Tuesday

May 26, 2015

May 26, 2015

**math**

lim [(x ¡Ì2* ¡Ì2* ¡Ì2 )/x]-[3* ¡Ì2/x] x0†30
*Tuesday, May 26, 2015 at 2:33am*

**Math**

What is the equation of the parabola with a focus of (4, 5) and a vertex of (4, 2) opening upwards? y - 2 = 1/12(x - 4)^2?
*Monday, May 25, 2015 at 9:59pm*

**Math**

I brought a book and paid $1.80 in sales tax. If the tax was 8%, what was the cost of the book. How do I solve this problem?
*Monday, May 25, 2015 at 9:29pm*

**math**

I need to calculate the effective interest rate of a simple discount note $21,750 at an ordinary bank discount rate of 7.91% for 120 days find the effective rate
*Monday, May 25, 2015 at 7:41pm*

**math**

margaret Hillman invested $4,000 at 1.2% compounded quarterly for one year. find the futrue value and the interest earned for the year
*Monday, May 25, 2015 at 7:18pm*

**math**

how to cut a 10 ft board into 9 smaller boards
*Monday, May 25, 2015 at 7:17pm*

**math**

compute the compound amount and the interest on a loan of $19,400 compounded annually for 6 years at 12%
*Monday, May 25, 2015 at 7:00pm*

**math**

rosa needs $3,000in three years to make a down payment on a car how much must she invest today is she reeceives 0.5% interest annually compounded annually.
*Monday, May 25, 2015 at 6:47pm*

**math**

rosa needs $4,000in three years to make a down payment on a car how much must she invest today is she reeceives 0.5% interest annually compounded annually.
*Monday, May 25, 2015 at 6:22pm*

**math**

i have 5/6 yards of fabric to make shirts I need 1/12 yards of fabric for each chirt. How many shirts can I make? 5/6 x 1/12
*Monday, May 25, 2015 at 5:55pm*

**Math 7 **

A photo studio offers different sized prints of the same subject. The original print measures 8 inches by 10 inches. A printer enlarges the orginal the orginal by a scale factor of 1.5, and then enlarges the second image by a scale factor of 3. What are the dimensions of the ...
*Monday, May 25, 2015 at 5:27pm*

**Math**

triangle abc has sides that are 20 centimeters 38 centimeters and 50 centimeters in length . it is related to triangle cde by a scale factor of 0.5 what are the lengths of the sides of triangle CDE. I need help to figure this out. Thanks
*Monday, May 25, 2015 at 5:22pm*

**Math**

A cylinder is 12 cm tall and has a diameter of 3 cm. What is the total surface area? Pi x radius x radius=3.14 x 1.5 x 2=9.42 cm Pi x diameter= 3.14 x 3= 9.42cm length x width= 9.42 x 12= 113.04cm Total Surface Area= 9.42+9.42+113.04=131.8cmsquared. The answer is 157cm. I don...
*Monday, May 25, 2015 at 5:14pm*

**math**

I am having trouble understanding how to solve this problem. I found an answer, about 74.2%, but I am not sure if that is correct. Any help would be greatly appreciated! A chess board has 64 squares, 32 white and 32 black, and is played with 16 black and 16 white pieces. If ...
*Monday, May 25, 2015 at 4:18pm*

**Math**

Which number is NOT divisible by 9?
*Monday, May 25, 2015 at 2:52pm*

**math packet**

how do I solve the following: 2x(x-3)+3=4
*Monday, May 25, 2015 at 2:17pm*

**Math**

Plz Help!!! List three different ways to write 5 (with an exponents of 11) as the product of two powers. explain why all three of you expressions are equal to 5 with an exponent of 11… so far i just know that when your dealing with multiplying a power you add. any ...
*Monday, May 25, 2015 at 1:44pm*

**Math**

Identify the sampling,method. You want to determine the number of text messages students at your school send in a month. You go to the cafeteria and ask every 4th student that walks in. a- random b- systemic c- stratified d-m none of these My answer is none of the these ...
*Monday, May 25, 2015 at 1:25pm*

**math**

what is a probability of rolling a total of 5 when a pair of number cubes is rolled once
*Monday, May 25, 2015 at 12:59pm*

**math**

on monday 464 students went on a trip to zoo .all 9 buses were filled and 5 students had to travel in cars. how many students were in each bus?
*Monday, May 25, 2015 at 12:36pm*

**Math Thanks**

2 Eight children from the Schickel family are combining their savings to purchase a gaming system to connect to and play on their television. The gaming system is on sale at their favorite discount electronics store for 10 percent off of its regular price of $500. If the cost ...
*Monday, May 25, 2015 at 12:27pm*

**MATH Help (NOT MULTIPLE CHOICE) PLZZ**

The O’Toole’s leave their house in Canada to vacation in Mexico for a week over winter break. In their absence, their house receives an average of 8 inches of snow per day each day during the seven-day period. However, the average air temperature rises above 32 ...
*Monday, May 25, 2015 at 12:24pm*

**Math**

A model rocket is launched from a roof into a large field. The path the rocket can be modeled by the equation y=-0.04x^2+8.3x+4.3 where x is the horizontal distance in meters, from the starting point on the roof and y is the height in meters, of the rocket above the ground. ...
*Monday, May 25, 2015 at 11:58am*

**Math**

A catapult launches a boulder with an upward velocity of 92 m/s. The height of the boulder, h, in meters after 1 seconds is given in the function h= -5t^2+92t+16. How many seconds does it take to reach maximum height? What is the boulders maximum height?
*Monday, May 25, 2015 at 11:52am*

**Math**

Express the given equation in rectangular coordinate equation and sketch the curve. r^2=1+sin(theta)
*Monday, May 25, 2015 at 11:07am*

**math**

Hello Sir, I have a question . A bird collector wants to buy 100 birds and to spend exactly $100. 1 Blue Bird= 7 dollars 1 Green Bird= 5 dollars 20 Yellow Birds= 1 dollar How many blue, green, and yellow birds can he buy? Please sir i'm waiting for your response.
*Monday, May 25, 2015 at 5:25am*

**math**

a circular maize field has a radius of 200m .What is the length of fence around this field
*Monday, May 25, 2015 at 5:10am*

**Math**

Mrs. Murphy separates her class into groups of 4 students each, 1 student is left over. If she separates her class into groups of 5 students each, 2 students are left over. What is the least number of students the class could have?
*Monday, May 25, 2015 at 4:42am*

**math**

find the arc length of a circle whose radius is 9in and whose central angle is 69. use pi=3.14
*Sunday, May 24, 2015 at 11:46pm*

**Math**

You are considering two mutual funds for your investment. The possible returns for the funds are dependent on the state of the economy and are given in the accompanying table. State of the Economy | Fund A | Fund B Good | 20% | 40% Fair | 10% | 20% Poor | -10% | -40% You ...
*Sunday, May 24, 2015 at 9:22pm*

**math**

how many pizza choices can you get with 3 crusts,7 toppings and 3 cheeses
*Sunday, May 24, 2015 at 8:01pm*

**Math**

What type of transformation is used when moving up an escalator?
*Sunday, May 24, 2015 at 2:29pm*

**Math**

If a square of x multiple cm multiple x multiple cm is removed from the corner of 20cm multiple 20cm paper, write down an equation which will represent the volume of the box made from the remaining paper. Please help me please .
*Sunday, May 24, 2015 at 1:37pm*

**Math**

If a square of x times cm times x times cm is removed from the corner of the 20cm x 20cm paper, write down an equation which will represent the volume of the box made from the remaining paper.
*Sunday, May 24, 2015 at 12:59pm*

**math**

volume of pyramid is 48 cu. ft. What is surface area if height is 4 ft and has a square base
*Sunday, May 24, 2015 at 12:21pm*

**math**

is this function - y=3^x open up or down? is it a vertical stretch or compression?
*Sunday, May 24, 2015 at 11:48am*

**Math**

What is the largest square of which the dimensions are natural numbers that you can cut from the corners of 20cm x 20cm paper? Explain
*Sunday, May 24, 2015 at 7:16am*

**math**

if the line segment given below is congruent then the length of ab is
*Sunday, May 24, 2015 at 3:54am*

**Math**

A gun ia fired at a distance 1.7 km away from sajid.sajid hears a sound 5 seconds later.find the speed at which sound travells.
*Sunday, May 24, 2015 at 12:53am*

**Math**

if you had 60 songs how many different ways can you load 5 songs
*Saturday, May 23, 2015 at 11:29pm*

**math**

By completing the square, determine the point in time when your model predicts Peter’s fortune will turn around. What is the lowest value that Peter’s investment will reach at this time? my function was v(t)=25x^2-750x+10000 v(9)=25(9)^2-750(9)+10000=5275
*Saturday, May 23, 2015 at 9:23pm*

**math **

At a used car dealership, the first determinant in the price of the car is the model, followed by the mileage and the age of the car. Which of the following is the dependent variable? A. price B. model C. mileage D. age I think its A because price depends on age, mileage, and ...
*Saturday, May 23, 2015 at 7:15pm*

**Math**

find the angle θ in the right triangle in the following problem. Round to the nearest degree, if necessary. cos θ = 0.8192 A = 45 H = ?
*Saturday, May 23, 2015 at 3:10pm*

**UMA**

math what is the answer to this 732,178+167-542,137
*Saturday, May 23, 2015 at 2:28pm*

**math**

which of the following statements is true 15divide 0=0 or 0 divide 15=0
*Saturday, May 23, 2015 at 12:58pm*

**Math**

Explain how you would design a research study to compare the effectiveness of two weed killers. Both weed killers A and B are known to be effective but it is not known which is more effective and on what type of weeds. Weeds can be broadly classified into “broad leaf”...
*Saturday, May 23, 2015 at 9:11am*

**math**

if x=1+under root 2+under root 3 prove that x power 4-4 x cubed-4x squared+16x-8=0
*Saturday, May 23, 2015 at 6:04am*

**Math**

I scored 3031 on my math performance series scantron test...is that a good score?
*Friday, May 22, 2015 at 11:33pm*

**Math**

Ansgar is writing a novel. He writes seven days a week. On each of those days he writes for at least 4 hours but never more than 8 hours. Last week, he wrote for exactly 46 hours. What is the maximum number of days on which he could have written for 8 hours? A. 2 days B. 3 ...
*Friday, May 22, 2015 at 9:31pm*

**Math**

Find the volume of a triangular prism with the following dimensions. Round to the nearest whole number. triangle base: 7 ft triangle height: 4 ft prism height:8.5 ft
*Friday, May 22, 2015 at 8:51pm*

**Math**

If (1 / 49)^ n + 3 = radical (7), then n=? F. - 7 / 4 G. 9 / 4 H. -11 / 4 J. -13 / 4 K. 15 / 4
*Friday, May 22, 2015 at 8:44pm*

**Math**

Original price: Decrease by 85% Final Price: $12.99
*Friday, May 22, 2015 at 8:38pm*

**Math**

Find the volume of a triangular prism with the following dimensions. Round to the nearest whole number. triangle base: 7 ft triangle height: 4 ft prism height:8.5 ft
*Friday, May 22, 2015 at 8:28pm*

**Math**

How many questions are on the 9th grade math scantron performance series test?
*Friday, May 22, 2015 at 8:09pm*

**math**

y=3^x opens up or down? vertical stretch or compression vertex y-int domain and range
*Friday, May 22, 2015 at 5:40pm*

**math**

compute the compound and the interest on a loan of $10,400 compounded annually for 6 years at 12% use the $1.00 future value and compound interest formula
*Friday, May 22, 2015 at 5:28pm*

**Math- integers**

The greenhouse effect occurs on many planets. If the actual temperature on Venus is -40 degrees, the temperature with the greenhouse effect is 800 degrees. What is the difference between the actual temperature and the temperature with the greenhouse effect.
*Friday, May 22, 2015 at 4:43pm*

**math**

a land company has a loan of $8,500 compounded quarterly for 5 years at 6% what is the effective interest rate for the loan?
*Friday, May 22, 2015 at 4:37pm*

**math**

I agreed to lend a friend money at a special interest rate of 10% per year on the condition that the friend borrow enough that they would pay %650 in interest over a period of 4 years what is the minimum amount my friend could borrow
*Friday, May 22, 2015 at 4:18pm*

**math**

future amount needed $6,000 interest rate is 3% compounding period semiannually investment time 8 years what would the present value be
*Friday, May 22, 2015 at 3:57pm*

**Math**

If no digits may be used more than once , how many 5 digits can be formed using only the digits 3, 8,1,2,5 ,7?
*Friday, May 22, 2015 at 3:12pm*

**Math **

What is the surface area and volume of a composite figure made up of a hemisphere and a cone in terms of pi? The radius is 10, and the slant height is 15. Ans: surface area: 350 pi units^2 volume: 1039.4 pi units^3
*Friday, May 22, 2015 at 2:33pm*

**math**

You roll a number cube numbered one to six 12 times. P(5)=2/3. What type of probability is illustrated and why?
*Friday, May 22, 2015 at 3:50am*

**math**

By completing the square, determine the point in time when your model predicts Peter’s fortune will turn around. What is the lowest value that Peter’s investment will reach at this time? my function was v(t)=25x^2-750x+10000 v(9)=25(9)^2-750(9)+10000=5275
*Friday, May 22, 2015 at 12:21am*

**math**

metal mercury at room temperature is a liquid. melting point is 39 degree celsius.freezing point of alcohol is 114 degree celsius.how mu7ch warmer is the melting point of mercury than the freezing point of alcohol
*Thursday, May 21, 2015 at 11:41pm*

**Calculus math**

how do i solve these quadratics? c=10000 9a+3b+c=7975 36a+6b+c=6400 im unsure of how to solve as a and b are unknowns...
*Thursday, May 21, 2015 at 11:20pm*

**Math**

Q. Neil found out that the Sunday paper that he delivers is about 1 pound and 12 ounces. He delivers 39 newspapers on Sunday's. How much do the 39 newspapers weigh? (Hint: 16 ounces = 1 pound) A. I tried adding 16 12 times but that didn't work after I found out it was ...
*Thursday, May 21, 2015 at 10:04pm*

**Math**

A pet store is building new cages for their birds. They have 8!@#$%^&atiels, 32 parakeets, and 28 finches. How many cages will they need if each cage will hold either 2!@#$%^&atiels, 10 parakeets, or 14 finches. The different types of birds are all kept separate.
*Thursday, May 21, 2015 at 8:54pm*

**Math**

From a point 120m from the foot of a building, the angles of elevation of the top and bottom of the flagpole are 49 degrees and 46 degrees respectively. Find the height of the flagpole (answer 13.8m) I couldn't get the answer because I thought the question was worded weird...
*Thursday, May 21, 2015 at 8:52pm*

**5 th grade math**

at a grocery store salted peanuts in the shell cost 30 cents per ounce. is $5.00 enough money to buy 1 pound of peanuts?
*Thursday, May 21, 2015 at 8:41pm*

**math plz help quick**

from a committee go 6 girls and 4 boys, a name is selected. then another name is selected. what is the probability that both people will be girls.
*Thursday, May 21, 2015 at 8:35pm*

**math plz help quick**

a bag contains 3 blue marbles 9 green marbles and 11 yellow marbles. twice you draw a marble and replace it ,find the probability of blue then green
*Thursday, May 21, 2015 at 8:30pm*

**Math**

A pet store is building new cages for their birds. They have 8!@#$%^&atiels, 32 parakeets, and 28 finches. How many cages will they need if each cage will hold either 2!@#$%^&atiels, 10 parakeets, or 14 finches. The different types of birds are all kept separate.
*Thursday, May 21, 2015 at 8:23pm*

**Math**

Solve -2x<9. x> ____
*Thursday, May 21, 2015 at 7:20pm*

**math**

A rectangular dog pen that has the greatest possible area within a budget of 50$.A pen needs at least one gate for a dog. Fencing is $1.00 per foot, fence posts are $2.00 each and gates (3 feet wide) are $5.00 each. what is the area of a pen? pls help me !!!
*Thursday, May 21, 2015 at 7:14pm*

**math**

A refrigerator is 2.8 feet wide, 2.5 feet deep,5.5 feet high. the walls and other parts of the refrigerator take up 19 feet to the 3rd power. How many cubic feet are left for food
*Thursday, May 21, 2015 at 7:04pm*

**MATH PRACTICE**

Triangle ABC has Coordinates A(-6,0) B(-2,0) C(-2,-7). What is the APPROXIMATE Perimeter of Triangle ABC?
*Thursday, May 21, 2015 at 6:42pm*

**1st grade math**

what is a common factor
*Thursday, May 21, 2015 at 6:16pm*

**math**

lilly made a 75 on her history test and an3 on her math test. the mean grade on the history test was 72 with a standard deviation of 5. the average grade on the math test was 81 with a standard deviation of 4. which test did lilly do better?
*Thursday, May 21, 2015 at 6:03pm*

**Math: related rates**

A street light is at the top of a 26 ft pole. A 5 ft tall girl walks along a straight path away from the pole with a speed of 7 ft/sec. At what rate is the tip of her shadow moving away from the light (ie. away from the top of the pole) when the girl is 23 ft away from the ...
*Thursday, May 21, 2015 at 5:59pm*

**Math!! (repost) really need help!!**

A cone has a diameter of 24 in. and a height of 10in. What is the volume of s cone? use 3.14 as an approximation.. final answer in tenths - Im stuck between two answers: 94.25 because if I do 3 x 10 to find the volume. I say 3 because the diameter is 24 in., also 8 x 3 equals ...
*Thursday, May 21, 2015 at 5:52pm*

**Math**

"A system of equations can have two answers beside an actual set of coordinates. What are they?" Would the two other answers be graphing and ratio, or ..
*Thursday, May 21, 2015 at 4:50pm*

**Math- simple polynomials**

for questions 13 and 14 write the value of the expression (these are fractions) 13. 3^4/3^4 A) 3 B) 0 C) 1 D) 4 14. 3^3/3^6 A) 1/27 B) 1/9 C) 9 D) -27 I think that 13 is D and that 14 is B. Am i correct?
*Thursday, May 21, 2015 at 4:48pm*

**Math.**

A cone has a diameter of 24 in. and a height of 10in. What is the volume of s cone? use 3.14 as an approximation.. final answer in tenths - Im stuck between two answers: 94.25 because if I do 3 x 10 to find the volume. I say 3 because the diameter is 24 in., also 8 x 3 equals ...
*Thursday, May 21, 2015 at 4:47pm*

**Math**

x+3y = 10 & x=2y-5 could someone explain how to do this.
*Thursday, May 21, 2015 at 4:39pm*

**Math**

a number squared subtracted from six times that number is equal to -8
*Thursday, May 21, 2015 at 4:04pm*

**math**

a loan of $8,500 compounded quarterly for five years at 8% what is the effective interest rate for the loan
*Thursday, May 21, 2015 at 3:49pm*

**Math**

Sharon made a scale drawing of a triangular park. The coordinates for the vertices of the park are: (– 10, 5) (15, 5) (10, 12) Her scale is 1 unit = 1 meter. What is the area of the triangular park in square meters? How do you find the answer?
*Thursday, May 21, 2015 at 2:36pm*

**math**

How much should linda set aside to buy equipment that costs 7,100 in one year the current interest rate is 0.6% annually compounded annually
*Thursday, May 21, 2015 at 2:23pm*

**math**

How would I show my work for this problem Find the value of the following: -3squared + ( (5 (8-6) ) / 2 + 45 ) / 5
*Thursday, May 21, 2015 at 1:27pm*

**Math**

A fish and game worker catches, tags, and releases 120 trout in a lake, Later she catches 84 trouts and finds tags on 30 of them. Estimate the total number of trout in the lake a.43 b.234 c.336 d.3,600
*Thursday, May 21, 2015 at 12:58pm*

**math**

i need help finding the volume of the rectangle prism
*Thursday, May 21, 2015 at 11:13am*

**Finance, Math**

You take a short position in one European put option contract, with strike price 100 and maturity six months, on a stock that is trading at 100. The annual volatility of the stock is constant and equal to 25%. The dividend rate is zero. The annual (continuously compounded) ...
*Thursday, May 21, 2015 at 10:18am*

**math **

8x³+y³+27z³-18xyz
*Thursday, May 21, 2015 at 10:18am*

**Finance, Math**

The one-year and two-year risk-free rates (yields) are 1% and 1.025%, respectively. Our model of the term structure says that one year from now the one-year interest rate will be one of the following two values: 0.01 or 0.01*u, where u is the up factor. Here, the rates are the...
*Thursday, May 21, 2015 at 10:17am*

**Math**

You have $5 for lunch. You bought a turkey sandwich for $2.25. Write an solve an inequality to show how much you can spend.
*Thursday, May 21, 2015 at 10:02am*

**math**

Ava made 100 paper cranes, and Brittany made 3/4 of the number of paper cranes Ava made. Ava gave 9/20 of her paper cranes to Brittany. Then, Brittany gave 1/4 of her paper cranes to Ava. How many more paper cranes did Brittany have than Ava in the end?
*Thursday, May 21, 2015 at 7:46am*

**math**

a motorist drives 80km at an average speed of 63km/h.which average is this:mean median or mode
*Thursday, May 21, 2015 at 1:34am*

**Math Please Help**

Eliminate the parameter and sketch the curve. x=cos(theta) , y=cos^2(theta) + 8cos(theta)
*Wednesday, May 20, 2015 at 10:59pm*

**math**

How many ways are there to move from one corner of a cube to the diagonally opposite corner, in three moves, each of which travels along one edge of the cube?
*Wednesday, May 20, 2015 at 10:55pm*