# Math

## Recent Questions

**math**

In △DEF, DF=16 and m∠F=45. Find the length of a leg. Leave your answer in simplest form.?

**math**

When the product of 6 and the square of a number is increased by 5 times the number, the result is 4. Which equation represents this situation? 6x2 + 5x - 4 = 0 6x2 + 5x + 4 = 0 62x + 5 + x = 4 6 + x2 + 5x = 4

**math**

18x^2 + 6+4x - 15x^2 - 4 + 13x My Answer 3x^2 + 17x + 2

**math**

18x^2 + 6 4x - 15x^2 - 4 + 13x My Answer 3x^2 + 37x - 4

**Math**

Construct kite ABCD with adjacent sides AB egual to 6cm and BC egual to 9cm.BAC=60cm

**Math (Calc) (Differential Equation Solution)**

Some of the curves corresponding to different values of C in the general solution of the differential equation are shown in the graph. Find the particular solution that passes through the point (0, 2). y(x^2+y) = C 2xy + (x^2+2y)y' = 0 How would I start this problem to solve ...

**math**

there are 184 green marbles. the marbles will be put into 8 jars. about how many marbles will go into each jar?

**MATH**

The table shows the result of spinning a four-colored spinner 50 times. Find the experimental probability and express it as a decimal P(not red) Color RED BLUE GREEN YELLOW Times Spun 20 10 9 11 A. 0.6 B. 0.4***** C. 0.2 D. 0.3

**Math**

Ms. Yan her new kitchen. The area is 3.5meters by 2.8 meters. How many square meters will be tiled?

**math**

A shopkeeper marks up price of his product by 40%.if he increases the discount from 5 to 10 %,the product would decreases by rs14.how much profit would he earn,if he gives a discount of 20% as marked price?

**math**

How many perfect squares are there between 200 and1000?

**math**

A bookseller marks his books at an advance of 69% in actual cost of production.he allows a discount of 15% and also given a copy free for every dozen sold a time.what rate percentage profit does the bookseller make,if books are sold to 12? ( ANS 32.6? )

**math**

A man would gain 25% by selling a chair for rs47.5 and would gain 15% by selling a table for rs57.5.he sells the chair for rs36.what is least price for which he must sell table to avoid any loss on the two together?

**Math**

A rope of length 9 3/4 is cut into 6 pieces of equal length. Find the length of each piece.

**Math**

Two automobiles leave an intersection at the same time. One of them travels west and the other travels south. When the vehicle going south has traveled 24 miles, the distance between the cars was four miles more than 3 times the distance traveled by the vehicle traveling west...

**Math**

A rectangular prism has A length of 1/2 foot and the height of 1/4 foot. What is the width of the right rectangular prism if its volume is 1/4 cubic foot?

**math**

Factorise: 4x^2-9y^2+2x-3y

**math**

What is the slant height of the cone with the suface area of 200cm2?

**Math**

In the Doubles Game, students can win carnival tickets to spend on games and food. A player pays one ticket to roll two number cubes(six-sided dice). If the numbers match, the player wins five tickets. If a player plays this game 20 times, about how many tickets can he or she ...

**Math Trigonometry**

Hi guys, I was wondering if you guys can help me with this question. I'm not sure how to do this question. As I keep on getting something that's out of the unit circle. Please help! 17sec2(θ)-13tan(θ)sec(θ)-15=0

**math**

Luke build a model train to a scale of 1:25.calculate a copy of the table below using his scale. length of engine on the real x and on the model is 16cm. length of train on the real 20m and x on the model. height of train is x and 12cm on the model.

**math**

The population of town N increases every year by 2%. What will be the population of this town in 3 years if it is currently nine hundred thousand people. (Round the answer to a whole number.)

**math**

A purchase, with shipping and handling, cost $39.00. What percent of the price of the purchase was spent on shipping and handling if the price of the item was $35.10?

**Math**

Differenciate implicitly x^3+y^2=27xy

**math**

Find new percentages, and find the actual quantities:75% of 75% of 256

**math**

The volume of industrial production increased ten times. What was the percent increase?

**math**

The population of town N increases every year by 2%. What will be the population of this town in 3 years if it is currently nine hundred thousand people. (Round the answer to a whole number.) Please help

**math**

A tank containing 64 gallons lost 6 1/4 % through leakage. How much was left in the tank?

**math**

At first, a price was decreased by 12%, then it was discounted again by an additional 5%. What is the total percent of the discount?

**math**

A purchase, with shipping and handling, cost $39.00. What percent of the price of the purchase was spent on shipping and handling if the price of the item was $35.10?

**Math Trig**

I can't seem to get the right answer on my assignment. I keep on getting 276.403 and seem to get it wrong. Please help. Suppose that cot(θ)=−8.91 and 0∘≤θ<360∘ Find the two distinct angles.

**Math**

A designer enlarged both the length and the width of a rectangular carpet by 50 percent. The new carpet was too large so the designer was asked to reduce its length and its width by 20 percent. By what percent was the area of the final carpet design greater than the area of ...

**math**

What is the area of a quadrilateral ABCD, if AB = 5 cm, BC = 13 cm, CD = 9 cm, DA = 15 cm, AC = 12 cm?

**math**

In a group of children, 45 play football out of which 30 play football only 28 play hockey, 25 play cricket, out of which 11 play cricket only, further, 7 play cricket and football but not hockey, 5 play football and hockey but not cricket and 10 play football and cricket both...

**Math**

Find the greatest number of four and five digits, which are perfect square. Also find least number four digits, which is perfect square. I have solved but with help of calculator. 9805 ,99856 and least is 1024.are these correct? Please tell me how can I find these without the ...

**Math**

The of the 45 numbers is 9.the average of the first 20 is 10 and the average of the last 24 is 8.find the 21st number. I have solved please check this. 9=x/45 ,so x=415. 10=x/20, x=200 and 8=x/24, x=192 So,415-(200+192)=23.answer Is this way and answer correct?

**math**

Ãƒâ€”=50 + 30t -5t a. Find the maximum height the particle attains

**math**

a bucket of 20 litres is 35% full. how many litres of water must be put into it so that it is 65% full

**Math**

If a cab cost 2.50 per mile and the ride is 9.6 miles how much would the fare be

**Math**

Find the x-coordinate of the vertex of a parabola that passes through the points (0,6) and (8,6)

**math**

Two ship P and Q left a port R at the same time.Q sailed on a bearing of 150 while P sailed on the north side of Q.After a distance of 8km and 10km by P and Q respectively,their dirtance part was 12km.find the bearing of P from R.

**Math**

Divide the sum of 78/12 and 8/3 by their difference

**math**

What is the probability that a randomly selected three-digit number is divisible by 11? Express your answer as a common fraction.

**Math**

Anna is making fruit punch and iced tea to serve during the day. She starts brewing the tea for the iced tea. The recipe for iced tea requires 3 tea bags for every 5 cups of water. Write an equation that can be used to determine the amount of water, c, in cups, needed for t ...

**Math**

Find the least number that is multiplied to 1176 t0 make it perfect square.

**math**

1.y=x/(x+1)^2 and y=x^5－x ,x≥0

**math**

Smita and Geeta have marbles in the ratio 3:2.Geeta and Reshma have marbles in the ratio 3:5.if they have 250 marbles all together,how many marbles does Smita have???

**math**

The cost of 3 bananas 4 apples and 6 mangoes is rs.29 and the cost of 2 bananas 6 apples and 3 mangoes is rs.23.what is the cost of 7 bananas 16 apples and 12 mangoes???

**math**

What would you need to multiply by in order to solve this system of equations using the linear combination (elimination) method? {6x−2y=4 7x+5y=3 Multiply the 1st equation by 3 and leave the 2nd equation alone. This will eliminate the y's when you add the two new equations ...

**math**

Two bells were rung at a time interval of 60 minutes and 90 minutes respectively. After how many minutes will both bells be rung again?

**Math**

How many three-letter combinations are possible using the letters D, E, F, G, and H?

**Math**

You want to have $60,000 college fund in 12 years. How much will you have to deposit now under the scenario below. Assume that you make no deposits into the account after the initial deposit. An APR of 8% compounded daily. I know how to break the problem down, but I am not ...

**Math**

How do I convert numbers into percentages. The all of the percentage is out of 50%.

**Math**

7. A rectangle field has an area of 300 square meters and a perimeter of 80 meters. What is the ratio of the length to the width of this field?

**Math**

Which properties justify the steps taken to solve the system? {4x+3y=25 {2x+−5y=19 Drag the answers into the boxes to match each step. 4x+3y=25; −4x+10y=−38 ________________ 13y=−13 _________ y=−1 ____________ 4x+3(−1)=25 _________ 4x−3=25 _______ 4x = 28 ...

**Math**

A man travels distance 18km/h from his house . To an exhibition by rickshaw at 15km .and return back on cycle at 20km/h. Find his average speed for the whole journey

**Math**

Kazuko has a beach ball. It is colored with six vertical sections, in order: white, orange, yellow, blue, red, and green. She spins the ball, and she notices that the colors whir by very fast. If the first color to go by is white and the ball spins around so that 500 colors go...

**Math**

What is the maximum number of square tickets of side 10 cm that can be obtained from a square sheet measuring 1 metre on each side? Area of square= 1m×1m =1metre =100cm =100÷10 = 10 cm^

**Math**

A man in rowboat 12km from the nearest point A. On a straight shore wishes to reach point B 16km from A along shore.where should he land if he can row 4km/hr and walks 8km/hr.

**Math**

A square field has a side of 50 meters.How many times must an athlete jog around this field to cover a distance of 3 kilometers? Area = S x S = 50 × 50 =2500 meters .... I'm stuck

**math algebra**

The sum of 2 numbers is 400.If the first number is decreased by 20% and the second number is decreased by 15% then the sum would be 68 less than 400.Find the numbers after the decreasing.

**math**

When baking a cake, you have a choice of the following pans: a round cake pan that is 2 inches deep and has a 7 inch diameter a 6 inch × 9 inch rectangular cake pan that is 2 inches deep a. Which of these pans has the larger volume? Justify your answer. b. Excluding the ...

**math**

fuel gauge registers one third of a tank then ten gallons is added now the gauge reads three fourths of a tank. How many more gallons is needed to fill the tank?

**Math**

A lemonade machine with a cash price of $4000.00 is purchased on an installment plan with a$460.00 down payment and 13 monthly payments of 272.31. What is the amount financed

**math**

Two cars,a and b travel in a straight line.The distance of a from the starting point is given by x=(4m/s)t+(1m\s^2)t^2;the distance of b from starting point is y=(2m/s^2)t^2+(2m/s^3)t^2; (a)At what times are the cars at the same point? (b)At what times is the velocity of b ...

**math**

The ratio of Toby's salary to George's salary is 13:8. The ratio of George's salary to Bill's salary is 2:3. Find the ratio of Toby's salary to Bill's salary, and Bill's salary to total salary.

**math**

Each student in a class contributed as many paise as number of student in the class.teacher contributed rs 13 to make total collection of rs 49.how many students were in the class?

**Math**

I am a 4 digit number between 2000 and 5000. Each of my digit is an even number. Also,all my digits are identical. Who am I

**math**

how long take to make 127000 grow into 425000

**math**

if the point A has distance "a" to x-axis, and has distance "b" to y-axis, and A is in quadrant 4, then what is the coordinate of A?

**math**

Ali has an assortment of coins and notes in his money box. He has nine times as many $1 coins as $5 notes, while there are eight times as many $2 coins as $5 notes. After counting his money Ali discovered that he had exactly $90. How many $2 coins, did he have?

**Math**

From a barrel of colored marbles you randomly select 7 blue, 5 yellow, 8 red, 4 green and 6 purple marbles. Find the experimental probability of randomly selecting a marble that is not yellow. write your answer in simplest form. help please

**Math**

Harry lost 15p, which was 3/4 of his money. How much had he at first?

**Math**

A man travels distance 18km/h from his house to an exhibition by rickshaw at km/h and return back on cycle at 20km/h find his average speed for the whole journey

**Math**

(x)/(x-2)+(x-1)/(x+1)=-1 Can someone help me with this?

**math**

a rectangular field is 3/4 of a mile long and 2/10 of a mile wide . what is the field in square miles ?

**Math**

A rectangle has a base length of x+2 and a height of x+4. Work out an expression for the area of the shape?

**Math**

what is the equation of the circle with center (-6,7) that passes through the point (4,-2) ? Answer choices: (x+6)^2 + (y-2)^2=9 (x-3)^2 + (y+2)^2=9 (x-3)^2+(y+2)^2=3 (x=3)^2=(y-2)^2=3

**Math**

y + 5 is equal to or greater than 7 Is y less than or greater than 12? Please check, and help correct.

**Math**

Lucy wants to find out the number of frogs in the pond near her house she catches 54 of them puts on a leg bands on each frog and put them back in the pond the next week she catches 70 frogs of those 70 frogs 13 have a leg band based on this information what is a responsible ...

**Math**

x/4 + 1 = -6 I'm not sure the process to solve the equation, could I have help?

**math**

beth used 30 cubes but to build a rectangular prism that was 5 cubes high she decided to take apart the prism and build another one with the same 30 cubes but diffrent dimensions what dimmesons could beth used

**Math**

How can I find number of inches in F feet and I inches?

**Math**

ALi rents a car for d days. He pays m dollars per day for each of first 7 days,and half that rate for each additional day. Find total rate, if d greater than 7?

**math**

Jose is wrapping a stack of 100 coins in a paper holder. Each coin is 18 inch thick and has a diameter of 1 inch. How many square inches of paper will Jose need to cover the stack of coins? Use 3.14 for π. Enter your answer in the box.

**Math**

If p pounds of potatoes cost $k,find the cost (in cent) of one pound of potatoes.

**Math**

How many passengers can be seated on a plane with r rows, if each row consists of d double seats and t triple seats?

**Math**

David had d dollars. After a shopping trip, he returned with c cents.how many cents did he spend?

**Math**

How many ounces are there in p pounds and q ounces?

**math**

Distance between 2 villages A and B is 165km.a scooter rider starts from A to B at 75km at speed of 320km/hr.at the same time another scooter rider starts from B towards A at speed of 25km/hr.find when they will cross each other? ( 10 am)?

**math**

Consider the pattern: 11 - 2 = 3^2 1111 - 22 = 33^2 111111 - 222 = 333^2 ..... x - y = 33,333,333^2 Find the values of x and y.

**math**

there are 2000 students in a course. thet wrote a mathematics test which was scored out of 40 and then converted to percentage. draw a flowchart that reads the name,sex and score of each student and output the name of the female students that scored below 45% and how many they...

**Math**

In an examination of a certain class, at least 70% of the students failed in Physics, at least 72% failed in Chemistry, at least 80% failed in Mathematics and at least 85% failed in English. How many at lest must have failed in all the four subjects ?

**Math**

A car run until the gas tank is 1/8 full.the tank is then filled to capacity by putting in 14 gallons.the capacity of the gas tank of the car is........?

**Math**

If 1/3 of the liquid contents of a can evaporates on the first day and 3/4 of the reaminder evaporates on the second day, the fractional part of the original contents remaining at the close of the second day.......?

**Math**

The number of half pound packages of tea that can be weighted out of a box that hold 21/2 lb.of tea is.........?

**Math**

One half of the employees of ICI Co earn salaries above 18000/=annully ,one this of the reaminderr earn salaries between 15000 /= and 18000/=.what part of the staff earns below 15000/=?

**Math**

Jason won some goldfish at the state fair.during first week,1/5 of them died, and during second week, 3/8 of those still alive are the end of the first week died.what fraction of the original goldfish were still alive after two weeks?

**math**

is y varies iversely with x, and why y =-16 when x=-64, what is the constant of variation

**math**

on a scale drawing, the length of a plane is 45 cm. The actual length of the plane is 90 m. What is the scale used?