Wednesday

November 25, 2015
**Math: Word Problem**

A security fence encloses a rectangular are on one side of a park in a city. Three sides of fencing are used, since the fourth side of the area is formed by a building. The enclosed area measures 450 square feet. Exactly 60 feet of fencing is used to fence in three sides of ...
*Saturday, November 14, 2015 by Vee*

**math**

Why do you have to use estimation to find the number of triangles you need for the string? {could you please me I don't understand
*Saturday, November 14, 2015 by Claire *

**math**

If someone had a score of 495/500, What is the mixed number fraction? "I'm confused because if the denominator is bigger than the numerator how can we end up with a mixed number"
*Saturday, November 14, 2015 by devon*

**math**

Straight Numeric and Terminal Digit Filing i dont understand it at all
*Saturday, November 14, 2015 by andy*

**Math, physics**

A rotating space station has radius 1380 m, measured from the center of rotation to the outer deck where the crew lives. What should the period of rotation be if the crew is to feel that they weigh one-half their Earth weight?
*Saturday, November 14, 2015 by Pikka*

**Math**

What is the expected number of rolls of both dice until you get a sum that equals 6? I know that p[sum = 6] = 5/36, but how do I find out: E[# of rolls until the sum = 6] = ? Thanks!!
*Saturday, November 14, 2015 by Beth*

**math**

What graphical characteristics in the reciprocal function do the zeros of the original function correspond to? Explain
*Saturday, November 14, 2015 by Mahan *

**Finite Math **

A bowl contains 10 red balls, 5 blue balls, and 8 green balls. A woman selects balls at random without looking in the bowl. How many balls must she select to be sure that she has at least one ball of each color?
*Saturday, November 14, 2015 by Ronnie*

**math**

If one angle of parallelogram is twice of its adjacent angle. Find angle of parallelogram.
*Saturday, November 14, 2015 by bavya*

**Math**

A pole that is 3.2m tall casts a shadow that is 1.4m long. At the same time, a nearby tower casts a shadow that is 39.5m long. How tall is the tower? Round your answer to the nearest meter.
*Saturday, November 14, 2015 by Michelle*

**math**

Mrs lim had a ball of string of length 26 m. she cut 5 m of string to tie up some parcels. the remaining string was then cut into 4 equal pieces. what is the length of each piece of string?
*Saturday, November 14, 2015 by roseffgtyu*

**Math work please help**

Which two square roots are used to estimate the square root of 42 25and36 36and49 49and64 25and64
*Saturday, November 14, 2015 by Anon*

**math**

what is the rate of this ratio in its lowest term - 48 gallons in 14 mins
*Saturday, November 14, 2015 by sara*

**Math **

find the measure of two complementary angles if one is 20 degrees more than 4 times the other angle.
*Saturday, November 14, 2015 by Aleesia*

**math**

Saleem has purchased an investment certificate having a face value of rs.50,000.It carries interest at the rate of 12% payable annually and would mature after 4 year.For how much can Saleem sell this investment to a person whose required rate of return is 10%.
*Saturday, November 14, 2015 by waqas hashmi*

**Math**

Jessica went to the mall and used 1/6 of her money on lunch. What is the fraction of her money expressed as a decimal? A. 0.6 (line above the 6) B. 0.7 (line above the 7) C. 0.16 (line above the 6) D. 0.17 ( line above the 7
*Saturday, November 14, 2015 by Caitlyn*

**Math**

A(-3,3) A is a glide reflection where the translation is (x,y) (x+5,y), and the line of reflection is y=1. What are the coordinates of A' A.(2,-3) B.(-3,5) C.(5,1) D.(2,5)
*Friday, November 13, 2015 by Roi*

**Math - Logarithms**

Could you please explain why lne^2 = 2, e^lne^2 = e^2, e^lin2 = 2, and lne^e = e ? Thank you.
*Friday, November 13, 2015 by Kid*

**Math - Logarithms**

Write the following expression as a single logarithm: 4ln2x + ln(6/x) - 2ln2x So I did... 4ln2x + ln(6/x) - 2ln2x = ln2x^4 + ln(6/x) - ln2x^2 = ln16x^4 + ln(6/x) - ln4x^2 = ln16x^(2)(2) + ln(6/x) - ln4x^2 = 2ln16x^2 + ln6 - lnx - ln4x^2 If my calculations so far are correct, ...
*Friday, November 13, 2015 by Kid*

**math**

Point E(0, -2) is a vertex of square DEFG. After a 90* clockwise rotation of the square about the origin, which of the following is the location of E? A. (-2,0) B. (2,0) C. (2,2) D. (0,2) Point D(-3,5) is a vertex of triangle DEF. After rotation of the triangle about the ...
*Friday, November 13, 2015 by EMERGENCY HELPPPPPPP*

**math**

The back of Dante's property is a creek. Dante would like to enclose a rectangular area, using the creek as one side and fencing for the other three sides, to create a pasture. If there is 720 feet of fencing available, what is the maximum possible area of the pasture?
*Friday, November 13, 2015 by ashlee*

**Math**

A ladder is against a wall such that the base is 6 ft away from the wall. If the distance up the wall is 3 ft shorter than the length of the ladder, how long is the ladder?
*Friday, November 13, 2015 by Kia*

**math**

Paving cost is $10.30 per square yard. find the total cost of paving the shaded area in figure 27-21. Round the answers to nearest ten dollars. 170'-0" Radius 92'0 256'-0" is the shaded area
*Friday, November 13, 2015 by jackie*

**Math I do not under stand**

75 70 = 84,000 I do not think it right I really need help 5*0=0 0*70=0 70*5=350 70*70= 4,900 Please help me )-; )-;
*Friday, November 13, 2015 by Essencef*

**math**

in a class of 21 students, 1 out of every 3 students volunteer to work. What is the ratio of volunteers to non volunteers?
*Friday, November 13, 2015 by Geri*

**Math**

The sum of the digits of a two-digit number is 14. The number formed by reversing the digits is 36 more than the original number. What is the original number?
*Friday, November 13, 2015 by Rita*

**math**

Explain why the graphs of f(x) =x and g(x) =1/x are in the same quadrants over the same intervals. Does this relationship hold for m(x) = -x and n(x) = -1/x? Does this relationship hold for any function and its reciprocal function.
*Friday, November 13, 2015 by rose*

**Math**

What positive, two-digit number, when doubled and added to two, gives a sum that is the original number with its digits reversed?
*Friday, November 13, 2015 by Cara *

**Math**

Can someone check my answers when a skydiver jumps from an airplane, the distance d in feet the diver falls in t seconds before opening the parachute is given by the formula d=16t2. the formula assumes that there is no air resistance. find the time it takes a skydiver to fall ...
*Friday, November 13, 2015 by Anonymous*

**math**

a 20 m by 15 m lawn is surrounded by a concrete path 2.5 m wide. Find the area of the a) lawn b) lawn and path c) path
*Friday, November 13, 2015 by shs*

**Math**

Need to find out how many answers I got correct out of 40 questions. I ended with a zero at the end .5 points were given fr the correct answer while 3oints were deducted or the wrong answer
*Friday, November 13, 2015 by Anonymous*

**math**

Roman has 36 sticks between 2 boxes. Boxes always have a set number of sticks in them.If he had 5 boxes,how many sticks would Romeo have?
*Friday, November 13, 2015 by Aleisha *

**Math **

Jerry is currently paid $567 for working a 45 hour week. His weekly salary is to be increased by 10% but his hours are to be reduced by 10%. Calculate the change from his old hourly rate of pay to his new hourly rate of pay.
*Friday, November 13, 2015 by Howayda*

**Math 141**

Two cards are drawn from a well-shuffled deck of 52 playing cards. Let X denote the number of aces drawn. Find P(X = 0). (Round your answer to three decimal places.)
*Friday, November 13, 2015 by Katie*

**Math **

Which of the following exponential functions goes through the points (1, 6) and (2, 12)? A.f(x)= 3(2)^x B.f(x)= 2(3)^x C.f(x)= 3(2)^-x D.f(x)= 2(3)^-x
*Friday, November 13, 2015 by Kayla*

**math**

Marco is studying a type of mold that grows at a fast rate. He created the function f(x) = 345(1.30)^x to model the number of mold spores per week. What does the 1.30 represent? How many mold spores are there after 4 weeks? Round your answer to the nearest whole number A.1.30 ...
*Friday, November 13, 2015 by Kayla*

**Math**

Examine the diagram. A piston rod, PQ, is connected to a wheel at P and to a piston at Q. As P moves around the wheel in a counterclockwise direction, Q slides back and forth. there's a unit circle. origin to intersection at (1,0) is point P. Extending beyond the edges of ...
*Friday, November 13, 2015 by Kenny*

**math**

A cyclinder cooling tank has an outside diameter of 6.00 ft. the wall on all sides are 5.00in thick and the tank is 10.0ft tall. how many gallons of water will this tank hold?
*Friday, November 13, 2015 by william*

**Math**

Suppose just go is selling magazine subscriptions each of the scription cost $20 the company pays the school half of the total sales in dollars the school must also pay a one time fee of $18 right and solve any Quetion to determine the fewest number of the scription that can ...
*Friday, November 13, 2015 by Kayla*

**Math**

The current, I, in amperes, for an electric circuit is given by the formula I=4.3sin120(pi)t, where t is time, in seconds. a)At what time is the current at its max volume? How does your understanding of co terminal angles help in your solution? b)What time is the current at ...
*Friday, November 13, 2015 by Bethany*

**Math**

Scores on a test are normally distributed and have a mean of 75 and a standard deviation of 4.2. What score does a student need in order to rank in the top 20%?
*Friday, November 13, 2015 by Nakita*

**Math **

Belinda used her calculator to find the decimal for the fraction 21/28, When she entered 21/28 the calculator gave an answer that looked familiar. Why do you think she recognized it.
*Friday, November 13, 2015 by Eli Nelson *

**math**

Theater Total Value of Ticket Sales A $1,600 B $2,000 C $1,800 D $4,800 E $3,200 The table above shows the total value of the ticket sales for an afternoon show in each of five movie theaters. There were 300 tickets that were sold for each theater. The tickets cost $8 for each...
*Friday, November 13, 2015 by Drew*

**Math**

Can someone check my answers when a skydiver jumps from an airplane, the distance d in feet the diver falls in t seconds before opening the parachute is given by the formula d=16t2. the formula assumes that there is no air resistance. find the time it takes a skydiver to fall ...
*Thursday, November 12, 2015 by Anonymous*

**math**

A lap pool is going to be built that is 20 times long as it is wide. The builder has 150 feet of decorative tile to place along the perimeter of the pool. What are the dimensions of the pool?
*Thursday, November 12, 2015 by Jodie*

**math**

18 pieces of candy give 1/6 to 5 friends how many did each get
*Thursday, November 12, 2015 by ninnie*

**math**

ruth bought 18 pieces of candy. he gave 1/6 of apples to each of his 5 friends how many apples did each friend get
*Thursday, November 12, 2015 by ninnie*

**Math**

Check my answer? As estimate for square root 47 is between _____________ 1: 4 and 5 2: 5 and 6 3: 6 and 7 4: 7 and 8 Is the answer 6 and 7?
*Thursday, November 12, 2015 by Anonymous*

**math**

A cyclinder cooling tank has an outside diameter of 6.00 ft. the wall on all sides are 5.00in thick and the tank is 10.0ft tall. how many gallons of water will this tank hold?
*Thursday, November 12, 2015 by william*

**math**

A rectangle piece of gold has dimensions 0.3125in. by 18.0in by 15.0 in what is its total surface area? if gold weighs 0.698lb/in3, determine its weight.
*Thursday, November 12, 2015 by william*

**math help one question**

Identify the form of this equation 5x+4y=8
*Thursday, November 12, 2015 by Bye*

**tech math**

Each cylinder bore of a cylinder engine has a diameter of 2.50in. and a height of 4.90 what is the combined total surface area of all four cylinder?
*Thursday, November 12, 2015 by william*

**math**

Which special version of the Pythagorean Theorem can you use to find the length of any square's diagonal, d, using only the length of its side, s? is this a^2+b^2=c^2?
*Thursday, November 12, 2015 by amber*

**Math**

Identify the form of this equation 5x+4y=8
*Thursday, November 12, 2015 by Bye*

**Math**

30 g services nag of a certain breakfast cereal has 0.5 g of salt . How much salt would that be in milligrams
*Thursday, November 12, 2015 by Mit*

**Math **

The top and bottom margins of a poster are 8 cm and the side margins are each 9 cm. If the area of printed material on the poster is fixed at 382 square centimeters, find the dimensions of the poster with the smallest area.
*Thursday, November 12, 2015 by domingo*

**Math **

A manufacture has been selling 1400 television sets a week at $450 each. A market survey indicates that for each $14 rebate offered to a buyer, the number of sets sold will increase by 140 per week. a) Find the function representing the demand p(x) , where x is the number of ...
*Thursday, November 12, 2015 by jeff*

**Math **

The blood vascular system consists of blood vessels (arteries, arterioles, capillaries, and veins) that convey blood from the heart to the organs and back to the heart. This system should work so as to minimize the energy expended by the heart in pumping the blood. In ...
*Thursday, November 12, 2015 by jeff*

**Math**

How can you use two-step equations to represent and solve real-world problems?
*Thursday, November 12, 2015 by Hunter*

**Math homework**

There are caps in a box. 1/6 are red, 1/3 are blue, and 3/7 of the remainder are green. There are 27 green caps, how many caps are there in total.
*Thursday, November 12, 2015 by Nathan*

**Math homework**

Kieth spends 1/6 of his savings on a magazine and 2/5 of the remainder on a storybook. What fraction of his savings is left?
*Thursday, November 12, 2015 by Nathan*

**Math**

A Gardner adds 3.5 oz of plant food to 2 gallons of water. The amount he was supposed to add is 4 oz. what is the percent error in mixing the plant food
*Thursday, November 12, 2015 by Joseph*

**math**

Is there Distribute Property of Division over addition or subtraction? I have all ready have the information for Multiplication and can you please help as soon as possible as I have a test on this tomorrow!! Thank you.
*Thursday, November 12, 2015 by Sasha *

**math **

A photo measures 10cm by 8cm. if you wish to increase each picture of the side uniformly by such that the area increased by 75%, what will the new dimensions be
*Thursday, November 12, 2015 by Francesco *

**math**

Find two positive numbers such that the sum of the first and twice the second is 100 and their product is a maximum.
*Thursday, November 12, 2015 by anon*

**Math**

A farmer has 54m of fencing with which to build two animal pens with a common side. one pen is rectangular; the other is square. if the area of the pens is to be maximized, what are their dimensions?
*Thursday, November 12, 2015 by Austin*

**math**

How do you round 6 and 1/2
*Thursday, November 12, 2015 by gvfgnbfgbctbv*

**Math **

A street light is at the top of a 16 ft tall pole. A woman 6 ft tall walks away from the pole with a speed of 8 ft/sec along a straight path. How fast is the tip of her shadow moving along the ground when she is 30 ft from the base of the pole? How fast is the length of her ...
*Thursday, November 12, 2015 by jeff*

**Math**

Is there another number that has the prime factorization 2x5 to the six power
*Thursday, November 12, 2015 by Rosangela*

**Math **

A manufacture has been selling 1400 television sets a week at $450 each. A market survey indicates that for each $14 rebate offered to a buyer, the number of sets sold will increase by 140 per week. a) Find the function representing the demand , where is the number of the ...
*Thursday, November 12, 2015 by sarm*

**Math **

The blood vascular system consists of blood vessels (arteries, arterioles, capillaries, and veins) that convey blood from the heart to the organs and back to the heart. This system should work so as to minimize the energy expended by the heart in pumping the blood. In ...
*Thursday, November 12, 2015 by sam*

**Math **

An airplane flys at a constant altitude of 2 miles and a constant speed of 600 miles per hour on a straight course that will take it directly over a kangaroo on the ground. How fast is the angle of elevation of the kangaroo's line of sight increasing when the distance ...
*Thursday, November 12, 2015 by John*

**math **

A company logo has 4 concentric circles suppose you graph the points (diameter,circumference ) and connect them with a line. In terms of (pie), what is the slope of the resulting line.
*Thursday, November 12, 2015 by logan *

**math**

Is question multiplication or adding. Leoard read 85 Pages per day for 78 Days.How much did he read altogether?
*Thursday, November 12, 2015 by Mackenzie*

**Math**

What is 50x50=?
*Thursday, November 12, 2015 by stephania*

**Math**

Karl's scores on the first five science tests are shown in the table. Test 1 Test 2 Test 3 Test 4 Test 5 85 84 90 95 88 Part A. Write am inequality that represents how to find the score he must receive on the sixth test to have an average score of more than 88. Part B. ...
*Thursday, November 12, 2015 by Wendy*

**Math**

A 12 pack of cinnamon scented pencils sells for 3.00 at a school booster club sale. What is the sales tax rate if the total cost of the pencils is 3.21?
*Thursday, November 12, 2015 by Anonymous*

**Math**

how would I solve this on a graph? -3x-2y=18 and 3x-y=0 how would my equations look? y=-9+-3/2x y=0+3x correct?????
*Thursday, November 12, 2015 by Alea*

**Math**

Each morning, the baker gets up early to bake products for the shop to sell throughout the day. He likes to have 36 boxes of each item available in the shop. How much of each item will he need to bake? (Remember to use equations with a letter standing for the unknown quantity...
*Thursday, November 12, 2015 by Paul*

**Math**

solve by graphing x-2y=8 and x+2y=0 x=8+2y points (10,1), (12,2)would be graphed x=0-2y points (-2,1), (-4,2)would be graphed to form a slope i got the graphing correct but what would be the solution...how would i write it?
*Thursday, November 12, 2015 by Alea*

**Math **

A pack of cinnamon-scented pencils sellaell for $4.00.What is the sales tax rate if the total cost of pencils is $4.32?
*Thursday, November 12, 2015 by Jadyn*

**Math**

1. Write the following ratio in simplest form: 32 min:36 min 8:9 8:36 32:9 128:144 2. Marie saved $51. On Wednesday, she spent $8 of her savings. What ratio represents the portion of her total savings that she still has left? 43:8 8:51 43:51 59:51 3. The price of 8.4 ounces of...
*Thursday, November 12, 2015 by Anonymous*

**Math**

Jamal is making pancakes. He has 6 and three fourth cups of batter, but he needs a total of 12 cups. How much more batter does Jamal need? How do I go about figuring the above problem out?
*Thursday, November 12, 2015 by Patrick*

**Math**

I am confused on how to compare 400pt. 100 gal How do I figure out which is greater or less than when it comes to pt and gallons?
*Thursday, November 12, 2015 by Patrick*

**Math**

I have a bunch of math problems I desperately need help with. It is conversion. 1. 192 fl oz = pt 2. 15 pt= c 3. 240 fl oz= c 4. 32 qt = gal 5. 10 qt= c 6. 48 c = qt 7. 72 pt = gal 8. 128 fl oz= pt Please help me with the above. I do not know what I am doing. Teach me what is ...
*Thursday, November 12, 2015 by Patrick*

**Math**

A movie store sells DVDs for $11 each. What is the cost C of n DVDs? Identify the situation as discrete or continuous. a. C=11n;continuous*** b. C=11+n;discrete c. C=11+n;continuous d. C=11n;discrete
*Thursday, November 12, 2015 by Kaai97*

**math**

an isolation triangle has a base of 6 units and a height of 12 units. find the maximum possible area for a rectangle that is inscribed in the triangle and has one side resting on the base of the triangle. what are the dimensions of the rectangle of maximum area?
*Thursday, November 12, 2015 by Anonymous*

**math**

the mean on the SAT verbal test is 505 with a standard deviation of 111. Assume the variable is normally distributed. Find the probability that the test scores are less than 600
*Thursday, November 12, 2015 by blaire*

**Math**

A movie store sells DVDs for $11 each. What is the cost C of n DVDs? Identify the situation as discrete or continuous. a. C=11n;continuous*** b. C=11+n;discrete c. C=11+n;continuous d. C=11n;discrete
*Thursday, November 12, 2015 by Kaai97*

**Math**

A function's graph may include solutions that do not appear in its table of values. a. true*** b. false
*Thursday, November 12, 2015 by Kaai97*

**math**

In a basketball game, one team's score is two points less than half the other team's score, which is x. What is the difference in the scores?
*Thursday, November 12, 2015 by Anonymous*

**Math**

Help me! T~T How do you subtract with algebra?
*Thursday, November 12, 2015 by Audrey*

**Math**

Jesse played two days of golf. On the second day, he got a score of 6 below par, or -6. His total for the two days was 0 above par, or 0. Define a variable. Then write and solve an equation to find the score Jesse got on the first day. Show your work.
*Thursday, November 12, 2015 by Anonymous *

**math **

1. If the legs of a right triangle have length 6 inches and 8 inches, what is the length of the hypotenuse in inches? (1 point) 11 13 10 16
*Thursday, November 12, 2015 by unknown*

**math**

According to Curcio and Schwartz, which of the following statements is true?
*Thursday, November 12, 2015 by Anonymous*

**Math**

Suppose you are driving to visit a friend who lives far away. You are driving at an average rate of 55 miles per hour. You must drive a total of 295 miles. If you have already driven 20 miles, how long will it take you to reach your destination? A) 2 hours B) 5 hours* C) 3 ...
*Thursday, November 12, 2015 by Anonymous *

**math**

of the 200 eighth-graders,70 are going on the class field trip.what percent of the eighth grade is going on the field trip A 35% B 40% C 65% d 70% i can't find the answer?
*Thursday, November 12, 2015 by need help*

**Math**

Find the total amount saved on interest by refinancing
*Thursday, November 12, 2015 by Anonymous*

**Math**

Nico is saving money for his college education. He invests some money at 8%, and $1900 less than that amount at 7%. The investments produced a total of $257 interest in 1 yr. How much did he invest at each rate?
*Thursday, November 12, 2015 by G*

**math**

K/5 greater than or less than -4
*Thursday, November 12, 2015 by coollll*