Monday

April 27, 2015

April 27, 2015

**Math**

I know how to find the surface area of a rectangular prism but, I am not sure when given the coordinates of 4 feet by 6 feet by 8 feet which is which? For example: height, width, length? I don't know which way it goes? Thank You very much for any help you can give me.
*Monday, April 27, 2015 at 5:25pm*

**math**

Prove the identity: tan^2O/ 1 + tan^20 = sin^20 I get 1=1, but others have got sin^2=sin^2 Who's right?? Because there is no answer for this question at the back of the book
*Monday, April 27, 2015 at 5:22pm*

**math**

Solve each equation for 0<_ 0<_ 2pi(3.14) A) 2cos^20 - sin0 -1=0 My answers: sin0= -1/2 or sin0=1 so 0 = 7pi/6, 11pi/6 and pi/2 But the back of the book says: pi/6, 5pi/6 and 3pi/2
*Monday, April 27, 2015 at 5:20pm*

**Math 222**

Posted by Tika on Monday, April 27, 2015 at 1:03pm. How do I write an quadratic equation whose roots are -1 and -2 and whose leading coefficient is 1. Sorry my equal key does not work blank equals 0
*Monday, April 27, 2015 at 5:11pm*

**Math 222**

Posted by Tika on Monday, April 27, 2015 at 1:08pm. what is the value of the discriminant and of the real solutions of the quadratic equation? 5x^2-9x plus 2 equals 0
*Monday, April 27, 2015 at 5:10pm*

**Math/ Algebra**

Labor Relations Worksheet: Did you hear about the ........ that offers a course for ......... .......? It's called .... ..........(.) #'s (1-27) 1.) (x-4)(x+3)
*Monday, April 27, 2015 at 5:09pm*

**Math 222**

Posted by Tika on Monday, April 27, 2015 at 12:44pm. How do I make a perfect square. Sorry my addition key isn't working y^2-18y plus______
*Monday, April 27, 2015 at 5:08pm*

**Math**

How do I work out this problem? And then compare it to 1 whole. 0.003 * 10^2=
*Monday, April 27, 2015 at 5:00pm*

**Math help!**

Hilda has a rectangular garden by the river in front of her house. The area she uses for planting tomatoes is three times as large as that she uses for beets. If she has 270 yards of fencing material to enclose the garden to protect it fro, rodents, will the total area attain ...
*Monday, April 27, 2015 at 4:30pm*

**math**

Write a function rule for the total cost. One frozen yogurt store sells frozen yogurt for $3.00 per cup and $1.25 per topping. Write a linear equation to show the total cost of a cup of frozen yogurt. Then calculate the total price for one cup of frozen yogurt with 4 toppings...
*Monday, April 27, 2015 at 3:59pm*

**Math**

Part 1: Suppose you divide a polynomial by a binomial. How do you know if the binomial is a factor of the polynomial? Create a sample problem that has a binomial which IS a factor of the polynomial being divided, and another problem that has a binomial which is NOT a factor of...
*Monday, April 27, 2015 at 3:41pm*

**math- algebra**

5 x > 2 x + 18, x € N Please give me the solution to this problem!
*Monday, April 27, 2015 at 3:21pm*

**Math**

Solve the equations to the nearest tenth and use the given restrictions. 2. sin theta = -0.204, for 90 degs < theta < 270 degs Ans: 191.8 degs?
*Monday, April 27, 2015 at 3:13pm*

**Math 222**

what is the value of the discriminant and of the real solutions of the quadratic equation? 5x^2-9x plus 2 equals 0
*Monday, April 27, 2015 at 1:08pm*

**math**

the volume of a cylinder is 54cm cube.calculate the volume of the cone.
*Monday, April 27, 2015 at 1:07pm*

**Math 222**

How do I write an quadratic equation whose roots are -1 and -2 and whose leading coefficient is 1. Sorry my equal key does not work blank equals 0
*Monday, April 27, 2015 at 1:03pm*

**Math**

rcsdk12 . org/cms/lib04/NY01001156/Centricity/Domain/5668/10.1%20Solid%20Geometry%20Classwork.pdf In question 4, is the first choice the answer?
*Monday, April 27, 2015 at 12:57pm*

**Math 222**

How do I make a perfect square. Sorry my addition key isn't working y^2-18y plus______
*Monday, April 27, 2015 at 12:44pm*

**Math**

Solve the equations to the nearest tenth and use the given restrictions. 2. sin theta = -0.204, for 90 degs < theta < 270 degs Ans: 191.8 degs?
*Monday, April 27, 2015 at 12:25pm*

**Math**

Solve the equations to the nearest tenth and use the given restrictions. 1. tan theta = 8.055, for 90 degs < theta < 270 degs. Ans: 262.9 degs?
*Monday, April 27, 2015 at 12:23pm*

**math**

Find the volume of the cone to be constructed from a sector having a diameter of 72 cm and a central angle of 210
*Monday, April 27, 2015 at 11:48am*

**math**

Find the periodic payment R required to amortize a loan of P dollars over t years with interest charged at the rate of r%/year compounded m times a year. (Round your answer to the nearest cent.) P = 30,000, r = 5, t = 20, m = 4
*Monday, April 27, 2015 at 11:48am*

**Math help!**

Reduce the equation 3/x + x/3 = -5/2 to the standard form of a quadratic equation ax^2+bx+c=0. The quadratic equation is___?
*Monday, April 27, 2015 at 11:16am*

**Math help!**

For the quadratic function f(x) = 2x^2 - 16x + 27 The Vertex = ___? f(x) attains a maximum minimum value of ___? The axis of symmetry is___? The x-intercepts are___? and The y-intercept is ____?
*Monday, April 27, 2015 at 11:14am*

**Math help!**

A car goes 18 miles on a gallon of gas in city driving and 24 miles on the highway. If the car goes 465 miles on a full tank of 23 gallons of gas, how many miles were driven in the city and how many miles were driven on the highway?
*Monday, April 27, 2015 at 11:11am*

**Math help!**

A collection of forty-three coins consists of dimes and quarters. If the total value is 7.60, how many dimes and how many quarters are there?
*Monday, April 27, 2015 at 11:08am*

**Math 222**

How do I use substitution to solve the system? Please help Addition and equal key is not working -5x plus 2y equal 16 y equal 2x plus 7
*Monday, April 27, 2015 at 10:16am*

**6th Grade Math Inequalities**

The maximum weight allowed on The Wildcat ride is 221 pounds. Your friend weighs 60 pounds. To be able to ride in a car together, how much can you weigh? Write and solve an inequality. Is this the correct answer?: x + 60 ¡Ü 221; at most 161 pounds? Please answer ...
*Monday, April 27, 2015 at 9:48am*

**Math**

If sin 0 = -3 / 5 and pi < 0 < 3pi / 2, then tan 0 = ? F. -5 / 4 G. -3 / 4 H. -3 / 5 J. 3 / 4 K. 4 / 5
*Monday, April 27, 2015 at 9:36am*

**Math 222**

Please help me with inequalities?\ 2x-1>-3 and 4x plus 5>-19 I tried doing this problem, but I am lost.
*Monday, April 27, 2015 at 9:15am*

**MATH**

Abby, Betty, Cassie, and Dale need to cross the river on a boat. The boat only fits at most two people. If two people go over one must bring it back for the others. Abby takes 1 min., Betty 2 min., Cassie takes 5 min., and Dale takes 10 min.. The time it takes is based on the ...
*Monday, April 27, 2015 at 8:57am*

**Math 222**

Please help me solve this problem? The first mechanic worked 10 hours and the second mechanic worked 5 hours. Together they both charged a total of $1250 for their work. Their sum of two rates is $165 per hour. So how much did the first and second mechanics charged?
*Monday, April 27, 2015 at 8:50am*

**Math 222**

Please help me solve this system of equations? Sorry addition/equal key is not working. -2x plus 9y equal 3 -3x-4y equal 22
*Monday, April 27, 2015 at 8:46am*

**Math 222**

Please help me with this problem The sum of two numbers is 47, the smaller number is 23 less than the larger number. What are the two numbers?
*Monday, April 27, 2015 at 8:44am*

**math**

X|-2|0|2|4| Y|-4|0|4|8| Do the values in the table represent a linear function? If so what is the function rule? A. The values do not show a linear function. B. Yes, the values show a linear function; y=1/2x+4. C. Yes,the values show a linear function; y=2x+2. D. Yes, the ...
*Monday, April 27, 2015 at 6:16am*

**math**

a red rosebush has three times as many brooms as a punk rosebush. together they have 48 blooms . which of the following is the number of blooms on the red bush?
*Monday, April 27, 2015 at 5:08am*

**Business Math**

mr. mike invested two sums of money on simple interest. the fist was $2200 invested at 8% per annum and the second $1960 at 10% per annum. the sums were allowed to frow till bothe amounted to the same figure. in how many years did this happaended and what was the final amount?
*Monday, April 27, 2015 at 1:25am*

**math**

Write a function rule for finding the amount of daily pay, p in the following situation; A bus driver gets paid $100 each day plus $0.20 per kilometer, k. A.100=0.20 x k B. p=0.20x100 x k C. p= 0.20k+100 D. 0.20k=100+p Is the answer B??
*Monday, April 27, 2015 at 12:54am*

**Math**

Solve each equation to the nearest tenth and use the given restrictions. sin θ = -0.204 for 90 degrees < θ < 270 degrees. I don't get this. Is this supposed to be restricted to quadrants 2 and 3? Then it doesn't seem possible to get a value that will be...
*Sunday, April 26, 2015 at 11:56pm*

**math**

Street | Horizontal | Vertical rise Distance ft. |of street ft. _______|_____________|_______________ Dixie hill| 80. | 40 Bell hill | 80. | 20 Liberty hill| 80. | 60 Which hill is the steepest? Explain. A. Bell hill; it rises one foot for for every 4 feet of horizontal travel...
*Sunday, April 26, 2015 at 11:54pm*

**Math**

If the scale on a drawing of a house is 1 cm=2 1/2m, what is the length of the house if it measures 3 cm on the scale drawing?
*Sunday, April 26, 2015 at 11:54pm*

**Math**

Victoria tossed a coin 30 times and got 17 heads. What is the ratio of heads to coin tosses? What is the ratio of heads to tails? What is the ratio of tails to heads? If victoria tosses the coin 150 times, how many times can she expect to get heads?
*Sunday, April 26, 2015 at 11:40pm*

**math**

With the coordinates of (2,10)(4,20)(6,30) on a graph first numbers being the number of sub's on the x axis, and the second number being the cost of the sub's on the y axis. What is the slope-intercept equation for the cost of a sub at Fred's Sub Shop? A.y=2x B.y=...
*Sunday, April 26, 2015 at 11:14pm*

**Math**

Each human hand has 27 bones. There are 6 more bones in the fingers than in the wrist. There are 3 fewer bones in the palm than in the wrist. How many bones are in each part of the wrist?
*Sunday, April 26, 2015 at 11:12pm*

**math**

please help me with this one too! : if it costs about $0.10 per week to feed a snake, how much does it cost to feed 35 snakes for 4 wks?
*Sunday, April 26, 2015 at 10:56pm*

**Math**

If it costs an average of $14 each day to feed each of the 1058 zoo animals, what is the annual cost for feeding all the animals?
*Sunday, April 26, 2015 at 10:39pm*

**math**

Why does Zara have a good driving record?
*Sunday, April 26, 2015 at 10:38pm*

**math**

What is the slope-intercept equation for the cost of a sub at Fred's Sub Shop? A. y= 2x B. y= 10x C. y= 5x D. 5x+2 Is the answer C??
*Sunday, April 26, 2015 at 10:29pm*

**Math**

the antelopes eat 15 kg of corn, 14 kg of horse feed, and 100 kg of hay per day. how many kilograms of food are eaten per week?
*Sunday, April 26, 2015 at 10:11pm*

**math**

If the length of each dimension of the rectangular prism is cut in half, then surface area will be 1/4 of the original surface area. true or false
*Sunday, April 26, 2015 at 10:04pm*

**Math**

write the equation y+3=1/3x in general form.
*Sunday, April 26, 2015 at 8:52pm*

**math**

Raymond has four more sisters than Tyler.Write a number sentence to show Raymond=r tyler=t
*Sunday, April 26, 2015 at 7:33pm*

**math**

2 numbers have a product of 7, and a difference of 28, what are the 2 numbers?
*Sunday, April 26, 2015 at 7:02pm*

**math**

Given the position function, s of t equals t cubed divided by 3 minus 12 times t squared divided by 2 plus 36 times t, between t = 0 and t = 15, where s is given in feet and t is measured in seconds, find the interval in seconds where the particle is moving to the right.
*Sunday, April 26, 2015 at 6:15pm*

**Math 222**

The sum of two numbers is 47. The smaller number is 23 less than the larger number. What are the numbers?
*Sunday, April 26, 2015 at 6:12pm*

**math**

Graph the linear function y=-2x+3 How do I work this out?
*Sunday, April 26, 2015 at 6:04pm*

**Math**

Surface area of each solid .round to THE nearest tenth if necesaria. 6cm 5.2cm 7cm 6c
*Sunday, April 26, 2015 at 6:01pm*

**Math**

Marks worth is A 1 B 2 C 2 Please explain next to it though how you got that answer and what to write to get that mark. Clearly explain as I have no clue, don't leave anything out though! Information needed to solve There is an isosceles triangle with corners A, B and C. ...
*Sunday, April 26, 2015 at 5:59pm*

**math**

The side length of a rectangular box with a square base is increasing at the rate of 2 ft/sec, while the height is decreasing at the rate of 2 ft/sec. At what rate is the volume of the box changing when the side length is 10 ft and the height is 12 ft? Remember to use the ...
*Sunday, April 26, 2015 at 5:57pm*

**Math 222**

Please help me solve for m? F equal mv^2/r solve for m.
*Sunday, April 26, 2015 at 5:49pm*

**Math **

Please help me write this as a single fraction? Sorry my addition/equal key does not work - 3a-7b/2a plus 5a-4b/3a plus 3.
*Sunday, April 26, 2015 at 5:09pm*

**Math 222**

Please someone help me simplify this problem. My addition/plus key is not working. x-3/x^2 plus 5x plus 6 divided by x plus 1/4x plus 8
*Sunday, April 26, 2015 at 4:58pm*

**Math**

Angie has a scarf that measured 36.5 inches long. Her sister made a scarf 4.66 inches shorter. How long was her Austen's scarf?
*Sunday, April 26, 2015 at 3:06pm*

**Business Math Please Help me**

A monopoly has a total cost function C = 1000 + 108x + 12x^2 for its product, which has demand function p = 324 − 3x − 2x^2. Find the consumer's surplus at the point where the monopoly has maximum profit. (Round your answer to the nearest cent.) Thank You!
*Sunday, April 26, 2015 at 1:58pm*

**math**

how do I find the max number of 1.7 inch diameter spheres that can be stored in a cylindrical tank the tank has a radius of 2 inches and height of 4 inches there are 2 inches of water in the tank
*Sunday, April 26, 2015 at 12:59pm*

**math**

if you know the area of a square how do you find the length of the square?
*Sunday, April 26, 2015 at 11:37am*

**Math**

Solve each equation for 0 <_ 0<_ 2Pi(3.14) i) 18sin^20 +3cos0 - 17 = 0
*Sunday, April 26, 2015 at 9:52am*

**math**

Tess’ commission is increased according to how much she sells. She receives a commission of 6% for the first $5000 and 12% on the amount over $5000. What is the total commission on sales of $12,000?
*Sunday, April 26, 2015 at 9:43am*

**math**

King Arthur II has problems with pronouncing the digit 3. People are afraid of presenting something which includes 3 in it. The solution found is that if any number includes 3 as a digit, the number is divided by 2. This process continues as far as the new numbers include new ...
*Sunday, April 26, 2015 at 9:17am*

**math**

Show that 8x^3 + 12x + 100logx=O(x^3).
*Sunday, April 26, 2015 at 9:15am*

**math **

If the intensity of a lightbulb is 45w/m^2 at a distance of 8m, then what is the intensity of it at a distance of 3m?
*Sunday, April 26, 2015 at 3:40am*

**math**

A company is designing a juice box. The box is in the shape of a rectangular prism. The base of the box is 6 1/2 inches by 2 1/2 inches, and th box is 4 inches high. If juice fills 90% of the box's volume, find the volume of juice in the box. Thank you!
*Sunday, April 26, 2015 at 2:33am*

**math**

This question says to graph the linear function.y=1\3x-4. What would the graph look like? Thank you Reiny but they put me in this class and I can not figure out what to do. When I am for help they are always to busy to help me my mom when talked with the principal and she don...
*Sunday, April 26, 2015 at 1:38am*

**math**

A college is planning to construct a retangular parking lot on land bordered on one side by a highway. The plan is to use 680 feet of fencing to fence off the other three sides. What dimensions should the lot have if the enclosed area is to be a maximum?
*Sunday, April 26, 2015 at 12:46am*

**Math**

The plane P1 has equation r = (2,1,1)+lambda(-2,1,8)+mu(1,-3,-9) The plane P2 has equation r = (2,0,1)+s(1,2,1)+t(1,1,1) Show that for points that lie on P1 and P2, lambda=mu I have no idea how to start... help! Thanks!
*Saturday, April 25, 2015 at 10:24pm*

**math**

The data in the table are linear. Use the table to find the slope. X| 2| 4| 6| 8 Y| 1|-2|-5|-8 A. 3/2 B. -3/2 C. -2/3 D. 2/3 Please help me work this out I don't know how to do this kind of stuff. Thank you in advance.
*Saturday, April 25, 2015 at 10:22pm*

**Math**

Solve each equation for 0<_ 0<_ 2pi(3.14) E) 18sin^2(0) + 3cos0 -17 =0
*Saturday, April 25, 2015 at 8:28pm*

**Math**

You want to find out what the favorite hot lunch in the school cafeteria is among the high school students. At an assembly for the whole school, you decide to survey all students who are sitting on the end of their rows in the auditorium. What type of survey are you conducting...
*Saturday, April 25, 2015 at 8:09pm*

**Math**

in order to find out what the best restaurant is in town you call 25 of your friends at random. what type of survey is this? a- biased b-random c-systematic d-stratified my answer is biased because you may pick at random but they are all still your friends.
*Saturday, April 25, 2015 at 7:58pm*

**Math**

What is the 1st quartile of the following data set? 2745,257,301,218,265242,201 a-201 b-218 c-257 d-270 my answer would be 28 because 201 would be the minimum.
*Saturday, April 25, 2015 at 6:54pm*

**math**

The Sugar Sweet Company will choose from two companies to transport its sugar to market. The first company charges $ 4696 to rent trucks plus an additional fee of $ 225.50 for each ton of sugar. The second company charges $ 5500 to rent trucks plus an additional fee of $ 175....
*Saturday, April 25, 2015 at 6:02pm*

**math**

Solve each equation for 0<_ 0<_ 2pi(3.14) A) 2cos^20 - sin0 -1=0
*Saturday, April 25, 2015 at 4:37pm*

**math**

Can someone please explain this problem Find the general solution to the linear system of differential equations. x'1 x'2 x'3 = −4 −4 5 0 −4 4 0 4 2 x1 x2 x3
*Saturday, April 25, 2015 at 4:25pm*

**geometry**

I sent question about rt triangle, ABC, needing to find a & b. altitude was 4, base a and hypotenuse b. You mentioned knowing another angle. There is one < A is 45 degrees. Thanks for all your help. Math is not an easy subject for me.
*Saturday, April 25, 2015 at 3:50pm*

**math**

The length of a rectangular piece of cardboard is three more than twice the width. A square 2 cm on a side is cut out of each corner. The sides are folded up to form an open box. if the volume of the box is 120cm^3, what were the original dimensions of the cardboard.
*Saturday, April 25, 2015 at 3:18pm*

**Math**

Determine the simple interest p=6742.75,6.05%, t=90 days
*Saturday, April 25, 2015 at 2:40pm*

**math**

The ratio of number of $5 notes to the number of $10 notes that Ryan has was 4:3. After Ryan spent $140 worth of 5$ notes and 2/5 of $10 notes, the ratio became 2:3. What was the value of the $5 notes Ryan had at first?
*Saturday, April 25, 2015 at 9:48am*

**math**

Solve each equation for 0<_ 0<_ 2pi(3.14) a) 2tan^20 = 3tan0 - 1
*Saturday, April 25, 2015 at 8:56am*

**math geography and business studies**

what can i study in university
*Saturday, April 25, 2015 at 7:32am*

**Math**

1. cos theta = 0.2 for 270 degrees <= theta <= 360 degrees. Ans: 78.5 degs? 2. sin theta = 0.95 for -90 degrees <= theta <= 90 degrees. Ans: 71.8 degs?
*Saturday, April 25, 2015 at 12:32am*

**math**

Find the slope in the graph with the coordinates -3x,3 and 1,-5 A.2 B.-1/2 C.-2 D.1/2 Is the answer A??? Thanks in advance.
*Friday, April 24, 2015 at 10:24pm*

**Math 222**

How do I write this problem as a single fraction? Sorry my addition button doesn't work. 2x plus 7y 2x plus 5y ____________ - ____________ plus 2 8x 2x
*Friday, April 24, 2015 at 9:56pm*

**Math 222**

How do I write this problem as a single fraction? Sorry my addition button doesn't work. 2x plus 7y 2x plus 5y ____________ - ____________ plus 2 8x 2x
*Friday, April 24, 2015 at 9:37pm*

**Math**

. If Kerry fills the tank with 10 in. of water, how much water is in the tank? How much of the tank is empty?
*Friday, April 24, 2015 at 7:54pm*

**Math**

. If Kerry fills the tank with 10 in. of water, how much water is in the tank? How much of the tank is empty?
*Friday, April 24, 2015 at 7:36pm*

**Math 222**

want to make sure that I am using my vocabulary words correctly to explain my answer for this problem. Thank You!!! ). This Quadratic formula needs to be factored -x^2 + 3 x + 5 = 0 x^2 - 3 x - 5 = 0 x = [ +3 +/- sqrt(9 + 20) ] / 2 The discriminant 1.5 +/- 2.69
*Friday, April 24, 2015 at 7:06pm*

**Math, Statistics**

Find two z-scores so that 40% of the data in the distribution lies between them. (More than one answer is possible). Include a sketch of the distribution with 40% of the area shaded and the corresponding z-scores included. I'm not sure how to do this problem. Just need a ...
*Friday, April 24, 2015 at 6:36pm*

**MATH**

HELP !!! Which statistics concept is described? Choose from these answers: [(A):statistical test] [(B):Null Hypothesis] [(C):alpha] [(D):one-tailed test] [(E):two-tailed test] [(F):Type I error] [(G):Type II error] [(H):the statistic Z] 1)When a hypothesis is that two groups ...
*Friday, April 24, 2015 at 6:25pm*

**Math**

Use the graph below to answer the following question. 1. Find the slope. (1 point) 2 – –2 Use the graph below to answer the following question. 2. Find the slope of the line. Describe how one variable changes in relation to the other. (1 point) 2; distance increases ...
*Friday, April 24, 2015 at 6:12pm*

**Math, Psychology**

Can anyone tell me what should be the answer to this question? What term is being described: Choose from these answers: (A)Central Limit Theorem (B)Normal distribution (C)Standard Error (D)Z-score (E)Transformation rules 1) If you keep taking more and more samples, the average...
*Friday, April 24, 2015 at 6:01pm*