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October 20, 2014

October 20, 2014

**Branches of Math**

**Recent Math Questions**

Post a New Question | Current Questions

**math**

a segment of late 94 cm has been rotated d degrees around a center zero what is the length of the rotated segment
*Saturday, August 30, 2014 at 1:45pm*

**Math**

A sum of Rs. 1360 has been divided among Atif, Babar and Aqeel such that Atif gets 2/3 of what Babar gets and Babar gets 1/4 of what Aqeel gets. Babar' s share is:
*Saturday, August 30, 2014 at 11:26am*

**Math**

Last week at a festival, a man sold 5 times as many tie-dyed T-shirts as silk-screened shirts. He sold 210 shirts altogether. How many tie-dyed shirts did he sell?
*Saturday, August 30, 2014 at 10:22am*

**Math**

In a bathroom, 5cm of rain falls from a shower. The volume of water that falls on 1.5 hectares of floor of bathroom t
*Saturday, August 30, 2014 at 9:43am*

**Math**

A classroom in a college is 15m long and 12m broad. If the sum of the areas of its floor and the ceiling is equal to the sum of the areas of 4 walls of classroom , the volume of the classroom is.
*Saturday, August 30, 2014 at 9:39am*

**math**

Jenny wanted to solve the quadratic equation x2 - 11x +18 = 0 by factoring. Which of the following equations would lead her to solve the given equation?
*Saturday, August 30, 2014 at 7:35am*

**math**

If 3 tan theta = 4, then evaluate : 3sintheta + 2costheta / 3sintheta – 2costheta
*Saturday, August 30, 2014 at 6:50am*

**math**

Show that (-2;-6) (2;-4) and (4;-3) are collinear
*Saturday, August 30, 2014 at 4:29am*

**math**

Ken is adding a ribbon border to the edge of his kite. Two sides of the kite measure 9cm, while the other two sides measure 17cm inches. How much ribbon does Ken need ?
*Saturday, August 30, 2014 at 12:55am*

**math**

flossie has $62.05. In quarters, she has 3 more than twice the number of half dollars, and 10 more dimes than quarters. how many of each coin does she have
*Saturday, August 30, 2014 at 12:54am*

**Math**

A student goes through seven class periods in school. Each period lasts 55 minutes. How many hours does he spend in class per week?
*Friday, August 29, 2014 at 11:55pm*

**Math**

Find and express the results in polar form for the following: z = 2(e^(-jω) - e^(j7ω)), where ω = omega j is the math equivalent of i = sqrt(-1)
*Friday, August 29, 2014 at 10:23pm*

**Math**

640 acre is how big?
*Friday, August 29, 2014 at 10:04pm*

**math**

If joe stands. 25ft away from a 40ft buliding how long would a ladder have to be to reach from the ground where joe is standing to the top of the building
*Friday, August 29, 2014 at 9:39pm*

**Math**

A fast growing mushroom doubled in size every day. After 30 days, it measured 6 inches tall. On which day did it measure 1 1/2 inches tall?
*Friday, August 29, 2014 at 9:10pm*

**math word problem **

How many millimeters is the ribbon if she cut 20cm and wrap around a gift
*Friday, August 29, 2014 at 8:47pm*

**math**

i marked a state test and someone changed the score how did they do that
*Friday, August 29, 2014 at 8:26pm*

**math**

If suzie is standing 50ft away from a bulilding and there is a 100ft latter going from sizie to the top of the buliding. How tall is the building
*Friday, August 29, 2014 at 8:26pm*

**math**

Suppose that an insurance agent offers you a policy that will provide you with a yearly income of $80,000 in 30 years. What is the comparable salary today, assuming an inflation rate of 4% compounded annually? (Round your answer to the nearest cent.)
*Friday, August 29, 2014 at 6:11pm*

**Math**

If a pitcher throws a ball to homeplate at a speed of 57 miles per hour for the distance of 47 feet how long does it take to cross homeplate? I multiplied distance x speed and got 2679 but not sure what that means???
*Friday, August 29, 2014 at 5:28pm*

**math**

Hi I need help with 5 questions..some of it is confusing to me. I just want to make sure my answers are right. 1.6^-7 x 6^4 6^-3 ; 6^-11 ; 6^-28 ; 6^11 - my answer is 6^-3 2. 7/ 7^5 = 7^-2 (supposed to find the missing value which is the other exponent on top of the 7 that'...
*Friday, August 29, 2014 at 4:53pm*

**math **

one canned juice drink is 25% orange juice; another is 5% orange juice. ow many liters of each should be mixed together in order to get 20L that is 14% orange juice?
*Friday, August 29, 2014 at 2:07pm*

**math**

12. What is the distance between P(–4, 3) and Q(6, 1)? Round to the nearest tenth. can someone please explain how to do this problem please
*Friday, August 29, 2014 at 1:43pm*

**Math**

Identify each data source as primary or secondary. State one advantage or each source of data. a) A researcher interviewed 10 students about their study habits - primary b) A sporting goods company searched on the internet for data on how Canadians spend their leisure time - ...
*Friday, August 29, 2014 at 1:29pm*

**math**

if 0<A<90 and Sin A+ cos A+ tan A+cot A+sec A+cosec A =7 then prove that sin 2A is a root of (x)^2 -44x-36=0
*Friday, August 29, 2014 at 1:18pm*

**math**

8. When constructing a perpendicular bisector, why must the compass opening be greater 1/2 than the length of the segment?
*Friday, August 29, 2014 at 1:01pm*

**math**

12. What is the distance between P(–4, 3) and Q(6, 1)? Round to the nearest tenth. can someone please explain how to do this problem please
*Friday, August 29, 2014 at 12:04pm*

**Math**

Pls ans fast
*Friday, August 29, 2014 at 11:46am*

**Math**

There are 36 students in a student council in a school and the ratio of the number of boys to girls is 3:1 . How many more girls should be added to the council so that the ratio of boys to the number of girls may be 9:5
*Friday, August 29, 2014 at 11:32am*

**math**

11. The midpoint of is E(–1, 0). One endpoint is C(5, 2). What are the coordinates of the other endpoint? can someone please explain how to do this problem
*Friday, August 29, 2014 at 11:07am*

**math**

one canned juice drink is 30% orange juice; another is 10% orange juice. How many liters of each should be mixed together in order to get 20L that is 15% orange juice?
*Friday, August 29, 2014 at 10:58am*

**math**

(what is the meaning of this question) If the root of the equation x²-8x+m=0 exceeds the other by 4 then the value of m is
*Friday, August 29, 2014 at 10:05am*

**math**

At a local Mcdonald’s managers will return a shipment of hamburger buns if more than 10% of the buns are crushed. A random sample of 81 buns 13 buns crashed. A 5% significance level test is conducted to determine if the shipment should be accepted. The test statistic ...
*Friday, August 29, 2014 at 8:42am*

**math**

the number of block has 9 in the ones place. the number in the hundreds place is one more than the number in the tens place, those two numbers equal 11. how many blocks are there,
*Friday, August 29, 2014 at 8:06am*

**math**

a man climbing a ladder which is inclined to the wall at an angle of 30 degree. if he ascend at the rate of 2m/s then he approach the wall at the rate of
*Friday, August 29, 2014 at 3:19am*

**math**

There were 654 tickets sold for a basketball game. The activity cardholders' tickets cost 1.5 and the non-cardholders' tickets cost 2.00. the total amount of money collected was 1171.50. how many of each kind of tickets were sold.
*Friday, August 29, 2014 at 12:18am*

**Math **

write an algebraic expression for 43 more than t 43 + t
*Thursday, August 28, 2014 at 10:21pm*

**Math**

The first digit of two different numbers is in the hundreds millions place. Both numbers contain the same digits. Can you determine the greater of the two numbers and Explain.
*Thursday, August 28, 2014 at 8:53pm*

**math **

you download 12 new songs to your mp3 player. then you delete 5 old songs.. write each amount as an integer?
*Thursday, August 28, 2014 at 8:35pm*

**math**

each square on olivia's chessboard is 11 square centimeters. a chessboard has 8 squares on each side. what is the width of olivia's chessboard?
*Thursday, August 28, 2014 at 7:45pm*

**Advanced Math**

1.Tasha believes that she can rewrite the difference 120-36 as a product of the GCF of the two numbers and another difference.Is she correct?Explain your answer. 2.Explain how to find the GCF of three numbers 3.Xiao's teacher asked him to rewrite the sum 60+90 as the ...
*Thursday, August 28, 2014 at 7:43pm*

**math**

You have a large container of olive oil. You have used 25 quarts of oil. Twenty - five percent of the olive oil remains. How many quarts of olive oil remain?
*Thursday, August 28, 2014 at 6:15pm*

**math**

A runners time in the 100-dash is 32 seconds when rounded to the nearest whole number. Name the fastest and slowest times possible in decimals to hundredth
*Thursday, August 28, 2014 at 5:53pm*

**Math Problem (please help)**

A small fast-food restaurant invests $4,000 to produce a new food item that will sell for $4.59. Each item can be produced for $2.19. (a) How many items must be sold to break even? (Round your answer to the nearest whole number.) items (b) How many items must be sold to make a...
*Thursday, August 28, 2014 at 5:28pm*

**Math Problem (please help)**

A small software company invests $30,000 to produce a software package that will sell for $64.95. Each unit can be produced for $42.25. How many units must be sold to break even? How many units must be sold to make a profit of $100,000?
*Thursday, August 28, 2014 at 5:04pm*

**math**

If a person walks 21 feet in 7 seconds how long does it take to walk 180 feet
*Thursday, August 28, 2014 at 4:39pm*

**MATH**

What is my number if the hundreds digit is less than the tens digit and less than the ones digit and the hundreds digit is even and the tends digit divided by the hundreds digit is 5 and the product of two of the digits is 6 and it has two odd digits and one if the digits is ...
*Thursday, August 28, 2014 at 4:10pm*

**math problem solving**

the digit 5 occurs two times in the population of fairbanks. what is the value of each 5? explain your answer fairbanks- 35,252
*Thursday, August 28, 2014 at 3:58pm*

**Math**

Please check my answers With two parallel lines cut by a transversal, the number of pairs of alternate interior angles is equal to the number of pairs of corresponding angles. (1 point) Always Sometimes Never *I think the answer is sometimes Opposite angles in a quadrilateral ...
*Thursday, August 28, 2014 at 3:31pm*

**math**

4 notebooks for $7.00 how much for 5 notebooks
*Thursday, August 28, 2014 at 3:30pm*

**Math**

On average, a shooter can hit his target one time in four. If he fires 4 shots in a row, what is the probability that he will hit his target?
*Thursday, August 28, 2014 at 3:16pm*

**Math **

•The x-intercepts of the graph of y=f(x) •The real zeros of the function f •The real solutions to the equation f(x)=0 Use the equation f(x)=4x−28 to verify that all three do produce answers that are numerically the same.
*Thursday, August 28, 2014 at 2:55pm*

**Math**

Suppose that y varies inversely as t he cube of x. If y is 1/2 when x is 2 , find the constant of variation and variation equation
*Thursday, August 28, 2014 at 2:35pm*

**Math**

Choose the best description for the real number 34/5 Irrational, because it is a fraction Irrational, because it is a repeating decimal Rational, because it is a fraction Rational, because it is a terminating decimal
*Thursday, August 28, 2014 at 1:25pm*

**math- help needed badly**

a pilot entering a bay on course 60.3 degrees at the speed of 12 knots sees a light bearing 37.3 degrees true, and 20 mins later he sees it bearing 20 degrees true. if he keeps the same course and speed,(a)when will he be nearest to the lighthouse and how near (b) when will he...
*Thursday, August 28, 2014 at 1:12pm*

**Math**

A rectangular garden is to be fenced by a farmer. One side of the garden is next to the wall of the house and need not to be fenced. Find the dimensions of the largest garden that can be enclosed with 100m of fencing.
*Thursday, August 28, 2014 at 11:43am*

**math**

if a vitamin cost 29.50 and you paid 14.75 what percentage is that
*Thursday, August 28, 2014 at 11:32am*

**Math**

The monthly profit P, in thousands of pesos of a company can be estimated by the formula P(x)= -3x^2+30x+2, where x is the number of units sold per month. Find the number of units that must be sold by the company to maximize its profit and then find the maximum profit.
*Thursday, August 28, 2014 at 11:21am*

**math**

Geeta bought eggs at Rs 8.40 a dozen. At what price per hundred must she sell them so as to earn a profit of 15 percent?
*Thursday, August 28, 2014 at 6:23am*

**math**

What is the value if the underlined digit in the number 410,327?3
*Thursday, August 28, 2014 at 1:43am*

**Math**

The area of a rectangular hallway is 120 square feet. If the length and the width are both composite numbers what are the possible dimensions of the hallway? Would it be 40 by 4?
*Thursday, August 28, 2014 at 1:11am*

**Math**

If sheila wants to earn 10% annual simple interest on an investment, how much should she invest so that its value is worth $20000 in 15 months?
*Wednesday, August 27, 2014 at 11:34pm*

**Math**

Rina saves $4.50 each week. Her sister save $2 more each week. When her sister has saved $14 more than Rina, how much has Rina saved?
*Wednesday, August 27, 2014 at 10:57pm*

**math**

m=2/3 trying to help my child can someone please show me how to do this
*Wednesday, August 27, 2014 at 9:56pm*

**Math**

The initial amount of sugar in fermenting a batch of beer is 5.5grams. Over time the sugar decreases at a rate of 0.1grams per day. a. what is the amount of sugar that remains after 7 days? 23days? b. If A represents the amount of sugar, write an equation for the amount of ...
*Wednesday, August 27, 2014 at 9:41pm*

**math**

which fraction could be expressed as a terminating decimal. I relly don't know what to do is it a 2/3 b 1/9 c 8/8 d 7/12
*Wednesday, August 27, 2014 at 9:25pm*

**Math**

the ratio of of the number of adults to the number of students at the prom has to be 1:10. Last year there were 477 more students than adults at the prom. If the school is expecting the same attendance this year how many adults have to attend prom?
*Wednesday, August 27, 2014 at 8:44pm*

**Math**

.037x.15 0.00555
*Wednesday, August 27, 2014 at 8:42pm*

**math**

Simplify (3x-2)^3 - (4x+5)^2
*Wednesday, August 27, 2014 at 8:17pm*

**math**

Solve 10/x - 12/(x-3) + 4 = 0
*Wednesday, August 27, 2014 at 8:15pm*

**Math**

estimate 6.9 x 3.67 2.800
*Wednesday, August 27, 2014 at 8:10pm*

**Math**

Suppose you have a $1,000 face value bond with 12 years to maturity, a coupon rate of 6% and a yield to maturity of 8%. If the bond makes semiannual payments, what is it's price today?
*Wednesday, August 27, 2014 at 8:06pm*

**Math- urgent**

Vong grilled 21 burgers at a block party. He grilled the same number of pounds of turkey burgers as hamburgers. Each turkey burger weighed 1/4 pound and each hamburger weighed 1/3 pound. How many of each did Vong grill?
*Wednesday, August 27, 2014 at 7:59pm*

**math**

estimate 6.9 x3.67 25.323
*Wednesday, August 27, 2014 at 7:56pm*

**Math**

It seems that even though i am older than a sibling by about three years the state keeps changing curriculum s for the grade and now i think i know the answer but I'm not sure of it. In the decimal 99.999, which is 1/10 the value of the 9 in the tenths place? Does that ...
*Wednesday, August 27, 2014 at 7:50pm*

**Math**

Two ways to write 67,000 ----place value
*Wednesday, August 27, 2014 at 6:51pm*

**Math- urgent**

Solving Systems by Substitution Maribel has $1.25 in her pocket. The money is in quarters and dimes. There are a total of 8 coins. How many quarters and dimes does Maribel have in her pocket? I think the equation is 10x+25x=$1.25 and x+x=8 but I'm not sure.
*Wednesday, August 27, 2014 at 6:46pm*

**math**

The number 5 is A) prime B) composite C) neither prime nor composite D) both prime and composite
*Wednesday, August 27, 2014 at 6:26pm*

**Math**

how do write this fraction as a percent 21/25
*Wednesday, August 27, 2014 at 6:18pm*

**Math**

You have 17fourths of pizza. Show with math or pictures how many pizza you have. 4 pizzas with 1 slice left. 4
*Wednesday, August 27, 2014 at 6:05pm*

**math**

what 3 -dimensional soild has a circle as every cross-section
*Wednesday, August 27, 2014 at 5:54pm*

**math**

Find the equation of the circle with endpoints of diameter (-1,3) and (7, -5)
*Wednesday, August 27, 2014 at 5:44pm*

**math**

3/7x29=
*Wednesday, August 27, 2014 at 5:30pm*

**math**

Use properties to find the suma or product 93+(68+7) 5×23×2 8×51 34+0+18+26 6×106
*Wednesday, August 27, 2014 at 5:17pm*

**math**

93+(68+7)
*Wednesday, August 27, 2014 at 4:14pm*

**Math**

The three angles of a triangle are 105°,25°,50° . In what ratios are the sides?
*Wednesday, August 27, 2014 at 4:06pm*

**Math**

What does this question mean Find the zeros of the following equation y=(x+1)(x-3) Does it mean. 0=(x+1). Or 0=(x-3) x=-1. Or x=3
*Wednesday, August 27, 2014 at 3:37pm*

**Math**

Use substitution to solve the system. 3x+5y=21 y=2x-1
*Wednesday, August 27, 2014 at 3:23pm*

**Math**

The three angles of a triangle are 105°,25°,50° . In what ratios are the sides?
*Wednesday, August 27, 2014 at 3:11pm*

**math**

Solve the following logarithmic equation. ln(x+3)-ln(x-2)=6
*Wednesday, August 27, 2014 at 2:36pm*

**Math for college readiness**

Find the greatest common factor of these two expressions. 16w^3x^8v^4 and 28x^2v^7
*Wednesday, August 27, 2014 at 2:16pm*

**Math**

Simplify. y^-9*y^3 Write your answer with a positive exponent only.
*Wednesday, August 27, 2014 at 1:45pm*

**math**

simplify with a positive number y^-9*y^3=
*Wednesday, August 27, 2014 at 1:27pm*

**math**

a captive balloon is connected to a ground station A by a cable of length 842 ft inclined 65 degrees to the horizontal. In a vertical plane with the balloon and its station and on the opposite side of the balloon from A, a target B was sighted from the balloon on a level with ...
*Wednesday, August 27, 2014 at 12:23pm*

**math**

a pilot entering a bay on course 60.3 degrees at the speed of 12 knots sees a light bearing 37.3 degrees true, and 20 mins later he sees it bearing 20 degrees true. if he keeps the same course and speed,(a)when will he be nearest to the lighthouse and how near (b) when will he...
*Wednesday, August 27, 2014 at 12:22pm*

**math**

the first planhas a $16 monthly fee and charges an additional $.08 for each min. of calls. the second plan charges $10. fee and charges an addition $.13 for each min. for how many min. of calls will the cost be equal?
*Wednesday, August 27, 2014 at 12:14pm*

**math 221n**

A shipment of 40 television sets contains 3 defective units. How many ways can a vending company can buy five of these units and receive no defective units?
*Wednesday, August 27, 2014 at 11:49am*

**Math**

A shooting game has 10 targets. The player has 10 arrows. In order to win the game, the player must shoot all 10 targets. What is the probability of shooting all 10 targets?
*Wednesday, August 27, 2014 at 7:02am*

**math**

Collect the water and electricity bill for your flat in the month of June, July and August- 2014. Construct a double bar graph for it. a) In which month is the consumption of water more? b) In which month is the consumption of electricity less?
*Wednesday, August 27, 2014 at 5:15am*

**Math, Science, Sociology, Economics**

Math: What is the answer to 1146(150+X)+8911(743+19X) Science: What is photosynthesis? Sociology: What is figuration and functionalism? Economics: What is Opportunity cost? Why is it relevant to life?
*Wednesday, August 27, 2014 at 2:14am*

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