

**Math help please!!!!!!**

Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints(-1,2) and (3,-3) A. (2,4) and (6,6) B. (2,4) and (6,6) C. (-2,4)and (6,-6) D. (2,-1) and (-3,3) Is the answer C ? Thank you
*Thursday, November 13, 2014 at 4:41pm*

**Math help please!!!!!!**

Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints(-1,2) and (3,-3) A. (2,4) and (6,6) B. (2,4) and (6,6) C. (-2,4)and (6,-6) D. (2,-1) and (-3,3) Is the answer C ? Thank you
*Thursday, November 13, 2014 at 4:17pm*

**MATH**

Which is an example of the opposite of a sum property? (Points : 4) a –8 + (–13) = –13 + (–8) b 11 + (–14 + 5) = (11 + (–14)) + 5 c 16 + (–16) = 0 d –(22 + 1) = –22 + (–1)
*Thursday, November 13, 2014 at 3:58pm*

**Math**

write three fractions that can be written as percents between 50% and 75%. Justify your solution.
*Thursday, November 13, 2014 at 3:37pm*

**math**

8 Tan^2 theta sin theta + 4 Tan^2 theta = 0
*Thursday, November 13, 2014 at 3:27pm*

**Math 112 Help please**

Students were asked to find three consecutive whole numbers whose sum is 393. John wrote the equation (x - 1) + x + (x + 1) = 3. Kim said that John is incorrect, and that the correct answer should be x + (x +1) + (x + 2) = 393. is this correct
*Thursday, November 13, 2014 at 2:36pm*

**Math (Can someone Help)**

The temperature was 48.2° when Marcy went to bed and 35.7° when she woke in the morning. What was the change in temperature? A: 83.9° B: 82.5° C: 13.5° D: 12.5° < -- ? Carlos bought 3 gallons of ice cream for $9.50. Which proportion can be used to ...
*Thursday, November 13, 2014 at 2:29pm*

**Math *checking answers*?**

The temperature was 48.2° when Marcy went to bed and 35.7° when she woke in the morning. What was the change in temperature? A: 83.9° B: 82.5° C: 13.5° D: 12.5° < -- ? Carlos bought 3 gallons of ice cream for $9.50. Which proportion can be used to ...
*Thursday, November 13, 2014 at 2:19pm*

**Math**

What is the order of the numbers from least to greatest? 2.01, 2.1, 2.001, 2.11, 2.011
*Thursday, November 13, 2014 at 2:07pm*

**MATH HELP PLEASE**

I don't know how to do these 13/4(2x+3/4) It wants me to expand the linear expression and I got 13(8x+3)/16
*Thursday, November 13, 2014 at 1:19pm*

**math algebra**

thanks to reiny and steve, I repeat again that steve answer is incorrect, and I did not type it incorrectly . I mailed the ? as in the book . thanks
*Thursday, November 13, 2014 at 12:56pm*

**Math: Chi Squared**

I typed my observed values into the matrix and went to stats, tests, c:,.. Enter.. But the TI-83 says Error:domain How can I fix this?
*Thursday, November 13, 2014 at 12:47pm*

**economics,life science,math literacy and consumer studies**

what career can i persure with these subjects?
*Thursday, November 13, 2014 at 12:43pm*

**math**

A granola recipe calls for 2 1/3 cups of almonds. A bag of almonds contains 2 cups. To make 2 1/2 batches of granola, Ali buys 5 bags of almonds. How many cups of almonds will he have left over? Thank you!
*Thursday, November 13, 2014 at 12:32pm*

**math/set theory**

120 quilts were entered into a quilt show. (Traditionally, all quilts were hand stitched but now many are stitched on machines. Appliques are additional pieces of cloth that are sewn on top of the quilt.) In this show, 86 were machine stitched. 44 had appliques applied. 24 ...
*Thursday, November 13, 2014 at 11:46am*

**math**

12 4/5 punds of coffee beans he wants t repackage 4/5 bags. how many bags can he make?
*Thursday, November 13, 2014 at 8:12am*

**math**

9 pounds of coffe beans repackeage them into 3/8 pounds bags. how many bags cna he make?
*Thursday, November 13, 2014 at 8:11am*

**Biochem**

Computers English Foreign Languages Health Home Economics Math Music Physical Education Science Social Studies GRADE LEVELS Preschool Kindergarten Elementary School 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th Grade 7th Grade 8th Grade High School 9th Grade 10th ...
*Thursday, November 13, 2014 at 8:07am*

**math**

what is a fraction for 10.188888888888888?
*Thursday, November 13, 2014 at 1:03am*

**math**

A bag has balls of four colours - red,blue,green and pink.Half the total number of balls are pink. One-fourth of the number of green balls equals one-third of the numher of blue balls. The number of pink balls is 4 less than twice the total number of green and blue balls. The ...
*Thursday, November 13, 2014 at 12:35am*

**sixth grade math**

How to express 12/15 as a fraction, percent, and decimal. Someone please show me how to solve.
*Wednesday, November 12, 2014 at 11:37pm*

**math**

We did not find results for: a conical tank with its vertex down is 12 feet high and 12 feet in diameter at the top. water is being pumped in at the rate of 8 feet cubed per minute. find the rate at which the water level is rising when the water is 4 feet deep.
*Wednesday, November 12, 2014 at 11:31pm*

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