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July 23, 2014

July 23, 2014

**Branches of Math**

**Recent Math Questions**

Post a New Question | Current Questions

**Math**

Use experimental probability to make a prediction. John made 35 free throws and missed 15. Predict the number of free throws he will make in the next 100 tries. A. 70 B. 85 C. 55 D. 45
*Friday, May 2, 2014 at 2:53am*

**Math**

500 pounds of apples were purchased at $0.35 per pound. The desired markup is 30% based on selling price, but 18% spoilage is expected. What should the selling price per pound be?
*Friday, May 2, 2014 at 1:36am*

**Math**

Find the percent markup based on selling price, if the percent markup based on the cost is 14%. (Round to the nearest tenth percent.)
*Friday, May 2, 2014 at 1:22am*

**Math**

Its much correct..gv i another 1
*Friday, May 2, 2014 at 12:15am*

**Math**

2(x-14)+3=7x+5 1xt open bracket=2x-28+3=7x+5 2nd 2x-25=7x+5 3rd 2x-7x=30 -5x=30 x=30/-5 x=-6
*Friday, May 2, 2014 at 12:07am*

**Math**

Can you please help me with this one!! Solve by elimination, 3x+6y=6, 2x-3y=9
*Thursday, May 1, 2014 at 11:53pm*

**Math**

Solve by elimination: 5x+7y=77 , 5x+3y=53 can you please help me out step by step so I can understand it on my own, thanks.
*Thursday, May 1, 2014 at 11:32pm*

**Fifth grade math**

Ellison's Jewlers displays charms for bracelets in trays that hold 36 charms each the store has 637 charms to put on display in 5 display cases. How many charms are left after the trays are filled ?
*Thursday, May 1, 2014 at 10:30pm*

**math**

You have a nickel, a dime, a quarter and a half dollar. A clerk shows you several items, each a different price, any one of which you could buy with your coins without receiving change. What is the largest number of articles he could have shown you? a. 8 b. 10 c. 13 d. 15 e. ...
*Thursday, May 1, 2014 at 10:20pm*

**math (check answer plz)**

Types........ Adults Children Total Chocolate Chip 5 10 Peanut Butter 8 6 Oatmeal 7 4 -------------------------------------------------------------------------------------------------------------------------------- What percentage of the children chose ...
*Thursday, May 1, 2014 at 10:08pm*

**math**

in lucys bead collection 75% of the beads where red 12% are blue the rest are green she has 104 green beads how many are blue beads
*Thursday, May 1, 2014 at 10:08pm*

**math (5)**

The monthly profit (in dollars) of Bond and Barker Department Store depends on the level of inventory x (in thousands of dollars) and the floor space y (in thousands of square feet) available for display of the merchandise, as given by the equation below. P(x, y) = -0.016x^2...
*Thursday, May 1, 2014 at 10:04pm*

**Math (6)**

The formula below gives the surface area S of a human body (in square meters) in terms of its weight W (in kilograms) and its height H (in centimeters). S = 0.007184(W^0.425)(H^0.725) Compute SW and SH when W = 100 kg and H = 180 cm. SW = ? SH = ? NOTE: I took the derivative ...
*Thursday, May 1, 2014 at 10:02pm*

**math**

A candy dealer makes up a mixture of 3 parts of candy costing him 60 cents a pound with 2 parts of candy costing him 70 cents a pound, and 2 parts of candy costing him 50 cents a pound.At what price per pound should he sell this mixture to make a profit of 25%? a. 60 cents b. ...
*Thursday, May 1, 2014 at 9:55pm*

**math**

If A=2/3B,B=2/3C,and C=2/3D,what part of D is B? a. 8/27 b. 4/9 c. 2/3 d. 75 e. 4/3 please answer and explain
*Thursday, May 1, 2014 at 9:37pm*

**math**

A line segment is drawn from (-8,-6)to (0,0).What are the coordinates of the midpoint? a. -16,-12 b. -8,0 c. 0,-3 d. -4,-3 e. -3,-4 please answer and explain
*Thursday, May 1, 2014 at 9:34pm*

**Math**

rewrite the following fractions as 1: 8/8, 8/9, 2/2, 4/5, 6/9
*Thursday, May 1, 2014 at 9:29pm*

**Math**

Your school is planning to put an aquarium with 30 fish in it in the main lobby. To accommodate this number of fish, the aquarium should be between 50 and 60 cubic feet of water. To help reduce costs, the surface area of the aquarium should be no more than 80 feet square. Do ...
*Thursday, May 1, 2014 at 9:23pm*

**math**

she made 3 frames for pictures that each have an area of 24 square inches and each have a perimeter of 20 inches. How many tiles did she use for all 3 frames?
*Thursday, May 1, 2014 at 8:36pm*

**math**

write a diameter if 8-pound test line in words and as a fracion
*Thursday, May 1, 2014 at 8:25pm*

**math**

You toss a coin 15 times. P(heads) 2/5 = a. experimental; the result is found by repeating an experiment. b. experimental; the result is based on the number of possible outcomes. c. theoretical; the result is found by repeating an experiment. d. theoretical; the result is ...
*Thursday, May 1, 2014 at 7:58pm*

**Math**

•Explain in your own words what the meaning of domain is. Also, explain why a denominator cannot be zero.
*Thursday, May 1, 2014 at 7:49pm*

**math**

Amy earned $93 at work yesterday. She gets paid $8 per hour, plus she received a $45 bonus. Write an equation that can be used to determine how many hours Amy worked.
*Thursday, May 1, 2014 at 7:42pm*

**math**

Use distributive property to write an expression equivalent to: 10 (5g + 8k)
*Thursday, May 1, 2014 at 7:12pm*

**math**

If the area of a circle is twice the area of a triangle whose base is 4 pi and whose altitude is 4, the radius of the circle equals a. square root 32 b. 2 c. 4 d. 8 e. 32 please answer and explain
*Thursday, May 1, 2014 at 6:35pm*

**math**

Evaluate: 2 to the fourth power + 2 to the third power
*Thursday, May 1, 2014 at 6:34pm*

**Math 208**

A clothing store offers a 20% discount on all purchases. What is the discount in dollars (before tax) for an item originally costing $16.00 dollars?
*Thursday, May 1, 2014 at 5:52pm*

**math**

It took Aaron 4 hours to drive 232 miles. Use the equation below to determine what his average rate of speed was. D = r x t D = distance, r = rate of speed, t = time
*Thursday, May 1, 2014 at 4:48pm*

**math**

There are 5 cars taking students to a museum.Each car can seat 4 students.How many students can go to the museum?
*Thursday, May 1, 2014 at 4:44pm*

**Math**

I need the lowest LCM of the number to the 2 number 30 and the number 57
*Thursday, May 1, 2014 at 4:27pm*

**Trig. Math**

A circle of radius 2 inscribed in a right triangle. Find the simplest expression possible for the triangle's area as a function of its hypotenuse.
*Thursday, May 1, 2014 at 3:57pm*

**math**

I need the LCM of numbers 2,30,57 please I am not understanding it very well
*Thursday, May 1, 2014 at 3:37pm*

**Math "Ms Sue"**

Carrie found the mean hourly wage of employees at his company using the data in the table. In a report he stated, " The typical salary at the company is about $23.00 per hour. How is this misleading?
*Thursday, May 1, 2014 at 3:21pm*

**Survey Math help**

A movie complex has eight different movie theaters. The manager of the complex wants to conduct a survey to determine which snacks to add to the menu. Which represents the best sample the manager could use for the survey? Would I do specific ages the first 100 randomly picked ...
*Thursday, May 1, 2014 at 2:44pm*

**math**

The sphere has surface area 2058 cm2. Its radius, to the nearest tenth, equals
*Thursday, May 1, 2014 at 2:36pm*

**HELP MATH 1 QUESTION!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!**

a number cube is rolled 120 times. the number 4 comes up 47 times. what is the experimental probability of rolling a 4 A) 47/120 ; 1/30 B) 47/120 ; 1/6 C) 4/47 ; 1/6 D) 1/6 ; 47/120
*Thursday, May 1, 2014 at 2:33pm*

**Data math help 7th**

Jeri asked 40 random students at his school to name their favorite ice cream flavor. Of the 40 students he asked, 25 of them preferred chocolate. Based on Barry's results, how many ff the 1200 students in the school most likely prefer chocolate ice cream?
*Thursday, May 1, 2014 at 2:30pm*

**HELP MATH ONLY 1 QUESTION!!!!!!!!!!!!!!!!!!!!!!!!!**

you draw five card from a standard deck of 52 cards p(heart)=4/5. what type of probability is illustrated and why?? 1) Theroretical ; the result is based on then number of possible outcomes 2) Theroretical; the result is found by repeating an experiment 3)Expiremental; the ...
*Thursday, May 1, 2014 at 2:26pm*

**math**

Kyle got in his car and started driving toward his grandmother's house. After driving for 1 hour and 47 minutes, Kyle took a break for 31 minutes to have a snack. Then Kyle drove 43 minutes and finally arrived at his grandmother's house at 4:12 P.M. What time did Kyle ...
*Thursday, May 1, 2014 at 2:19pm*

**Math**

9-7+14=18-b+9
*Thursday, May 1, 2014 at 2:11pm*

**MATH HELP ONLY 1 QUESTION!**

each letter on the english alphabet is written on a scrap of paper and put in a hat P(j) = 1/26 what type of probability is illustrated and why? 1) Theroretical ; the result is based on then number of possible outcomes 2) Theroretical; the result is found by repeating an ...
*Thursday, May 1, 2014 at 2:01pm*

**math**

how much lottery revenue has been allocated to education in nc
*Thursday, May 1, 2014 at 1:53pm*

**math**

The radius of the earth is approximately 3950 miles. The radius of Jupiter is approximately 44,400 miles. Since the radius of Jupiter is more than 11 times that of the earth, which comes closest to the volume of Jupiter ?
*Thursday, May 1, 2014 at 1:51pm*

**Math**

Last week we talked about Order of Operation or (PEMDAS) and this week we are solving Linear Equations. Is there any relation to the two practices? Think about it, are the processes similar? Is the process reversed? I think that there is a relation between the two but I just ...
*Thursday, May 1, 2014 at 1:27pm*

**math**

find the slop of (-17,18),(4,-12)
*Thursday, May 1, 2014 at 12:40pm*

**Math **

I need help with the below math problem. I have to write out the steps to show the answer. 2(x - 14) + 3 = 7x + 5
*Thursday, May 1, 2014 at 12:29pm*

**Math **

Could I please get another example of a math problem like the one I did below? 2(x - 14) + 3 = 7x + 5
*Thursday, May 1, 2014 at 12:23pm*

**Math**

1. Graph and identify the coordinates of a rectangle with a length of at least 5 units and a width of at least 2 units. Each vertex of the rectangle must be in a different quadrant. Two of the points must have rational coordinates that are not integers
*Thursday, May 1, 2014 at 11:47am*

**Math (6)**

The formula below gives the surface area S of a human body (in square meters) in terms of its weight W (in kilograms) and its height H (in centimeters). S = 0.007184(W^0.425)(H^0.725) Compute SW and SH when W = 100 kg and H = 180 cm. SW = ? SH = ?
*Thursday, May 1, 2014 at 11:45am*

**math (5)**

The monthly profit (in dollars) of Bond and Barker Department Store depends on the level of inventory x (in thousands of dollars) and the floor space y (in thousands of square feet) available for display of the merchandise, as given by the equation below. P(x, y) = -0.016x^2...
*Thursday, May 1, 2014 at 11:45am*

**math (2)**

Find the first partial derivatives of the function. f(x,y,z) = xe^(y/z) a. fx = ? b. fy = ? c. fz = ?
*Thursday, May 1, 2014 at 11:44am*

**math**

A ladder 20m long rest aganist a vertical wall so that the foot of the ladder is 9m from the wall.
*Thursday, May 1, 2014 at 11:32am*

**consumer math**

You wish to paint a storage shed. Its four walls measure 7 ft. high and 8 ft. wide each. If one gallon of paint covers 160 sq. ft., how many gallons of paint will you need?
*Thursday, May 1, 2014 at 11:00am*

**Math**

A truck costing $25,000 with a residual value of $5,000 was purchased by Rim Corporation. The truck’s estimated life is 10 years. At the end of Year 2, what is the book value using declining-balance method? Assume a depreciation rate of twice the straight-line method
*Thursday, May 1, 2014 at 10:57am*

**math**

Jose invests 3250 dollars at 6% interest compounded annually. What will be the balance in the account after 3.5 years? A. 3932.50 dollars B. 3985.23 dollars C. 4752 dollars D. 5200 dollars
*Thursday, May 1, 2014 at 10:17am*

**math**

given a Gp below, find the values of m, and the next 2 terms: m, m+3, m^2+3
*Thursday, May 1, 2014 at 9:51am*

**math**

factorise 1-16(1-y)^2 please help me
*Thursday, May 1, 2014 at 8:34am*

**Math**

. A playground has a total of 18 swings and slides. There are as many swings as there are slides. How many are there of each?
*Thursday, May 1, 2014 at 4:58am*

**4th Grade Math**

In Sassy' closet, she has 64 shirts. 2/8 of the shirts were blue. How many of Sassy's shirts are blue? How many are not blue?
*Thursday, May 1, 2014 at 12:04am*

**4th Grade Math**

Mickey Mouse love cheese. He had 24 wedges of cheese. 3/4 of the wedges were cheddar and the other wedges were gouda. How many wedges were cheddar?
*Thursday, May 1, 2014 at 12:02am*

**4th Grade Math**

Maggie Ordered 3 pizzas. Each pizza had 6 slices each. 5/6 of the pizza had mushrooms on it. How many pieces had mushrooms?
*Thursday, May 1, 2014 at 12:01am*

**math**

Can you solve this problem for me? Nina has twice as many nickels as dimess. In all, she has 70¢. How many nickels and dimes does she have?
*Wednesday, April 30, 2014 at 11:49pm*

**math**

The rectangular coordinates of the point P are (-1,sqrt 3). If P is reflected witg respect to the x-axis, then the polar coordinates of its image are¡??
*Wednesday, April 30, 2014 at 11:29pm*

**math**

A bag contains three red marbles, three green ones, one lavender one, five yellows, and two orange marbles. How many sets of five marbles include either the lavender one or exactly one yellow one but not both colors?
*Wednesday, April 30, 2014 at 11:26pm*

**Math**

HELP A Certain state's lottery LOTTO, is set up so that each player pays $1 per ticket and chooses six different numbers from 1 to 49. if the six numbers chosen match the six numbers drawn each Saturday evening, the player wins the top cash prize. the order in which the ...
*Wednesday, April 30, 2014 at 11:14pm*

**math**

-2d + 18 - 4d = 60
*Wednesday, April 30, 2014 at 11:02pm*

**math**

peg has $30 to spend at the book store. Her coupon is 15% off but she pays 5% tax. what is the most expensive book she can buy?
*Wednesday, April 30, 2014 at 10:47pm*

**Math**

The Puzzle: Here is a famous prize problem that Sam Loyd issued in 1882, offering $1000 as a prize for the best answer showing how to arrange the seven figures and the eight 'dots' .4.5.6.7.8.9.0. which would add up to 82
*Wednesday, April 30, 2014 at 10:17pm*

**Math 4 grade**

How much is one cola? Use the clues to find out. -The cost is between 20€ and 30€ -You can buy one cola with exactly 6 coins. -You can buy two colas with exactly 6 coins. -You can buy three colas with exactly 6 coins. -You can use pennies, nickels, dimes, or quarters...
*Wednesday, April 30, 2014 at 9:50pm*

**Math 222**

find the domain of each rational expression in set notation. x^2-36 divided by 3x 7w-2 divided by 16w^2-1 Then do both rational expressions have excluded values in their domains? If yes, explain why they are to be excluded from the domains. If no, explain why no exclusions are...
*Wednesday, April 30, 2014 at 9:44pm*

**Math**

What are the proceeds for a discounted loan for $300 repaid in 8 months at 17%?
*Wednesday, April 30, 2014 at 9:30pm*

**Math**

Cathy makes a deposit of 4500 dollars into an account that pays 5.8 percent simple interest. How much is in the account 8 years later?
*Wednesday, April 30, 2014 at 9:29pm*

**Math**

Charlie wants to buy a $500 TV in 9 months. How much should he invest now at 8% simple interest to have the money in 9 months?
*Wednesday, April 30, 2014 at 9:29pm*

**Math (Functions)**

What are some equivalent expressions of tan170?
*Wednesday, April 30, 2014 at 9:25pm*

**math (8)**

Find the second-order partial derivatives of the function. f(x,y) = x^5 + x^2y^2 + y^4 + x + y a. fxx = ? b. fyy = ? c. fxy = ? d. fyx = ?
*Wednesday, April 30, 2014 at 9:01pm*

**math (7)**

Find the second-order partial derivatives of the function. f(x,y) = x^5 + x^2y + x + 5 a. fxx = ? b. fyy = ? c. fxy = ? d. fyx = ?
*Wednesday, April 30, 2014 at 9:00pm*

**Math**

Find the coordinates of the other endpoint of hte segment, givern its midpoint (3,-5) and one endpoint (-5,4)
*Wednesday, April 30, 2014 at 8:53pm*

**Math**

there are 1 4ths of a pear in every container of a fruit salad. how many whole pear in 8 container of fruit salad ?
*Wednesday, April 30, 2014 at 8:48pm*

**Math (6)**

The formula below gives the surface area S of a human body (in square meters) in terms of its weight W (in kilograms) and its height H (in centimeters). S = 0.007184(W^0.425)(H^0.725) Compute SW and SH when W = 100 kg and H = 180 cm. SW = ? SH = ?
*Wednesday, April 30, 2014 at 8:48pm*

**math (5)**

The monthly profit (in dollars) of Bond and Barker Department Store depends on the level of inventory x (in thousands of dollars) and the floor space y (in thousands of square feet) available for display of the merchandise, as given by the equation below. P(x, y) = -0.016x^2...
*Wednesday, April 30, 2014 at 8:45pm*

**Math Help 2 Questions Urgent!**

1. The Pythagorean Theorem can be used to find distances between two points on a grid. But what about finding distances in three-dimensional space? Consider a rectangular box, which has length l, width w, and height h. What is the distance from one corner to the opposite ...
*Wednesday, April 30, 2014 at 8:41pm*

**consumer math**

A person selecting a bank will consider how convenient it is, how safe it is, and how secure their return is true false
*Wednesday, April 30, 2014 at 8:31pm*

**math (3)**

Evaluate the first partial derivatives of the function at the given point.(0,e) f(x,y) = 6e^x ln(y) fx(0,e) = ? fy(0,e) = ?
*Wednesday, April 30, 2014 at 8:29pm*

**math (2)**

Find the first partial derivatives of the function. f(x,y,z) = xe^(y/z) a. fx = ? b. fy = ? c. fz = ?
*Wednesday, April 30, 2014 at 8:24pm*

**Math**

This is the last question. Miles sells the surfboards in the colors shown below and its quantity below. Red-38,White-36,Blue-58,Striped-68. Now Miles orders 500 surfboards so how many white surfboards should he order.Explain.
*Wednesday, April 30, 2014 at 7:43pm*

**Math Help - 2 Questions**

1. The Pythagorean Theorem can be used to find distances between two points on a grid. But what about finding distances in three-dimensional space? Consider a rectangular box, which has length l, width w, and height h. What is the distance from one corner to the opposite ...
*Wednesday, April 30, 2014 at 7:42pm*

**Math**

Another probability question. If you count 50 four door cars and 30 two door cars what is the probability of the next car to be a two door
*Wednesday, April 30, 2014 at 7:11pm*

**Math**

You roll two cubes numbered 1-6. What is the probability that you roll two even numbers.
*Wednesday, April 30, 2014 at 6:38pm*

**consumer math**

previous balance 486.97 monthly rate 1.25% finance charge for month
*Wednesday, April 30, 2014 at 6:22pm*

**Math**

(y^2-y+2)/(y+2)
*Wednesday, April 30, 2014 at 6:05pm*

**Math**

For questions 1-2 , simplify each expression. 1.9! a.45 b.362,880 c.265,456 d.125,936 2.25P3 a.12,755 b.14,290 c.13,800 d.18,250
*Wednesday, April 30, 2014 at 5:44pm*

** math**

how to estimate 2 13/16
*Wednesday, April 30, 2014 at 5:34pm*

**math**

Which equation shows the identity property of multiplication? a) 6 x 0 = 6 b) 6 x 4 = 4 x 6 c) (6x2)x4 = 6(2x4) d) 6 x 1 = 6
*Wednesday, April 30, 2014 at 5:23pm*

**math**

Ben works 6 hours each day at his job at a local fast food restaurant. He went home sick after working 2 hours. what is the fraction of the 6 hour shift did he Not work?
*Wednesday, April 30, 2014 at 4:52pm*

**math 2**

judith has a necklace with a mass of 65.736 grams. what is the mass of her necklace rounded to the nearest tenth?
*Wednesday, April 30, 2014 at 4:41pm*

**Math**

Thank You Ms Sue but I don't know how you got 4.33 x 3.33? Josh
*Wednesday, April 30, 2014 at 4:17pm*

**math**

a plane leaves Vancouver headed for Toronto of a speed of 700 km/hr. Half an hour later a planes leaves toronto headed to vancouver travelling at a spped of 750 km/hr. the distance between vancouver and toronto is 3420 kn. How long after the plane leaves vancouver will it pass...
*Wednesday, April 30, 2014 at 4:14pm*

**math **

sin(πx+1)dx
*Wednesday, April 30, 2014 at 4:10pm*

**Math**

Which statement is NOT true for a pair of a intersecting lines? A. They form two pairs of congruent angles. B. They form four pairs of complementary angles. C. They form four pairs of supplementary angles. D. They form two pairs of vertical angles. Thanks
*Wednesday, April 30, 2014 at 4:02pm*

**Math**

How do you find the area of 4 yards 2 feet times 3 yards 2 feet? Thank You
*Wednesday, April 30, 2014 at 3:50pm*

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