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January 30, 2015

January 30, 2015

**Branches of Math**

**Recent Math Questions**

Post a New Question | Current Questions

**Math **

For how many real values of x is sqrt(63- sqrt(x) an integer?
*Friday, December 5, 2014 at 3:56pm*

**Math please check**

I know the answer to the first one is "e" and the answer to the second one is "a "but I have no idea why please explain how to do these two problems. I am very confused with this new method. Thank you! The “Cobb-Douglas” productivity function for ...
*Friday, December 5, 2014 at 3:19pm*

**Math Trig**

Let theta be an angle in quad III such that sec theta = -13/5. Find the exact values of cot theta and sin theta? Thank you!!!
*Friday, December 5, 2014 at 3:11pm*

**math**

A company rents its care for a daily fee, plus an additional charge per miles driven. Trip one is 4 days, 450 miles, and cost $244.50 for the rental. Trip two is 3 days, 200 miles and cost 149.00 for the rental. Find the daily fee, and find the mileage charge. I don't know...
*Friday, December 5, 2014 at 2:57pm*

**math help**

given the function F described by f(x)--x-6. find f(-7)
*Friday, December 5, 2014 at 2:39pm*

**math**

sarah works in the clubhouse golf course. She receives a case containing 125 golf balls. the number of boxes in the case is equal to the number of packs in each box. and the number of packs in each box is equal to the number of golf balls in each pack. how many golf balls are ...
*Friday, December 5, 2014 at 2:38pm*

**math**

what is the money value of 0.098
*Friday, December 5, 2014 at 2:34pm*

**Math Calculous**

Find a possible formula for a polynomial f with the following properties. f has degree less-than-or-equal-to 2, f(0) = f(3) = 0 and f(5) = 30 f(x) = ? k(x+0)(x+0)(x-3) I know the zeroes for 3 of them are 0, 0, 3, how would i find out the rest?
*Friday, December 5, 2014 at 2:22pm*

**Math**

When fully simplified, ignoring non-permissible values, 12x^12/4x^3 divided by x^8/24x^6? a)72x^3 b)1/72x^7 c)1/72x^3 d)72x^7
*Friday, December 5, 2014 at 1:25pm*

**Math**

When fully simplified, ignoring non-permissible values,24x^18/6x^3 x x^8/30x^6? a)15/2x^8 b)2/15x^8 c)15/2x^17 d)2/15x^17
*Friday, December 5, 2014 at 1:18pm*

**math **

3x=15
*Friday, December 5, 2014 at 11:42am*

**Business Math**

Frank's base pay rate is $15.50 per hour, with overtime pay of time-and-a-half, and double-time for holidays. Calculate her gross pay if she worked 6.5 holiday hours in addition to 38.5 hours Monday through Saturday. (Round your answer to the nearest cent.)
*Friday, December 5, 2014 at 11:33am*

**math**

what is a reflection
*Friday, December 5, 2014 at 11:06am*

**math**

what is 1 7/9-4/9 express the answer in simplest form
*Friday, December 5, 2014 at 10:12am*

**Math**

An n-sided polygon has interior angles of which 4 of them are of sizes 125,220,40 and 295 degrees . The remaining interior angles are of sizes 20 degrees each. Find the value of n, My working: let the number of sides for the polygon be n and the remaining number of sides be x...
*Friday, December 5, 2014 at 9:51am*

**Math**

Suppose their are 2 pieces of cake left over but you dont know how many pieces were in the whole cake
*Friday, December 5, 2014 at 7:59am*

**math**

what Is the ratio of 36cm to 9dm?
*Friday, December 5, 2014 at 7:43am*

**math**

3 cups a sugar makes 36 cookies how many cookies would 2/3 cup sugar make?
*Friday, December 5, 2014 at 5:58am*

**Math**

John runs a florist shop in a small arkansas town and had to borrow $170,000 to start up the shop. He was able to borrow some from the state business development office at 4% but the rest he had to borrow from a friend who charged him 8%. The first year John paid $9800 in ...
*Friday, December 5, 2014 at 3:00am*

**Math**

Please help me the way through this sum Integrate Cos squared(3x) btwn x=pie/2 andx=0
*Friday, December 5, 2014 at 1:31am*

**math**

Barry's deck of cards contains 40 blue cards and 70 red cards. Max's deck of cards contains the same number of blue cards, but the ratio of blue cards to red cards is 8:9. How many total cards does Max's deck of cards contain? THANK YOU!
*Friday, December 5, 2014 at 12:51am*

**math**

The ratio of white marbles to blue marbles in Connie's bag of marbles is equal to 2:3. There are more than 20 marbles in the bag. What is a possible number of white marbles and blue marbles in the bag? THANK YOU!
*Friday, December 5, 2014 at 12:14am*

**Math**

So I don't know how to do the work for the worksheet why didn't the circus manager want their human cannon ball to quit? I know the answer but I don't know how to get it.
*Thursday, December 4, 2014 at 11:13pm*

**Math **

If i have 10 apples. Six of them are green what fraction of the apples are green
*Thursday, December 4, 2014 at 10:21pm*

**Math**

A bowl contains 100 green and red m&ms. For every 3 green you have 7 red pieces of candy. How many green m&ms are in the bowl?
*Thursday, December 4, 2014 at 10:03pm*

**math**

A serce of chicken noodle soup is 120ml. How many liters of soup will the cafertia need to serve to the 350 students.
*Thursday, December 4, 2014 at 9:40pm*

**math Subtraction equation**

Please help me understanding this Aparasailer is attached by cable to a boat, she wear catches air and raises her into the air when the boat slows down to turn back towards the beach the parasailer chute catches less air and dip 25 meters. She must decent another 45 meters to ...
*Thursday, December 4, 2014 at 9:23pm*

**Math**

Nell made a pizza. she cut the pizza into fourths. then she cut each fourth. nell and her friens ate 6 of the smaller pieces of the pizza. What fraction of the pizza did Nell and her friends eat? What fraction of the pizza did Nell and friends Not eat?
*Thursday, December 4, 2014 at 9:07pm*

**Help math**

a ribbon measuring (v+4) feet in length was cut into two pieces in the ratio 3:7. What was the length of the longer piece? answer
*Thursday, December 4, 2014 at 8:58pm*

**Math **

Let x,y, and z be nonzero real numbers. Find all possible values of x/|x|+y/|y|+z/|z|+xyz/|xyx|.
*Thursday, December 4, 2014 at 8:45pm*

**Math **

Challenge 7: What values of x satisfy |x-4|+|x+4|<= 10. Please give your response in intveral notation.
*Thursday, December 4, 2014 at 8:42pm*

**Math **

Find the positive difference between two solutions to the equation ∛(4-(x^2/3)) = -2
*Thursday, December 4, 2014 at 8:40pm*

**math**

How do you solve/simplify 32x^3y^4. 3X Over. Times 24x^3y^2. 9Y
*Thursday, December 4, 2014 at 8:28pm*

**Math**

What's that line over a repeating decimal called? (Ex- 3.33 The line would go on top of the second 3) And also, what's the difference between that line going on top of the second number and it going on top of both numbers? (Ex 1- 3.33 The line would go on top of the ...
*Thursday, December 4, 2014 at 8:28pm*

**Math Help!**

1. Find the sale price. Round the nearest cent. Regular price:$57.63 Percent of discount:10% A. $63.39 B. $5.76 C. $51.87 D. $57.53*** 2. Find the sale price. Round to the nearest cent. Regular Price: $56.00 Percent discount: 40% A. $50.00*** B. $22.40 C. $40.00 D. $33.60 Is ...
*Thursday, December 4, 2014 at 8:25pm*

**Math**

Chapter 27, lesson 5 problem solving: use formulas
*Thursday, December 4, 2014 at 8:12pm*

**NEED Math HELP please!!!**

Can you help me solve for y? 8x-4xy=3 -2x-5y=10
*Thursday, December 4, 2014 at 8:10pm*

**Math**

A taxi charges $1.00 for the first mile and $.20 for an additional 1/6 of a mile. How far can you travel for $5.00.
*Thursday, December 4, 2014 at 8:07pm*

**math**

The Fan cost Index(Fci)represents the cost of four average-price tickets, refreshments, and souvenirs to a sporting event. The FCIs for an Independent tennis league and an Independent basketball league totaled $123.62. The basketball FCI was $$6.98 more than that of tennis. ...
*Thursday, December 4, 2014 at 7:51pm*

**Math Help!**

1.Find the percent of decrease. Round your answer to the nearest tenth of a percent where necessary. 75 to 60 A. 20% B. 30%*** C. 40% D. 50% 2. Find the percent markup. Round to the nearest whole percent. Store's cost: $100.00 Selling Price: $160.00 A. 50% B. 60%*** C. 70...
*Thursday, December 4, 2014 at 7:47pm*

**Math**

Convert 110=30(3)+20 into Standard Form equation way
*Thursday, December 4, 2014 at 7:47pm*

**math**

290 divided by 50, A. Is it 5 remainder 8?
*Thursday, December 4, 2014 at 7:37pm*

**Math **

What is the sum of all values of x which |x-3|+|3-x|-1=?
*Thursday, December 4, 2014 at 7:34pm*

**Math **

Find all solutions to the equation 3sqrt(3-x)=-3/2. The 3 is the small number outside of the sqrt.
*Thursday, December 4, 2014 at 7:32pm*

**Math**

Find the shortcut. Solve these problems. Then find and explain a shortcut method for finding the answer. 52(Squared) - 42 (squared) = 82 (Squared) - 72 (Squared) = 122 (Squared) - 112 (Squared) = 312 (Squared) - 302 (Squared) = 892 (Squared) - 882 )(Squared =
*Thursday, December 4, 2014 at 7:25pm*

**Math Help!**

1.Find the interenst earned in an acount with $600.00 invested at 4.5% annual simple interest for 2 years. A. $540.00 B. $5,400.00 C. $54.00*** D. $13.50 2. Find the interest by an accound with $1,200 of simple interest of 4% for 3 years. A. $144.00 B. $244.00 C. $44.00 D. $88...
*Thursday, December 4, 2014 at 7:24pm*

**math**

The Fan cost Index(Fci)represents the cost of four average-price tickets, refreshments, and souvenirs to a sporting event. The FCIs for an Independent tennis league and an Independent basketball league totaled $123.62. The basketball FCI was $$6.98 more than that of tennis. ...
*Thursday, December 4, 2014 at 7:24pm*

**math**

How do you solve for y? 8x-4xy=3 And -2x-5y=10
*Thursday, December 4, 2014 at 7:23pm*

**Math**

What is Standard Form in math
*Thursday, December 4, 2014 at 7:20pm*

**Math**

How to find slope
*Thursday, December 4, 2014 at 7:20pm*

**Math Help!**

1.Find the percent of decrease. Round your answer to the nearest tenth of a percent where necessary. 75 to 60 A. 20% B. 30%*** C. 40% D. 50% 2. Find the percent markup. Round to the nearest whole percent. Store's cost: $100.00 Selling Price: $160.00 A. 50% B. 60%*** C. 70...
*Thursday, December 4, 2014 at 7:18pm*

**math**

a floor plan has been prepared for a new building, drawn to a scale of 1/2 inch = 1 foot. A certain area is drawn to a scale of 1 foot long and 7 1/2 wide on the floor plan. the actual dimensions of theis areas in the building are?
*Thursday, December 4, 2014 at 7:17pm*

**math**

Q. 460 divided by 30 A. I don't really get division,so I need help please.
*Thursday, December 4, 2014 at 7:13pm*

**5th grade math**

Q. John Brown elementary school Art Club was recycling paper towel tubes for their holiday crafts project. The school enrollment was 629 students. If the art club asked every student to bring 6 empty paper towel tubes to make the project. How many paper tubes will they need? A...
*Thursday, December 4, 2014 at 7:10pm*

**Math Help!**

Find the percent of increase 50 to 70 A. 20% B. 30% C. 40% D. 50% Is the answer C?
*Thursday, December 4, 2014 at 7:05pm*

**math**

If a building contractor hires 5 day laborers and 2 concrete finishers, his payroll for the day is $1200. If he hire 1 day laborer and 4 concrete finishers, his daily cost is $924. Find the daily wage for each type of worker.
*Thursday, December 4, 2014 at 7:04pm*

**Math**

Q.Bettler Elementary School was recycling thier copier paper after the students had completed worksheets. they found that when they filled the barrel with paper it weighed an avearge of 463 pounds. if they collected 16 barrels of paper during the year. what was the approximate...
*Thursday, December 4, 2014 at 6:58pm*

**MATH**

5^6 * 5^3
*Thursday, December 4, 2014 at 6:52pm*

**Math**

) A car dealership advertises a 15% discount on all its new cars. In addition, the manufacturer offers a $1000 rebate on the purchase of a new car. Let x represent the sticker price of the car. a. Suppose only the 15% discount applies. Find a function f that models the ...
*Thursday, December 4, 2014 at 6:36pm*

**Math**

) If you are standing near the edge of the top of a 200 ft. building and throw a ball vertically upward it will be modeled by the function 𝑠(𝑡) = −16𝑡2 + 64𝑡 + 200 where s(t) is the balls height above ground in feet and t is seconds after ...
*Thursday, December 4, 2014 at 6:36pm*

**Math**

A man is running around a circular track that is 200m in circumference. An observer uses a stopwatch to record the runner’s time at the end of each lap, obtaining the data in the tale below. a. What was the man’s average speed (rate) between 68 s and 152 s? b. What ...
*Thursday, December 4, 2014 at 6:35pm*

**Math calculous**

x 1 2 3 4 h(x) 7 20 43 76 x = 1 h(x) = 7 x = 2 h(x) = 20 x = 3 h(x) = 43 x = 4 h(x) = 76 Using the table or in this case information for the polynomial function of the degree 2 Find the formula for h(x) h(x) = ?
*Thursday, December 4, 2014 at 6:09pm*

**math**

f(x)=x^6-2x^4-81x^2+162;-3
*Thursday, December 4, 2014 at 6:09pm*

**Math**

How to find x intercept and y intercept
*Thursday, December 4, 2014 at 6:09pm*

**Math ( Percents as Ratios)**

Sue receives a test score of 75% on a test with 20 questions. How many did she get correct? 👉 I need help making these kinds of questions into proportions because I have a Benchmark Test (like a mid year test) coming up & I need to be able to set up these kind of ...
*Thursday, December 4, 2014 at 6:07pm*

**Math**

Lisa sells cookies and gets a business where she pays $100 a month. If each cookie is $2 and there are 30 people in the store each week, how much money does she make in a month? What's the y intercept
*Thursday, December 4, 2014 at 6:02pm*

**Math**

The ratio of corresponding sides of two similar triangles is 2:7. The sides of the smaller triangle are 16 centimeters, 22 centimeters and 28 centimeters long. What is the perimeter of the larger triangle?
*Thursday, December 4, 2014 at 5:58pm*

**Math**

How do you know if a word problem is Direct Variation or not
*Thursday, December 4, 2014 at 5:57pm*

**Math**

It cost 4$ to enter the fair.Each ride cost $2.50.You have $21.50.How many rides can you go on?
*Thursday, December 4, 2014 at 5:47pm*

**Math**

Write a linear equation that is not a direct variation in word problem form. I need help how to make one
*Thursday, December 4, 2014 at 5:46pm*

**Math**

1. Determine which ratio forms a proportion with 9/5 by finding a common multiplier. a. 54/30 b. 45/50 c. 45/40 d. 90/20 2. Determine which ratio forms a proportion with 15/8 by using cross products. a. 25/16 b. 30/12 c. 60/32 d. 75/32 3. Solve 3/27 = w/54 a. 2 b. 6 c. 9 d. 18...
*Thursday, December 4, 2014 at 5:27pm*

**Math**

Direction:Write each power as a product of the same factor. Ten find the value. 1. 3^5
*Thursday, December 4, 2014 at 5:21pm*

**Math**

θ equals the angle in Quadrant II so that cot θ= -3. Find the values for sin θ, cos θ, and tan θ.
*Thursday, December 4, 2014 at 5:20pm*

**Math Question**

Find the values of the six trigonometric functions of an angle in standard position where the terminal side is going through the point (-1, 1). Sinθ = Cosθ= Tanθ= Cscθ= Secθ= Cotθ=
*Thursday, December 4, 2014 at 5:19pm*

**Math**

A container holds 5 quarts when filled now it contains 3 3/4 quarts of water. How much more water must be added to fill the container
*Thursday, December 4, 2014 at 5:18pm*

**Simple math**

If Kristin buys gas at $2.69 per gallon, which includes all taxes, what percentage of the price is the state tax? What percentage is the federal tax The state tax is .8 and federal tax is .18. So would I multiply each by the total amount the gas cost?
*Thursday, December 4, 2014 at 4:52pm*

**Math **

Given that x<5, rewrite 5x- (x-5) without using the absolute value signs. The () are absolute value signs.
*Thursday, December 4, 2014 at 3:11pm*

**Math **

Solve for the positive value of x such that 3sqrt(x^2-4x+4)=16. The 3 is the small number next to the sqrt sign.
*Thursday, December 4, 2014 at 3:09pm*

**Math**

Express the product x^2+4x/2x^2+13x+15 x x+5/x^2-16 in simplest form. a)- 1/2x+3 b)x/(2x-16)(x+4) c)(x^2+4x)(x+5)/(2x^2+13x+15)(x^2-16) d)x/(2x-3)(x-4)
*Thursday, December 4, 2014 at 2:03pm*

**6th grade math**

the sum of twelve divided by twice a number
*Thursday, December 4, 2014 at 1:58pm*

**Math**

I have got help from Damon on this question but all I need is help on integrating the answer he gave me into my original equation: y=-15/20.25(x+1.5)^2+0 Here's Damon's help: (x+1.5)(x+1.5) = x^2 + 1.5 x + 1.5 x + (1.5*1.5) = x^2 + 3 x + 2.25 So how would I put this ...
*Thursday, December 4, 2014 at 1:51pm*

**Math**

have got help from Damon on this question but all I need is help on integrating the answer he gave me into my original equation: y=-15/20.25(x+1.5)^2+0 Here's Damon's help: (x+1.5)(x+1.5) = x^2 + 1.5 x + 1.5 x + (1.5*1.5) = x^2 + 3 x + 2.25 So would I put this into my ...
*Thursday, December 4, 2014 at 1:35pm*

**Math**

A savings account with a current balance of $5,000 earns 2.75% annual interest, compounded continuously. To the nearest dollar, what will be the account balance in 10 years?
*Thursday, December 4, 2014 at 1:31pm*

**Math**

I have got help from Damon on this question but all I need is help on integrating the answer he gave me into my original equation: y=-15/20.25(x+1.5)^2+0 Here's Damon's help: (x+1.5)(x+1.5) = x^2 + 1.5 x + 1.5 x + (1.5*1.5) = x^2 + 3 x + 2.25 So would I put this into ...
*Thursday, December 4, 2014 at 1:28pm*

**math **

write the following square root in form a root b where a and b are intergers and b has the least value possible . root 45=
*Thursday, December 4, 2014 at 1:10pm*

**Math**

My math teacher said to use the FOIL (First Outer Inner Last) property to simplify these quadratic equations I have made from looking at two parabolas. Here are my equations & how would you use the FOIL property on each of the equations and also can someone help me with ...
*Thursday, December 4, 2014 at 1:06pm*

**Math**

How would I simplify these two equations I have made up from looking at parabolas: y=-15/20.25(x+1.5)^2+0 y=a(x+2)^2+1.5
*Thursday, December 4, 2014 at 12:57pm*

**Math**

The area of a rectangular field is 96m2. The length of one side is12m. The farmer needs to know its perimeter to work out how much fencing will be needed.
*Thursday, December 4, 2014 at 12:36pm*

**Math**

A length of rope is stretched between the top edge of a building and a stake in the ground. The head of the stake is at ground level. The rope also touches a tree that is growing halfway between the stake and the building. If the tree is 38 feet tall, how tall is the building...
*Thursday, December 4, 2014 at 12:35pm*

**Math**

A golf ball is hit off the top of a cliff that is 75 feet tall at an angle of 45° to the horizontal with an initial velocity of 80 feet per second. The quadratic equation shown below models the height, h(x), of the ball when it is x feet from the cliff’s edge. How far...
*Thursday, December 4, 2014 at 12:22pm*

**math**

Allie noticed that to get her test grade, she could take Valerie's grade, multiply it by 2 and subtract 15. If Valerie's test grade was x, how would you write Allie's test grade?
*Thursday, December 4, 2014 at 12:14pm*

**5th grade math **

how do i round and divide whith decimals?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
*Thursday, December 4, 2014 at 10:03am*

**5th grade math **

how do i simplify
*Thursday, December 4, 2014 at 10:02am*

**5th grade math**

there is a gameboard and the arrow has landed on seven.what is the probability of spinning a number larger than 6 on the spinner?
*Thursday, December 4, 2014 at 10:00am*

**math 3**

The following data represent the asking price of a simple random sample of homes for sale. Construct a 99% confidence interval with and without the outlier included. Comment on the effect the outlier has on the confidence interval. Here is the information: $231,500 $279,900 $...
*Thursday, December 4, 2014 at 8:00am*

**math**

Determine all numbers in between 10 and 200 where 'n' is a prime and (n-1) is a perfect square.
*Thursday, December 4, 2014 at 7:56am*

**math **

which equation is the equation of a line that passes through (-10,3) and is perpendicular to y=5x-7?
*Thursday, December 4, 2014 at 2:18am*

**math **

Describe a situation in which it is better to round a mixed number up to the next whole number even if the fraction in the mixed number is closer to 1/2 than 1?
*Thursday, December 4, 2014 at 12:04am*

**math**

325 x .0145 =
*Wednesday, December 3, 2014 at 11:39pm*

**math**

(1.45) 325 x .0145 =
*Wednesday, December 3, 2014 at 11:37pm*

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