Wednesday

December 2, 2015
**Math**

I am the product of 135 and decreased by 500. who am I?
*Wednesday, November 25, 2015 by marcus*

**math**

Air is pumped into a spherical balloon at the rate of 20cm^3/s^-1.find the rate of change of radius of the balloon when the radius is 6cm
*Wednesday, November 25, 2015 by charles*

**math**

Jade's age now is the same as Timmy's five years hence. Timmy's age six years ago was half Jade's age now. Find the present age of each.
*Wednesday, November 25, 2015 by Nyx*

**math**

seven years ago, Mary was 6 times as old as Cora, In 1 year, she will be only twice as old as Cora. Find their present ages
*Wednesday, November 25, 2015 by Nyx*

**math**

A company produces x units of output at a total cost of 1/3 x^3 – 18x^2 + 160x. Output at which average cost is equal to marginal cost is:
*Wednesday, November 25, 2015 by honey*

**math**

15/box is a fraction that lies between 1/7 and 1/8. what is the missing whole number in the box?
*Wednesday, November 25, 2015 by kima*

**math**

The marginal cost of production (in Rs) is 3 + x/3000 + e^(-0.03x), where x denotes the number of units. The cost of producing 100th unit is:
*Wednesday, November 25, 2015 by asad*

**math**

An airplane can fly 625 miles with the wind in the same amount of time as it can fly 425 miles against the wind. If the wind speed is 50 mph, find the speed of the plane in still air. (Round your answer to the nearest whole number.)
*Tuesday, November 24, 2015 by jacob*

**Math**

Please help me!!! The table below represents the velocity of a car as a function of time: time Velocity seconds (m/s) x f (x) 15 45 22 66 29 87 36 108 The average rate of change of the function between x = 15 to x = 29 is __________m/s2 and represents the car's acceleration
*Tuesday, November 24, 2015 by Harper*

**math**

what is 3 degrees colder than -2
*Tuesday, November 24, 2015 by Anonymous*

**MATH HELP**

If the pattern rule is x2 +6, imagine what the trend line for this pattern would look like (on a graph of course). What pattern rule would have a trend line at the same vertical intercept (y-intercept) but has a different steepness? Explain your thinking. PLEASE HELP ME.
*Tuesday, November 24, 2015 by TOO FABULOUS FOR YOU*

**math**

Why would you make one of the addend a ten number when solving an addition problem
*Tuesday, November 24, 2015 by jayden*

**math**

Determine whether the sequence is a Fibonacci-type sequence. If it is, determine the next two terms of the sequence. -4, 5, 1, -3, -2
*Tuesday, November 24, 2015 by crystal*

**MATH HELP**

1. Which ratios form a proportion? Use equivalent ratios to test each pair. A. 4/9, 2/3 B. 6/15, 9/12 C. 12/16, 15/20 D. 18/ 20, 24/30 2. Which ratio forms a proportion with 20/30? Use equivalent ratios to test each ratio. A. 16/24 B. 10/20 C. 17/51 D. 16/60 3. Which ratios ...
*Tuesday, November 24, 2015 by goldensparklegirl222*

**Math**

Evalute "the length of a ractangle is twice its width. The perimeter of the ractangle is 126.
*Tuesday, November 24, 2015 by Helman*

**Math**

Which set represents the range of the function shown? {(8, 2), (6, 5), (4, 7), (11, −2)} A.{-2,2,5,7} B.{4,6,8,11} C.{(2,8),(5,6),(7,4),(-2,11)} D.{-2,2,4,5,6,7,8,11}
*Tuesday, November 24, 2015 by June*

**math**

A picture is 17 inches long and 13 inches wide. It is 2-inch wide frame. What is the area of the frame?
*Tuesday, November 24, 2015 by Celeste Gordon *

**math**

14 different airlines.Each airline schedules 45 departing flight each day.How many flights depart from the airport in one day
*Tuesday, November 24, 2015 by Kailua panel *

**math**

Can I get one dice
*Tuesday, November 24, 2015 by Yenifer *

**Math**

An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount a spent on advertising (in dollars) by the following formula: N = 1,600 + 300 ln a (a ≥ 1). How much needs to be spent (to the nearest hundred dollars) to sell 4...
*Tuesday, November 24, 2015 by Melissa*

**Math **

343 502 in scientific notation
*Tuesday, November 24, 2015 by Aleo*

**math**

Given that f(x) = 2x − 5, find the value of x that makes f(x) = 15 A.5 B.10 C.20 D.25
*Tuesday, November 24, 2015 by June*

**math**

Michael estimated his mass as 8 kilograms. Is his estimate reasonable? Justify your answer. Please help me thanks.
*Tuesday, November 24, 2015 by Mandy*

**math**

The label on a can of lemonade gives the volume as 12 fl oz, or 355 mL. Verify that these two measurements are nearly equivalent. Please help me with this question.
*Tuesday, November 24, 2015 by Mandy*

**math**

If x, (3x+5) and (7x+4) form the first three terms of an A.P, 1.Find X 2. Find the 9th term
*Tuesday, November 24, 2015 by Prof*

**Math**

How do I determine which of theses triangles are right triangles or not? I am given a table with: Traingle | Side 1| Side 2| Side 3| Q |6 6 30 R |6 4 10 S |5 4 41 T |5 4 3 I Know the equation a^2+b^2=c^2, and have applied it to this, but cannot get an answer…Help me please.
*Tuesday, November 24, 2015 by Not Telling*

**Math**

Substitute numbers for the letters to make the equation true. Same letter has the same number. Different letters have different numbers. x + x + y = 20 y + a - y = 9 y + x = 13
*Tuesday, November 24, 2015 by Rosie*

**Math**

Liwanag sold 37 tickets to Manila Zoo. Adult tickets cost Php 3.50 and child tickets cost Php 1.25. She collected 73.25 from the sales of the tickets. How many of each kind were sold?
*Tuesday, November 24, 2015 by Rosie*

**Math**

Y=5sin(3.14(x-3.14/4))
*Tuesday, November 24, 2015 by Noah*

**Math**

Six years ago, Jim was four times as old as Fe. In four years, he would be twice as old as Fe. How old are they now?
*Tuesday, November 24, 2015 by Rosie*

**MATH HELP PLZ MS> SUE OR SOME ONE!!!!**

1. Garret is 64 inches tall. How many centimeters tall is he? Round your answer to the nearest tenth of a centimeter. 1 in. = 2.54 cm A. 25. 2 cm B. 162.6 cm C. 156.8 cm D. 86.4 cm 2. A jug of milk holds 4 quarts. How many liter of milk does the jug hold? Round your answer to ...
*Tuesday, November 24, 2015 by goldensparklegirl222*

**Math**

Subtract six and one-half minus four and seven-tenths. Justify your steps.
*Tuesday, November 24, 2015 by Noemie*

**Math**

What is 3x+3x=
*Tuesday, November 24, 2015 by Robel*

**math**

The marginal cost of production (in Rs) is 3+x/3000+e^-0.003x,where x denotes the number of units. The cost of producing 100th unit is:
*Tuesday, November 24, 2015 by asad*

**math**

The marginal cost of production (in Rs.) is x .e x 03 0 3000 3 , where x denotes the number of units. The cost of producing 100th unit is:
*Tuesday, November 24, 2015 by asad*

**math**

4. Which equation represents a proportional relationship? a) y=1/2x b) y=2x-2 c) y=x+1 d) y=3x+3 5. Which points are part of the graph for the previous question's equation showing a proportional relationship? this is a select all that apply a= (0,0) b= (2,1) c= (1,2) d= (1...
*Tuesday, November 24, 2015 by Abby*

**math**

the angles of elevation of the top of a house from the bottom of a tower 160m high is 26° from the top of a tower the angle of elevation is 24°. what is the height of the house if the tower and the house are 50m apart?
*Tuesday, November 24, 2015 by Anonymous*

**math**

the angles of elevation of the top of a house from the bottom of a tower 160m high is 26° from the top of a tower the angle of elevation is 24°. what is the height of the house if the tower and the house are 50m apart?
*Tuesday, November 24, 2015 by lawal Idris*

**math**

the number of pat's roses to the total number of pat's flowers. a)76:31 b)76:107 c)31:107 d)31:76
*Tuesday, November 24, 2015 by may*

**Math algebra**

The radiator in a car is filled with a solution of 60% antifreeze and 40% water. The manufacturer of the the antifreeze suggests that, for summer diving, optimal cooling of the engine is obtained with only 50% antifreeze. If the capacity of the radiator is 3.6 liters, how much...
*Tuesday, November 24, 2015 by Shane*

**Math**

The radiator in a car is filled with a solution of 60% antifreeze and 40% water. The manufacturer of the the antifreeze suggests that, for summer diving, optimal cooling of the engine is obtained with only 50% antifreeze. If the capacity of the radiator is 3.6 liters, how much...
*Tuesday, November 24, 2015 by Shane*

**Math**

Two cars leave the same town and travel in opposite directions. At the end of 8 hours, the cars are 896 miles apart. Find the rate of each car if the rate of one car is 4 mi/hr more than the rate of the other.
*Tuesday, November 24, 2015 by Shane*

**Math**

Gab and Van can mow the lawn in 40 minutes if they work together. If Gab works twice as fast as Van, how long does it take Gab to mow the lawn alone ?
*Tuesday, November 24, 2015 by Shane*

**Math**

A fraction has a value 2/3. If 4 is added to the numerator and the denominator is decreased by 2, the resulting fractions have the value 6/7. What is the original fraction? (Let x be the numerator and y be the denominator)
*Tuesday, November 24, 2015 by Lex*

**Math,Mensuration**

A cylindrical container closed at both ends,has a radius of 3.5cm and a height of 8cm.calculate the total surface area of the container and volume of the container
*Tuesday, November 24, 2015 by Moses*

**math**

The perimeter of the rectangle is 56m the width is 4m less than the length. Find the length and the width of the triangle.
*Tuesday, November 24, 2015 by anna*

**math**

the base of an isosceles triangle is half as long as side of a square.Each of the legs of triangle is twice as long as a side of the square.How long is each side of the triangle if the sum of the perimeters is 34 m.
*Tuesday, November 24, 2015 by patrick*

**math**

Dear sirs could please do it step by step(clarify) The derivative of x^x^x^x^x^x^x^x... as the power increases to infinitive
*Tuesday, November 24, 2015 by YAEKOB*

**Math**

What is the next two numbers in 8, -24, 72, -216
*Tuesday, November 24, 2015 by Aren Cuellar*

**math**

A survey team is trying to estimate the height of a mountain above a level plain. From one point on the plain, they observe that the angle of elevation to the top of the mountain is 27∘. From a point 1000 feet closer to the mountain along the plain, they find that the ...
*Tuesday, November 24, 2015 by Anonymous*

**math**

It took 1 1/3 cans of paint to paint 2/5 of a room. At that rate, how many cans of paint will it take to paint the whole room?
*Tuesday, November 24, 2015 by Shortie*

**math (check answers)**

Evaluate the expressions when x = 1/2 and y = -3. 1. -4xy -4 * .5 * -3 = 6 2. 6x - 3y 6(.5) - 3(-3) 3. -5y + 8x + 1 -5(-3) + 8(.5) + 1 = 20 4. -x^2 - y + 2 -0.5^2 - (-3) + 2 = 4.75 5. 2x + 4 (x + .5) + 7 2(.5) + 4 (-3 + .5) + 7 = -2 6. 2(4x - 1)^2 - 3 2(4(.5) - 1)^2 - 3 = -1
*Tuesday, November 24, 2015 by teaopi*

**math**

Calculate the standard deviation of the data shown, to two decimal places x 14 3.1 9.1 18.4 28 25.8 8 16.2
*Monday, November 23, 2015 by vicke*

**math**

Find the first order partial derivatives. z=ln(xy-sqrt(x^2-y^2)
*Monday, November 23, 2015 by jay*

**math**

six years ago, jim was four times as old as Fe. In four years, he would be twice as old as fe.How old are they now?
*Monday, November 23, 2015 by peter*

**math**

If a recipe calls for 2/3 cups of sugar and I only want 1/3 of the recipe; how much sugar will I use?
*Monday, November 23, 2015 by Shortie*

**Math**

From 102nd floorˏ an observer spot his car at an angle depression of 5 degree.If the observer is 1250 feet high; how far is his car from him?
*Monday, November 23, 2015 by Laila*

**finite math**

what happens to the value of y as the value of x changes
*Monday, November 23, 2015 by Anonymous*

**math**

Using taylor series solve lim x→0 ((sin^-1 6x)-(sin 6x))/((tan^-1)(6x)-(tan 6x) I dont know how to start this problem
*Monday, November 23, 2015 by johnson*

**math**

write 2.18 as a mixed number in simplest form
*Monday, November 23, 2015 by john*

**Math**

If the number in the numerator of a unit rate is 1, what does this indicate about the equivalent unit rates? give an example
*Monday, November 23, 2015 by Wendy*

**Math(Algebra)**

Janine has started an exercise program. As part of her exercise program, she will walk along trails. Janine walks at an average speed of 1 mile in 15 minutes. What is Janine’s average speed in miles per hour? Show or explain how you got your answer. Janine plans to walk ...
*Monday, November 23, 2015 by Hadlee*

**TECH MATH**

A factory creates wooden beads used for various arts and crafts projects. One particular type of bead is in the shape of a cube. Each side of the bead is 0.25 inches long. A cylindrical hole with diameter of 0.12 inches is cut through the bead so that string can be threaded ...
*Monday, November 23, 2015 by WILL*

**math**

if I walk 2.5 miles in 1.25 hours, how long does it take to walk .5 miles?
*Monday, November 23, 2015 by joe*

**math**

Solv 9logexponent 12,base 3
*Monday, November 23, 2015 by debiru*

**MATH **

6. It takes Pam 45 minutes to drive to work and 60 minutes to drive home from work. Write the ratio of the time Pam spends driving home from work to the time she spends driving to work in three different ways. 7. Ben needs to buy orange juice. He can buy 64 fl oz. at the ...
*Monday, November 23, 2015 by goldensparklegirl222*

**Math**

Wendell is making punch for a party. the recipe he is using says to mix 4 cups pineapple juice, 8 cups orange juice, and 12 cups lemon-lime soda in order to make 18 servings of punch. a. How many cups of punch does the recipe make? b. if Wendell makes 108 cups of punch, how ...
*Monday, November 23, 2015 by Wendy*

**Math**

Solve the problem! A recipe calls for 2/3 cup of sugar. You want to make 1/3 of the recipe. How much sugar should you use?
*Monday, November 23, 2015 by Shortie*

**Math**

Use the diagram to show that x square- 2xr+w square =0 (use diagram, and Pythagorean theorem to get this equation)
*Monday, November 23, 2015 by Patrisia*

**math**

I need to predict a certain number of pens in the bag how do i do this You have a bag of 100 pens you choose 7 green pens and 13 purple pens predict the number of purple pens in the bag.
*Monday, November 23, 2015 by stephanie *

**Math**

I have two more questions :)) If 1/3 is equivalent to 33 1/3%, what percent is equivalent to 2/3? A: 33 2/3% B: 150% C: 66 2/3%**** D: 65% Which proportion can be used to solve the following percent problem? What is 50% of 70? I came up with x/50 = 70/100
*Monday, November 23, 2015 by Cami*

**Math**

If the point (-6,0), in what quadrant is it located in? In my opinion it is not located in any quadrant since of it's y coordinate. Am I Correct?
*Monday, November 23, 2015 by John Doswell*

**Math**

She has one board that is 3m7cm long and another board that is 3m 91cm find the total length of he two boards in meters
*Monday, November 23, 2015 by Leah*

**math plz plz plz plz help plz .....thank you**

mark bought a notebook for $1.45 and some pencils that cost $0.42 each if the total cost was 6.91,how many pencils did he buy A.12 B.13 C.14 D.15 is 14 the answer plz help thank you
*Monday, November 23, 2015 by random rainbow*

**Math**

The average of a group of seven test scores is 80. If the lowest and highest scores are thrown out the average of the remaining scores is 78. What is the average of the lowest and highest scores?
*Monday, November 23, 2015 by Ryan*

**Math**

So I have some math questions I'd like for some one to check :) 1. Rename 4/7 as a percent. Round to the nearest tenth of a percent if necessary. A. 47% B. 1.8% C. 57.1% D. 28% 2. Rename .709 as a percent. A. 709% B. 70.9% C. 79% D. 7.09% 3. Alice plays basketball. In one ...
*Monday, November 23, 2015 by Cami*

**math**

3. the ratio of dollars earned to hours worked is 18/2 . which of the following ratios is the proportional to this? a=48/6 b=24/4 c=54/6 d=3/27 please help I think it b could someone please give me the right answer if tis is worng
*Monday, November 23, 2015 by Abby*

**Math Ms. Sue**

A carpenter is cutting towels from a piece of wood that is 10 inches long. How many half inch dowels can the carpenter cut? Please help me figure out how to solve this.
*Monday, November 23, 2015 by Patrick*

**Math**

Paulina works out with a 2.5 kilogram mass. What is the mass of the 2.5 kilogram mass in grams? Please help to be able to figure out the answer.
*Monday, November 23, 2015 by Patrick*

**math**

By selling at Rs 77, some 2 1/4% shares of face-value Rs 100 and investing the proceeds in 6% shares of face value Rs 100, selling at Rs 110 a person increased his income by Rs 117 per annum. How many shares did he sell? Two pipes running together can fill a cistern in 11 1/9 ...
*Monday, November 23, 2015 by jyoti*

**math**

What is the expected value of the cost of of claims on a males drivers policy? Note: number of drivers is 9634 number of claims is 977 and the average cost per claim is 6108 euro
*Monday, November 23, 2015 by Jack *

**Math**

How do peoples brains rot
*Monday, November 23, 2015 by Diamond*

**Math**

A ladder of mass M and length L leans against a wall as shown. There is no friction with the wall but there is friction with the ground. What is the maximum distance along the ladder that someone with mass m can climb without the ladder slipping?
*Monday, November 23, 2015 by Jacob*

**math**

A mix for eight servings requires 2 2/3 cups of water. If i want to make 11 servings how much water do i need? How about 6 servings?
*Monday, November 23, 2015 by ashley*

**Math**

Which two square roots are used to estimate 42. A. 25 and 36*** B. 36 and 49 C. 49 and 64 D. 25 and 64
*Monday, November 23, 2015 by Hey.*

**math**

5 ÷ 5⁄7
*Monday, November 23, 2015 by Anonymous*

**math**

There was a pizza parlor that offered six meat toppings and three cheese toppings. How many different combinations can be made if two meat toppings and one cheese toppings are selected?
*Monday, November 23, 2015 by Anonymous*

**math**

a customer went to a garden shop and bought some potting soil for 17.50 and shrubs. if the total bill was $71.00, how much did each shurb cost if they all cost the same? write and solve an equation. show your work
*Monday, November 23, 2015 by jessica*

**Math**

A mother bought 10 2/3 m of white cloth and 12 1/2 m of blue cloth. she used 3/4 of the blue cloth for skirts and 4/5 of the white cloth for blouses.how many meters of cloth remained?
*Monday, November 23, 2015 by Shiela*

**Math**

The boy scouts covered a distance of 3 1/4 km during the first hour of their hike.at this rate, how far would they go in 2 3/4 hours?
*Monday, November 23, 2015 by Shiela*

**math**

One 15 pound bag of lawn fertilizer covers 350 square feet. Garden Depot sells full bags of fertilizer for $7.89. What will the cost of enough fertilizer to cover a 42 foot by 80 foot lawn?
*Monday, November 23, 2015 by Jesse*

**math**

in how many years will a sum be three-fourth of its amount at the rate of interest 8*1/3% per annum?
*Monday, November 23, 2015 by ASTHA143*

**math**

marsha is 10 years older than john, who is 16 years old ? how old is marsha?
*Monday, November 23, 2015 by ana*

**MATH**

When Nancy Repainted her house ,she bought 25 1/2 galloons of paints at 82pesos per galloon. what was the total cost of the purchased?
*Monday, November 23, 2015 by Maricel*

**Math**

A carpenter had a 20-foot piece of lumber from which he cut three pieces.one piece was 6 1/2 feet long and the other was 3 5/8 feet long. How long was the remaining piece?
*Monday, November 23, 2015 by Maricel*

**MATH**

There are 44 peoples in class 3/4 are girls a.how many girls in numbers? b.answer in friction?
*Monday, November 23, 2015 by M FIAZ*

**Bussiness Math**

Clarette purchased a 3 1/3 pound of sirloin steak at a butcher store. returning home, she cut out the bone and weighed it. if the weight of the meat was 2 7/8 pounds,what is the weight of the bone cut off?
*Monday, November 23, 2015 by Ritchie*

**math 1350**

If the following fractions are arranged from smallest to largest, then which fraction would be in the middle? Explain. Show all work using fractions(NOT DECIMALS). 2/3, 4/5, 3/7, 5/9, 3/4
*Monday, November 23, 2015 by Ne Ne*

**math**

Find two values defining tails of the normal distribution with an area of 0.05 each. Thank you so much for huge help:))
*Monday, November 23, 2015 by Lucas*

**math**

Arrange the following fraction to least to greatest.4/5,1/2,1/4.
*Monday, November 23, 2015 by ella*