# Math

## Recent Questions

**math**

1+1

**math/econ**

If the demand is x(p)=40(p-15^2) with p being the price and x being hte demand, what would the elasticity of demand equation be?

**Math**

Ernie walks 1/6 mile in 1/12 hour when he walks along the river trail. How many miles does Ernie walk when he hikes on the trail

**Math**

Lisa has 3/5 as many cookies as Betty.If Lisa gives 1/3 of her cookies to Betty,what will the ratio of Lisa's cookies to Betty's cookies be.

**math**

What is the total capacity in gallons of a rectangular tank 5 meters in height knowing that it will hold 200 liters per foot?

**math**

The scale on amount is 2 inches equals 75 feet. On the map a rectangle or park is 8 inches long and 3 inches wide. What is the actual area of the park? Please answer I am confused.

**Math**

if 2m + n= 7, then 9m+3n= i tried using elimination for this one too. I tried to find m m= 7-n/2 Then i plugged it into the first equation. and somehow i got 7=7 ??? CAN SOMEONE PLEASE EXPLAIN

**Math**

If 5x and 9y =28 and x and y are positive integers what is the value of x?

**math**

For a normal distribution with mean of 80 and a standard deviation of 8, find the number of standard deviations the raw score 67 is from the mean (Give answer as a positive value rounded to nearest hundredth).

**math**

$12,000, invested for 7 years at 3% compounded quarterly.

**Math**

If you had 2 cookies and you ate one. How many cookies do you have left?

**Math**

If you have two cookies and you ate one. How many cookies do you have left?

**math**

how do I solve problems like this? 64x1 7/24

**math**

Emma is X months older than molly. If molly is 9 months old, write an expression for emmas age M= Months x= emmas age XM= 9 ?

**math**

A computer printer can print a 660-word document in 35 seconds. At this rate, how many seconds are required to print a document that contains 840 words?

**Math**

Perimeter of the equilateral triangle whose side 3x square +4x +8

**Math**

the probabilities that a customer will rent 0 1 2 3 and 4 DVDs on a single visit to the rental store are 0.15, 0.25, 0.3, 0.25 and 0.05, respectively. construct a probability distribution for the data and draw a graph for the distribution

**Math**

A bus service center has 2 feed services that start together at 8 a.m. Bus A leaves at 15 minutes interval, while bus B leaves at 20 minutes interval. On a particular day , how many times do both services leave together from 8 a.m. to 11 a.m.?

**Math**

A children's park is 350m long and 200 m wide. It is surrounded by a pathway of uniform wittd. Suppose the total area of the park and the pathway is 74,464 meter square. How wide is the pathway?

**Math**

I am thingking of a number thrice my number minus 6 equals 66 what is my number?

**Math**

Find the perimeter of the equilateral triangle whose side 3x square +4x +8

**math**

si spend2 /3 of his study for home work & remaining for revisions, if his study is 9/2hours a day, how much time does he spend revising in a week?

**math**

A pie is cut in to 10 equal sector find the measure of the central angle of one slice of pie

**math**

ram salary is 350000/annum,he spends3/5 of his salary for charity. what is the amount he spend for charity, and what is the amount left with him?

**Math**

A body of 6 kg rest in limiting equilibrium onan inclined plane whose slope is 30° the plane is raised to a slope of 60 degree the forcw in kg weight around the plane required to support it is

**Math**

A woman is 45 years old. Her daughter is 12 years old.How many years it takes until the daughter is half as old as her mother?

**Math**

Find (-6/7+18/28)*-7/5

**math**

Jerome will be buying a used car for $9 comma 0009,000 in 22 years. How much money should he ask his parents for now so that, if he invests it at 99% compounded continuouslycontinuously, he will have enough to buy the car?

**math**

Steven is moving to another city next weekend and wants to rent a moving truck. The rental rates for two companies in his area are shown below. Each company charges an initial fee for renting the truck, plus an additional amount per mile. Calculate how much each company ...

**Math**

If the diameter of a circle P is 40 percent of the diameter of circle Q, then the area of circle P is what percentage of the area of circle Q? Not enought information given right?

**Math**

Two planes start at 11AM from two airports 1800 miles apart, and fly toward each other at average rates of 200 and 250 miles per hour. the time at which they pass each other will be? (A)4:30 PM (B)2:30 PM (C)2 PM (D)3 PM

**Math**

The probability of drawing a peppermint candy out of a jar of 25 candies is 1/5. How many more peppermint candies should be added to the jar in order to increase the probability of drawing a peppermint candy to 1/3? (A) 5 (B) 10 (C) 15 (D) 30

**Math**

Use the digits of your birthday as the amount of your initial investment (i.e., 6/25 is $625), calculate the value of this investment after 10 years at 3.5% APR for interest compounded yearly, quarterly, monthly, and daily. What do you notice?

**math**

If 3/x= 6, then x-1= I tried to solve for x and got 2, but 3/2 does not equal 6??

**Math**

A jug can hold 3 times as much juice as a mug if the jug can hold 2 L of juice how much juice in liters can the mug hold

**math**

Mr usher is 184cm tall and his sister sarah is 5/8 as tall as him. How tall is sarah

**Math**

Hoping Henry can help on previous prob. A ball is thrown upwards from a roof top, 80ft above the ground. It will reach a maximum vertical height and then fall back to the ground. The height of the ball from the ground at time T is H, which is given by H= -16t2 + 64t +80. V = ...

**Math**

4th and 7 terms of a G.P. are 1/18 and -1/ 486 respectively. Find the G.P. My solution: ar^3=1/18.... eq no1 ar^6=-1/486...eq no2 ar^6/ar^3 = -1/486÷1/18 r^3=-1/27 r=-1/3 Place this value in equation 1 ar^3=1/18 a*-1/3^3=1/18 a*-1/27=1/18 a=-7/6 Required GP: a=-7/6 ar=-7/6*1/...

**math**

mass of earth is 5.97x10^24kg. and mass of moon is 7.35x10^22kg what is the total mass

**Math**

A box contained apples,oranges and pears.3/5 of the fruits were apples and 1/4 of the fruits were oranges.What fraction are the pears?

**math**

if one root of the quadratic equation is 3+2root2 then what will be the other root?

**math**

If you put 200 tagged fish in a pond, then collect a sample of 50 and 8 of them are tagged. How many fish are in the pond?

**math**

what percent of 60 is 72?

**math**

What is 112% of 80?

**Math**

c is 83 1/3% of what number?

**Math**

80 is 40% of what number?

**Math**

Find 6% of b

**Math**

What is 62 1/2% of 80?

**math**

Write 2/5% as a decimal.

**Math**

Write as a fraction: 4.5%

**Math**

A certain grometry class has 36 students. if two-thirds are boys and three-fourths of the boys are under six feet tall, how many boys in the class are under 6 feet tall?

**math**

A square 4 inches on a side is cut up into smaller squares 1 inche on a side. What is the maximum number of such squares that can be formed?

**math**

Mrs. Herby bought some carrots. She put 2/5 of them on a platter and the rest in a plastic bag. If there were 8 carrots on the platter, how many carrots were there in the plastic bag?

**math**

If you eat 2/3 of a pizza, and are left with 12 slices, how many slices are in 1/2 of the pizza?

**math**

0.7 of which is 3.43

**math**

4/100 of which is 0.8

**math**

Insert parentheses to make the equality a true statement:12+3*8−8÷4=7

**Math it, geography, business studies and ife scien**

Can i do poitica science in university

**math**

A plane is flying due east at 600 km/h at a constant altitude. From an observation point P on the ground, the plane is sighted on a bearing of 320◦. One minute later, the bearing of the plane is 75◦ and its angle of elevation is 25◦. Show that the altitude h metres of ...

**Math**

Determine which is greater 99^100 or 100^99 ? Explain

**math**

If a trapezium was drawn such that it has got two right angled triangles,why the area of that trapezium will differ if someone is considering the areas of two right angled triangles lastly he/she add to obtain the total areas from the one who will use the formula for finding ...

**math**

in a town there are 1600 phones out of which 3/4 are dial phones 1/3 of those dial phones are replaced by touch-tone phones and 300 additional touch tone phones are installed. the fraction representing the touch tone phones in town is: (a) 7/19 (b) 11/19

**math**

If a trapezium was drawn such that it has got two right angled triangles,why the area of that trapezium will differ if someone is considering the areas of two right angled triangles lastly he/she add to obtain the total areas from the one who will use the formula for finding ...

**Math**

A sample of 4 different calculators is randomly selected from a group containing 47 that are defective and 29 that have no defects. What is the probability that all four of the calculators selected are defective? Round to four decimal places.

**Math**

(2x 3 y2 3z)(3xyz4)3

**Math**

(-2y4^z3)2(-xy)4

**Math**

A local Hamburger shop sold a combined total of 561 Hamburgers and cheeseburgers on Sunday. There were 61 more cheeseburgers sold than Hamburgers were sold on Sunday?

**math**

An apartment building has 15 apartments in it. The tenant association is having a hard time collecting the fees from the tenants with an 0.6 probability of a tenant paying their fees. What is the probability of tenant association collecting fees from 11 out of the tenants ? ...

**math**

A university has 1500 students out of which 500 are history students, 800 are English students and 200 are both history and English students. Are the events of a student being an English student or a history student independent ?

**math**

A standard deck of cards has 52 cards in it. The cards are divided into 4 suits or 13 cards each.If one draws two cards at random from the deck of cards what is the probability that they are of the same suit ?

**Math - Physics**

A typhoon moving 165 km/h 300 south of west is caused by two other forces acting in different directions. Find the components of the typhoon’s velocity that is due to the two forces.

**Math**

State a number which is multiply by itself exceeds to hafl century by dozen one

**Math**

Find the arithmetic sequence whose 1st term is 1 and the 1st, 2nd and 6th terms form a geometric sequence

**Easy Math**

Find functions f and g so that f o g = H. H(x)=1/(x^2-5)

**Math trigonometry**

8sin^2theta+10 sin theta cos theta =3cos^2 theta=0 then general solution for theta is

**MATH**

which channels is the most popular one for the evening news? WKOD 13%, WCLM 24%, WWCN 41% WANR 22% ?

**creative play**

Concepts of math, science, and social studies can be developed through the use of: A. community involvement. B. blocks. C. thematic intelligence. D. small motor equipment. B?

**Math**

18-16=13-?

**Math**

A rectangular garden in a backyard has an area of (3x^2+5x-6) square meters. It's width is (x+2) meters A. Find the length of the garden B. You decided to partition the garden into two or more smaller congruent gardens.Design a possible model and include mathematical concepts ...

**Math**

The side of the square lot is (5x-3) meters. How many meters of fencing materials are needed to enclose the square lot? If one square meter of the lot costs Php15,000,what is the cost of the square lot?

**Math**

[6√27-√27/4]^2=?

**Math**

[6√27-√27/4]^2=?

**finite math**

A restaurant offers 6 appetizers, 8 salads, 7 entrees and 9 desserts. In how many ways can a customer select a meal, if a meal consists of an appetizer, a salad, an entree and a dessert? a) 30

**Math Division polynomials**

Mr.Aquino wants to paint the ceiling of a room that has length of (c^2+2cd+d^2) meters and width of (c+d) meters. If one can of paint will cover (c+d)^2 square meter, what is the minimum number of cans of paint needed? Express your answer as a polynomials.

**creative play**

Stocking a math or science center with different sized manipulatives would be an appropriate modification for children with __________ issues. A. fine motor B. gross motor C. speech D. behavioral A?

**math**

A force of125 N pulls due west on a body, and a second force pulls N 28.7 degrees W. The resultantforce is 212 N. Find the second force and the direction of the resultant.

**math**

A force of125 N pulls due west on a body, and a second force pulls N 28.7 degrees W. The resultantforce is 212 N. Find the second force and the direction of the resultant.

**Math-------please help**

a square carpet covers 60% of the floor area the room is 5m by 5m what are the dimensions of the carpet

**Math**

a square carpet covers 60% of the floor area the room is 5m by 5m what are the dimensions of the carpet

**Math**

Find the area of a sq. Whose side is 2.5 cm in length ?

**Math**

A hall feature 16 MTR by 12 MTR. How many sq.tiles 25 cm will be required to pave its floor

**Math**

An object is dropped from top of a 430 foot building,it's height in feet at time t seconds is given by polynomial -16t^2+430.find the height of the object when t=5 second.

**Math**

An aeroplane flies from town A(20°N,60°E) to townB (20°N,20°E) if the journey takes 6 hours Calculate correct to 3 significant figures, the average speed of the aeroplane If it then flies due north from town B to town C 420km away.calculate to the nearest degree the ...

**math**

Two boys weighing 60 pounds and 80 pounds balance a seesaw. How many feet from the fulcrum must the heavier boy sit if the lighter boy is 8 feet from the fulcrum? thank you!!

**MATH**

A prism has a cross section that is a right angled triangle.its volume is 60 cm^3.What could the dimensions of prism be?

**math**

If a car travel 204km in 9/4hours how far it go in 1 hours

**math**

An apartment building has 15 apartments in it. The tenant association is having a hard time collecting the fees from the tenants with an 0.6 probability of a tenant paying their fees. What is the probability of tenant association collecting fees from 11 out of the tenants ?

**math**

At a certain rate of simple interest, Rs.4050 amounts upto Rs.4526.50 in 2 years. At the same rate of simple interest, how much would 1 lakh amount in 3 years.

**math**

There are 30 head and 86 leg. How many cow and chicken are there???

**math**

David have RM 180 and Maria had RM 55. their aunt give them same amount of money. David have twice as much money as Maria. how much money did their aunt give?