Math

Recent Questions

Math (fractions)
I am not being lazy, I've tried to get this done several times, but I am VERY bad when it comes to fractions. Barbara, Donna, Cindy, and Nicole ran in a relay race. Barbara: 3 3/10 Donna: 2 4/5 Cindy: 3 2/5 Nicole: 2 1/10 1. The four girls ran in a relay race as a team. If ...

math
Find the function of that without simplifing it 1.f(x)2x2sinx

math
Find the derivatives of the following functions. 1.F (x)cotx 2.f (x)=sin (x2+2)

Math
Translate into mathematical expression 42 more than x

math
A cyclist took 3 1/3 hours to cover 46 km. For the first 30 km, he cycled at 15 km/h. Find his speed for the last part of the journey.

Math
Area of isosceles right angled triangle is 12.5cm .then find length of its hypotenuse .

math
The data set below shows the number of players on each softball team in a tournament: 9 12 8 7 7 21 11 9 8 7 10 7 10 11 Which of the following statements is true based on the data set?

Math
Evaluate the expression. P(9,4) A.1512 B.240 c.3024 D.15,120 (9) (4) the 4 is underneath the 9 in the parathesis with it A. 15,120 B.126 C.1512 D.240

math
A single, standard number cube is tossed. What is the probability of getting a number other than 6? A game involves spinning this spinner. What is the probability of the pointer landing on Y? The table shows the color preferences of 50 shoppers at the mall. What is the ...

Math
In how many ways can 4 people be chosen and arranged in a straight line, if there are 5 people from whom to choose? A shirt company has 3 designs that can be made with short or long sleeves. There are 5 color patterns available. How many different types of shirts are available...

Math
The first term is 23, and the common difference is 4 ; n= 5

Math
Write out the first five terms of the sequence an=3(4n-1)

Math
MIKE has a dog pen with an area of 120 sq. Feet. What is its width?

Math
Two thirds of Helen's age is half of Dales age. Dale is 10 years older than Helen. How old is Helen?

Math 6th Grade
Bob is planting in a rectangular container. In the center of the container he places a smaller rectangular tub with mint. The tub is 8 in. by 3 in. He plants flowers around the tub. What is the area of the container planted with flowers? The whole rectangle is 38 in by 25 in, ...

Math
Don bats in 9 cricket matches. In the tenth match, he makes 9 runs and his average decreases by two. How many runs has he made in all?

Math Explain
18x^2 + 6 + 4x - 15x^2 - 4 + 13x okay i know the answer is 3x^2 + 17x + 10 but i dont know how i got it can someone explain plz

Math
(5y^2 - 2y) + (9y^2 - 9y) My Answer 14y^2 - 11y am i right

Math Help
In the expression -9x-2x^2+7 what is the coefficient of x A. -9 *** B. -2 C. 7 D. 9 answer is A am i right

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
×=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?

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