# Math

## Recent Questions

**Math**

How do I put this into Vertex form? y=6x^2+7x+5

**Math**

In the figure to the right, ABCD is rectangle. Find the area of △ABC, if the area of △AOD is 10.

**Math**

In the figure to the right, ABCD is rectangle. Find the area of △ABC, if the area of △AOD is 10. It is a rectangle with a x in the middle.

**Math**

In the figure to the right, ABCD is rectangle. Find the area of △ABC, if the area of △AOD is 10.

**Math**

According to the rational root theorem, which is not a possible rational root of x3 + 8x2 x 6 = 0? 4 2 <-- or 1? 5 1 What os 3x^4+2x^3-5x^2-4 divided by x+2 3x^3-4x^2+3x-6+8/x+2 <--? 3x^3-4x^2+3x-6+8/x-2 factor x^3+2x^2-9x-18 given that -2 is a zero (x+2)(x-sqrt3)(x+...

**Math**

According to the rational root theorem, which is not a possible rational root of x3 + 8x2 x 6 = 0? 4 2 <-- or 1? 5 1 What os 3x^4+2x^3-5x^2-4 divided by x+2 3x^3-4x^2+3x-6+8/x+2 <--? 3x^3-4x^2+3x-6+8/x-2 factor x^3+2x^2-9x-18 given that -2 is a zero (x+2)(x-sqrt3)(x+...

**Math**

Which type of graph would you use to display the data for each of the following purposes: a. To predict the world's population growth in the future b. To compare the percent of Canada's population with each blood type c. To look for a relationship between the number of hours ...

**math**

If x is to y as 4 is to 5, then what is y:x?

**math**

Find the arithmetic sequence whose fifth term = 21, and the tenth term = 3 times the second term

**Math**

Triangle ABC is a right angled at A. AD is perpendicular to BC,AB=5cm,BC=13cm andAC=12cm. Find the area of triangle ABC.also find the length of AD

**Math**

How many rectangles can be drawn with 38 cm as perimeter? Also, find the dimensions of the rectangle whose area will be maximum.

**math**

What is the cost of fencing a circular garden of radius 35m with four rounds of wire if the wire costs Rs.44 per metre

**math**

What is the smallest distance between the origin and a point on the graph of $y=(x^2-3)/(sqrt{2})

**math**

A cylinder tank has a capacity of 3080cm cube. If its depth is 20cm, find its diameter.

**math**

The parallel sides of a trapezium are 65 m and 40m. non parallel sides are 39m and 56m. find the area of the trapezium.

**Math**

A baseball diamond has the shape of a square with sides 90ft long. A player 60ft from second base is running towards third base at a speed of 28ft/min. At what rate is the player’s distance from the home plate changing?

**math**

A ladder 20 m long touches a wall at the height of 10m find the angle made by the ladder with the horizontal?

**Math**

A Gallup poll asked two questions: 1. Do you favor a tax cut or “increased spending on other government programs”? Result: 75% favored a tax cut. 2. Do you favor a tax cut or “spending to fund new retirement savings accounts, as well as increased spending on education, ...

**math**

Assuming the earth to be a sphere of radius 6370km if seventy five percent of the earth's surface is covered by water then find how many square kilometres is area of the land

**MATH**

A lattice point is a point with integer coordinates. How many lattice points $(x,y)$ with $-100\le x\le 100$ and $-100\le y\le 100$ are on the graph of the parametric equations \begin{align*} x&=30-40\cos t,\\ y&=-50 + 30\cos t? \end{align*}

**Math/Calculus**

Use the Shell Method to calculate the volume of rotation, V, about the x-axis for the region underneath the graph of y=(x-2)^(1/3)-2 where 10 less than or equal to x which is less than or equal to 218.

**math**

If p varies as the cube of and q varies directly as the the square of r what is the relationship between paund r

**Math**

Match the equation with its graph: 5/8x - 1/3y = 1/8

**math**

a non interest bearing note of 1000 dated january 1, 2010 for 8 months was discounted at a dicounting rate of 10% after 2 months, how much cash is received

**Math**

y multiplied by the product of 8 and x

**Physics**

a 24kg metal ring with 24cm diameter rolls without stopping down a 30 degree incline from a height of 3.4 m 1) according to the law of conservation of energy what should be the linear speed of the ring at the bottom of the ramp (I'm guessing that i solve for Vfrictionless, ...

**Math 253 algebra**

Ann takes 2 hours to wash her car. When her sister helps her, the job takes 5/4 hours. How long does it take Ann's sister to wash the car by herself. ( Note:I created a table and gave ann a 1/2 fraction and her sister a x/1 fraction but got lost from their.)

**Math**

Ross needs to paint the white boundary lines of one end zone on a football feild. The area of the end zone is 4,800 square feet, and on one side of the end zone measures 30 feet. One can of paint is enough to paint 300 feet of line. Help Ross find out if one can is enough to ...

**Math Written Assignment**

He has decided to remove all the old sod (grass), bring in a new 4 inch layer of topsoil, install new in-ground sprinklers, and reseed the lawn. He seems to think that he'll be able to save money by hauling loads of topsoil from the store himself in his pickup truck, rather ...

**Math**

The population in a 55 square mile city, City A, is 44,000. A neighboring city, City B, measures 65 square miles and has 48,750 citizens. Determine which city has a greater population density and by what percentage its population density is greater than the other city's. I don...

**math**

the minute hand of a clock is 6cm long how far does the end of the hand travel in 35 minutes

**math**

four pencils are held together in a square by an elastic band if the pencils are of diameter 7mm what is the length of the band in this position

**math**

at the concert, seated tickets cost M and standing tickets cost N. The seated tickets are three times the price of a standing ticket. If 200 seating tickets are sold and 100 standing tickets and the total receipts from the concert is $2100, find the price of seated ticket.

**math**

The are 99 dogs. 49 bark consistently while 69 whines. 29 dogs both whine and bark. How many of the dogs neither whine nor bark?

**math**

1.what number is 3 tens more than product of 4 tens and 2 ones? 2.what number is 40 less than the product of 6 ones and 3 tens?

**math**

Results for 'The parallel sides of trapezium are 32 cm and 20 cm its non paraller sides are equal each being 10 cm find the are of trapizum

**math**

AB is a chord of a circle with center O, C is the midpoint of the chord AB, extend OC to the point D on the circle. If OC=CD, what is the measure of angle AOB? 90 100 120 60

**math**

points] Two alloys A1 and A2 are composed of two basic elements. The ratios of the compositions of the two basic elements in A1 and A2 are 5 : 3 and 1 : 2, respectively. A new alloy is formed by mixing the two alloys A1 and A2 in the ratio 4 : 3. What is the ratio of the compo...

**math**

think of a number. Triple it. Add 100. double the result. Add 100. divide the result by 4. subtract one a half time the original number. What is the result?

**math**

If x : y = a : b, prove that x : y : (x + y) = a : b : (a + b)

**math**

The ratio of marks obtained by Ashpreet and Bhupinder on an exam is 6 : 5. If the combined average of their percentage scores is 68.75%, and the sum of their marks is 275, what was the exam out of?

**math**

You bought two varieties of rice, costing 5 cents per ounce and 6 cents per ounce each, and mixed them in some ratio. You then sold the mixture at 7 cents per ounce, making a profit of 20 percent. What was the ratio of the mixture?

**math**

The ratio of Jim’s money to Peter’s money was 4 : 7 at first. After Jim spent half of his money and Peter spent $60, Peter had twice as much money as Jim. How much money did Jim have at first?

**math**

(b) If I give you $40 then the ratio of my money to yours is 4 : 5. On the other hand, if you give me $40, then the ratio is 8 : 1. How much money do both of us have?

**math**

I am a secret number with 4 in the ones place a 6 in the tenths place . Who am I ?

**math**

(a) Mr. Smith divides a sum of money between his three children Alex, Billy and Charlie in the ratio 3 : 2 : 7. If Charlie received $120 more than Alex, how much money did Billy receive?

**math**

2. Write the decimal 0.063 as a percent. a) 0.63% b) 6.3% <-------------- c) 63% d)630% 3. A survey at your school found that 792 in 1,220 students have a cell phone. What percent of the students in school has a cell phone? Round to the nearest hundredth where necessary. a...

**math**

Peter played his favorite video game for 10 hours last week. Today, Peter's parents restricted him to 5 additional hours each week for the next 8 weeks. Create the function, f(x), that models Peter's total video game time? Is it f(x)=5x + 10 or f(x)=5x + 8 or f(x)=5x. Those ...

**math**

To make green paint, Tyler mixes 14 ounces of yellow paint with 10 ounces of blue paint.How many ounces of yellow paint are there per ounce of blue paint?

**Math- Formulas**

What are some formulas that you use in everyday life and how do you use them? I already wrote about volume but I need some other ideas.

**Math**

The Mall: My sister likes to go shopping. Yesterday she borrowed a wad of money from Mom and went to the mall. She began her excursion by spending $18 on a new CD. Then she spent half her remaining money on a new dress. Then she spent $11 on lunch. Then she spent one-third of ...

**Math**

I need to describe a situation that's linear and nonlinear, but I'm not sure how. Can someone explain, or give an example?

**Math**

What criterias do two graphs have to meet in order to be isomorphic? I know they must have the same number of vertices and edges. Do they both have to be bipartite/non-bipartite?

**Math**

In Portland, the tax on a property assessed at $590,000 is $6,490. If tax rates are proportional in this city, how much would the tax be on a property assessed at $710,000?

**math**

A cab company charges $2 per cab ride, plus an additional $2 per mile driven. If a cab ride is 7 miles long, how much will it cost?

**Math**

If Leah walks 5 miles in 60 minutes, then Leah will walk how far in 110 minutes if she walks at the same speed the whole time? If necessary, round your answer to the nearest tenth of a mile.

**Struggling on math please help :(**

What is a positive coterminal angle to 47° that is between 500° and 1000° and a negative coterminal angle to 47° that is between −500° and 0°? I don't really understand how to do this >.<

**Math help plz?!!**

Enter the value of arcsin(0.89) as a decimal to the nearest hundredth of a degree in the box. The answer I got was 1.097º

**Math! Help Hurry!**

Two vertices of a right triangle have the coordinates (−2, 5) and (9, 5) . What is the length of the side formed by these vertices?

**Math**

Alberto is painting a large triangle on one wall of his bedroom the base of the triangle is 4ft and height is 8ft it takes 0.2 quart of paint to cover 1 square foot

**Math**

Find the interest for a loan of $1000 at a rate of 15% for a period of 4 years.

**math**

A flower displays contains tulips, roses, and carnations. For every 10 tulips, there are 4 roses and 6 carnation. The display contains 100 flowers. How many of the flowers are tulips?

**Math**

Find the dimensions of a right triangle that maximizes the area when the perimeter is 10 cm

**Math - Linear Approximation**

I have a follow-up question from a problem I posted earlier: Approximate sin(61π/360): So, sin(60π/360 + π/360) = sin(π/6 + (π/360)) Now the equation for linear approximation is f(x+a)=f(a)+f'(a)(x-a). To get the right answer, that means plugging in the numbers like this...

**Math(precalc)**

I'm not sure how to start this problem I'm able to get it to (4x-3)log(4)=(9x-6)log(3). Not sure how to continue. Original question 4^(4x-3)=3^(9x-6)

**Math**

A bus driver filled up 7/8 of her fuel a tank for a trip. She used 6/7 of the fuel by the end of the trip. The capacity of her tank is 70 gallons. How much fuel did she use for the trip?

**math**

A square patio rug has side lengths of 1/3(x+2) inches a. Write a linear expression involving the perimeter of the square, P in terms of x. b. Solve for x in terms of P.

**math**

1. A formula for converting degrees Fahrenheit F, to degrees Celsius, C, is C = 5/9(F - 32) Express F in terms of C If normal human body temperature is 37C what is this temperature in degrees Fahrenheit? <--- is it 98.6F

**math**

a football match was played for two hours. a man arrives late for the match. what is the probability that he misses the only goal of the match which is scored at 30th minute of the match?

**Math**

Rosa poured 1 3/4 of orange juice into a container. She added 3 1/3 quarts of apple juice. She then poured 2 2/3 quarts of the mixed juice into a pitcher. How many quarts of mixed juice were left in the container?

**Math**

Mode is 126 a d range is 26 what is two possible answers for three baseball card collections

**Math**

Tina uses 4 5/12yards of wire for her sience project. Kelvin uses 1 2/3 yards of wire for his project. How many yards of wire do they use altogether?

**Math, Pre-calculas**

From each corner of a square piece of cardboard, a square with sides of 3cm is removed. The edges are then up to form an open box. If the box is to hold 243cm^3, what are the dimensions of the original piece of cardboard?

**Math - Linear Approximation**

a) Find a linear approximation of y=sinx at x=pi/6 b) use part (a) to approximate sin(61pi/360) and sin(59pi/360) I just really have no idea how to approach this problem. I know the formula is y=f(a)+f'(a)(x-a). Does that mean it would be (sin(pi/6))+(0)((pi/6)-(sin(pi/6))? ...

**Math**

Determine whether the number is rational, irrational, or not a real number. 1. 3.316624. . . 2. 3.16227. . . 3. 0 4. square root of 14 5. square root of 10/3 6. -4 7. square root of 9/16 8. 3/0 9. 6.283185. . . 10. 8.432467. . . 11. 0.25

**math**

A shirt is on sale for 30% off. The sale price is $51.50. What was the original price?

**Math**

To find the difference of 7 - 3 5/12 how do you rename the 7?

**Math Trig**

A ladder 15 m long can so be placed that it will reach a point on a wall 10 m above the ground. By tipping it back without moving its feet, it can be made to reach a point on another wall 8 m above the ground. What is the horizontal distance between the walls?

**Math check**

What is 6 5/6 - 5 1/2 This is my answer:1 2/6 or simple form: 1 1/6

**Math**

Tanø(secø+2)

**Math**

What criterias do two graphs have to meet in order to be isomorphic? I know they must have the same number of vertices and edges. Do they both have to be bipartite/non-bipartite?

**math**

Claire jogs around an oval track and is able to complete one lap in 5 minutes. If she jogs at the same pace for 42 minutes, how many laps would she be able to jog? Write an inequality and find the number of whole laps Claire completes.

**Algebra, Math**

A chemist has a bottle of a 10% acid solution and a bottle of a 30% acid solution. He mixes the solutions together to get 500 mL of a 25% acid solution. How much of the 30% solution did he use?

**Math**

If I spend one-third of my money on ice-cream, and half of it on a book, what fraction is left?

**Math**

Megan and her 5 friends share 2 pizzas equally. How much of one pizza does each person get ?

**math**

a backpack is discounted 10% on sale for $37.80

**math**

I was just wondering, what is the difference between an arithmetic sequence and a geometric sequence?

**Urgent math question help!!!**

Drag and drop the correct justifications into the boxes. 4(x−2)+1=9 : subtraction property of equality 4x−8+1=9 :combine like terms 4x−7=9 : distributive property 4x = 16 : associative property of equality x = 4 : division property of equality

**Check my answer? Math(:**

Solve for x. 4(12)4x=1000 Enter your answer to the nearest hundredth in the box. x ≈ 1.9

**math help plz?!**

A town received a large amount of rainfall. Which units would be most appropriate to describe the rainfall in the town? Select each correct answer. in/h << my choice g/cm cm/h g/mm << my choice

**math**

Mona is skating at a speed of 300 feet per minute. Lina is 1000 feet behind her. What should be her speed if she wants to catch up with Mona in 10 minutes?

**math**

when rounded to the nearest ten I am 350 what am i

**MATH**

se a graphing calculator or Excel to find the solution of the system of equations. (If the system is dependent, enter DEPENDENT. If there is no solution, enter NO SOLUTION.) 5x + 3y = 2 3x + 7y = −4

**comsumer math**

9. Your fixed expenses are $1,151.65/month. You saved 4 months' worth in an emergency fund, investing 25% in a savings account at a 3.3% APR and the rest in a 60day CD at a 4.3% APR. How much total interest accrues over 60 days? (1 point) $ 10. What is the difference in the ...

**math**

The center of a circle is located at (–5, 2) and a point on the circle is located at (5, -22). Which other points are also on the circle? (-29, -8) (-31, 5) (5, 26) (19, 12) (19, -6) So the answers i got that work is 1.(-31,5) 2.(-29,-8) 3.(19,12) That is what i got and i ...

**math**

how long will it take of a sum of money invested at 80% simple interest the original sum. then solve it.

**math**

a printer prints 17 pages is 6 minutes. how many minutes per page

**math**

arrange the following fractions starting with lowest 1.2/4,3/9,3/15,25/100 2.5/15,2/8,3/6 3.2/10,4/12,4/20 4.4/16,20/100 5.4/8,3/12,5/10,6/18 6.2/5,6/10,13/20,31/50 7.11/25,1/4,3/50

**Math**

The volume of this cube is 343 cubic yards. What is the value of t?

**Math**

The average maximum temperature in January for Killeen, Texas is 59º F. The average maximum temperature in January for Buffalo, New York is 27º F. This January, Killeen’s average maximum temperature was five degrees below normal, and Buffalo’s average maximum temperature...