Saturday

June 25, 2016
**Math**

What is the lateral area of a regular pentagonal pyramid that has a slant height of 18 in. and a base side length of 9 in.? 405 in.^2 810 in.^2 81 in.^2 162 in.^2 I don't know how to do this:/ Please help?
*Friday, May 6, 2016 by SkatingDJ*

**math**

Two cars started at sunrise and travelled at a constant speed,one from city A to city B and the other from city B to city A on the same highway.They met at noon and without stopping and arrived respectively at city B at 4 p.m. and at A at 9 p.m. required:determine the sunrise ...
*Friday, May 6, 2016 by Blodwick*

**Math**

Suppose you have two similar rectangular prisms. The volume of the smaller rectangular prism is 343 in^3 and the volume of the larger rectangular prism is 1,000 in^3. What is the scale factor of the smaller figure to the larger figure? 3:5 1:3 7:10 18:25 I don't know, I ...
*Friday, May 6, 2016 by SkatingDJ*

**Math Help Please**

List a repeating decimal that is equal to an integer. I have 0.999 because if you divide it by 9's its equal to 1, 999/999=1 Also I thought of -0.999 that is equal to -1 But I can't think of another one can you please help ? Please
*Friday, May 6, 2016 by BT*

**Math**

hello, I'm trying to find the derivative of: y= 1+cos (x) / sin (x) thank you! :)
*Friday, May 6, 2016 by Jenna*

**Math asap**

2.David wants to build a pen for his goat. He wants the area of the pen to be 48 square feet. If the length and width of the pen are whole numbers, which of the following could be the perimeter of the pen? A.P = 26 ft B.P = 28 ft C.P = 30 ft D.P = 36 ft 3.A rectangular rug is ...
*Friday, May 6, 2016 by Jeanie Troy*

**math**

1 side of the square is 0.25 KM is the area of the square 6.25 KM squared? true or false? explain your answer
*Friday, May 6, 2016 by lolol*

**MATH Please Help Please**

Algebra 2 There is a graphs of the sequence f(n)=2n-3 and a graph of the function f(x)=2x-3 What difference exist between the two graphs? What accounts for the differences between the graphs in terms of domain and range? Help please I don't understand
*Friday, May 6, 2016 by Brenda*

**Math 3**

How many times bigger is 8*10^6 than 2*10^2?
*Friday, May 6, 2016 by Chris*

**Math (Ms. Sue)**

A coin tossed. If heads appears, a spinner that can land on any number from 1 to 4 is spun. If tails appears, a second coin is tossed instead of spinning the spinner. What are the possible outcomes? H1 H2 H3 H4 H1 H2 H3 H1 H2 H3 H4 TH TT HH TH
*Friday, May 6, 2016 by FluttershyK22*

**Math (Ms. Sue)**

A lunch menu has 4 different sandwiches, 2 different soups, and 5 different drinks. How many different lunches consisting of sandwhich, soup, and drink can you choose? 10 11 40 13
*Friday, May 6, 2016 by FluttershyK22*

**Math asap**

this diagram shows the dimensions of a rectangular tabletop. find the perimeter of the rectangle. A.P=11 ft B.P=18 ft C.P=20 ft D.P=22 ft
*Friday, May 6, 2016 by Emma Empossible*

**Math**

I am completely lost on this one. How do I figure out what each letter stands for? Find all the solutions for this problem. each different letter stands for a different digit. letters that are the same stand for the same digit. ONE + ONE = TWO
*Friday, May 6, 2016 by Mike*

**math**

Jillian has $50 that she plans on investing in an account that will double her money every week. This can be represented by the equation M = 50(2)x where M represents the amount of money she has and x represents the number of weeks that have passed. Her uncle Charlie gives her...
*Friday, May 6, 2016 by Ryne*

**MATH HELP PLEASE**

1. x^9/x^2 a.x^11 b.x^7*** c.7 d.x^5 2.h^14/h^5 a.h^-9*** b.1/h^9 c.h^19 d.h^9 3.4^4/4^6 a.-16 b.16 c.1/16*** d.-1/16 4.5^0 a.0*** b.5 c.1 d.-5 5.7^4/7^2_____49 a.<*** b.> c.= d. none of the above 6.-2r(8r+5) a.-16r^2+5 b.-16r^2+10*** c.-16r^2-10r d.-16r^2-10 7.2a(a^2+4a...
*Friday, May 6, 2016 by Connexus*

**Math**

Which data set does the box plot represent?
*Friday, May 6, 2016 by annika miller*

**Math**

If a 2-inch pipe will fill a tank in 6 hours, how long will it require for a 3-inch pipe to fill it?
*Friday, May 6, 2016 by Laurie*

**math**

A certain sum is deposited in a bank which gives compound intrest at certain rate. The intrest on the amount is rs.440. In the first 2 years and rs.728 in the first 3 years what is the rate of interest per annum.
*Friday, May 6, 2016 by phani *

**Math**

How can you find the distance of each number from the mean? 50,56,52,46,48,42,38 Im not sure so please help.
*Friday, May 6, 2016 by LOVE*

**Math **

What is 10*10? A) 2 B) 26 C)20 D) 100
*Friday, May 6, 2016 by Pieisgoot*

**Math**

A bowl has red,green and blue marbles.There are 95 red marbles.the nuber of blue marbles is 5 timesthe number of green mables altogether red and green marbles are 189 less then blue marbles .how may marbles are there in total
*Friday, May 6, 2016 by Adam*

**Math**

Find all of the solutions for this addition problem. Each different letter in the puzzle stands for a different digit. Letters that are the same stand for the same digit. Remember to include all of the criteria from the guidelines. ONE + ONE = TWO
*Friday, May 6, 2016 by Sarah*

**math**

What two numbers multiply to 42 and add to 3
*Friday, May 6, 2016 by Anonymous*

**math**

suppose there 10 marbles in a bag and 3 of them are defective.Two marbles are to be selected one after the other without replacement.What is the probability of selecting a defective marble followed by another defective marble?
*Friday, May 6, 2016 by Tamiru*

**Urgent =Math**

Tell whether this survey describes a good sample and if so, name the method of sampling used. A phone company randomly calls 6 names from the phone book to find whether the person is satisfied with the phone service. yes, random yes, systematic***** yes, stratified not a good ...
*Friday, May 6, 2016 by Monica*

**Urgent =Math**

17. Tell whether this survey describes a good sample and if so, name the method of sampling used. Every sixth person leaving a restaurant is surveyed to determine their favorite food from the menu. yes, random******** yes, systematic yes, stratified not a good sample 18.Tell ...
*Friday, May 6, 2016 by Monica*

**math**

A!@#$%^&roach traveling 2 feet per second takes how long to scurry a distance of 46 feet?
*Friday, May 6, 2016 by Anonymous*

**Math**

Mandy runs 4 km in 18 minutes if she planes to run in a 15 km race how long will it take her to complete the race
*Friday, May 6, 2016 by Karla*

**math**

If 2 inches on a map represents 125 miles then how far apart are 2 cities that are 5/8 inch apart.
*Friday, May 6, 2016 by kathy*

**math**

Divide -3x^3 - 2x^2 - x - 2 by x – 2. A. -3x2 - 8x - 17, R –36 B. -3x2 + 4x + 15, R 32 C. -3x2 + 4x + 15 D. -3x2 - 8x - 17 I'm sure it's either B or C, can someone help?
*Friday, May 6, 2016 by emily*

**Math CHECK MY ANSWER**

1. You mix the letters S, E, M, I, T, R, O, P, I, C, A, and L thoroughly. Without looking, you draw one letter. Find the probability that you select a vowel. Write your answer as a fraction in simplest form. A. 12/5 ** b. 5/12 c. 1/3 d. 7/12
*Friday, May 6, 2016 by Layla*

**Math**

A man start from point A and walks 5km east to B. He then walks 7km on a bearing of 162 degree to reach point C. Find the bearing and distance of C from A
*Friday, May 6, 2016 by Khalid*

**math**

Kate Davidson signed a simple discount note for $9,000. The discount rate is 5%, and the term of the note is 18 months. What is the annual percentage yield (APY)?
*Friday, May 6, 2016 by Angie*

**math**

Israel signed a simple discount promissory note for $15,000. The discount rate is 7.5%, and the term of the note is 120 days. What are Israel’s proceeds on the loan?
*Friday, May 6, 2016 by Angie*

**math**

Alicia borrowed $8,500 at 6% ordinary interest for 180 days. After 40 days, she made a partial payment of $2,000. After another 70 days, Alicia made a second partial payment of $2,000. What is the final amount due on the loan?
*Friday, May 6, 2016 by Angie*

**math**

Webster Digital received a promissory note of $8,000 for 9 months at 7% simple interest from one of its customers. After 4 months, the note was discounted at Bank of Aventura at a discount rate of 10%. What are the proceeds Webster Digital will receive from the discounted note?
*Friday, May 6, 2016 by Angie*

**College Math**

James bought 24 bolts at the hardware store for a total of $9.00. Some were 3−inch bolts that cost 36 cents each and the others were 4−inch bolts that cost 42 cents each. How many 3−inch bolts did James buy?
*Friday, May 6, 2016 by Victoria*

**math**

What is the annual percentage yield (APY) of a simple discount note for $7,000 at a bank discount rate of 6%, for 3 months?
*Friday, May 6, 2016 by Angie*

**Math**

Rob had a pitcher containing 2 liters of lemonade. He poured an equal amount of lemonade into 14 glasses. How much lemonade was left over in the pitcher? 14/2000=142 r 12
*Friday, May 6, 2016 by Terri*

**math**

seven horses are entered in a race. If two horses are tied for first place, and there are no ties among the other five horses, in how many ways can the seven horses cross the finish line?
*Friday, May 6, 2016 by sarah*

**math**

horses are entered in a race. If two horses are tied for first place, and there are no ties among the other five horses, in how many ways can the seven horses cross the finish line?
*Friday, May 6, 2016 by sarah*

**Math**

What is the greatest common factor you can use to simplify the ration 85:51
*Thursday, May 5, 2016 by Jennifer*

**math**

Tasha and Lee played a series of games against each other. Tasha won three more than twice as many games as Lee. Lee won 15 games. Find the probability that Tasha won a game
*Thursday, May 5, 2016 by Anonymous*

**Math**

To the nearest tenth of a centimeter, what is the length of the hypotenuse of a right triangle with leg lengths of 5 cm and 6 cm?
*Thursday, May 5, 2016 by Elijah*

**Math**

Find the perimeter and the area of the rectangle. I cant upload pics. Its a rectangle with 12cm at the bottom and theres a diaganal line going through and its 15cm Perimeter: 54 cm, Area: 180 cm^2 Perimeter: 54 cm, Area: 108 cm^2 Perimeter: 42 cm, Area: 180 cm^2 Perimeter: 42 ...
*Thursday, May 5, 2016 by Amy Pond*

**math**

On the first two days of Mark's vacation, the weather forecaster reports a 25% chance of rain. On the third day of his vacation, Mark is faced with a 50% chance of rain. What is the probability that Mark will have three straight days of rain?
*Thursday, May 5, 2016 by Anonymous*

**math**

The first term of a geometric sequence is 9 and the common ratio is -1 over 3. find the fourth term
*Thursday, May 5, 2016 by Anonymous*

**math**

Sharif wants a new winter coat that retails for $156.99, it is on sale for 80% of the regular price. What is the sale price of the coat? my answer: $45.59
*Thursday, May 5, 2016 by Please check my answer*

**Math**

Ruth is putting up a framed map of South America in her room. She wants it exactly halfway between her door and her closet, which are 6.5 feet apart. If the map is 23 inches wide, how far will its sides be from the door and closet?
*Thursday, May 5, 2016 by Unknown *

**math- geometry**

I will try and explain this since I can't draw the picture that went with this question. A circular glass overlay was placed on the top of a circular table. Find the area of the shaded region, rounding to the nearest tenth. The shaded region is the part of the table ...
*Thursday, May 5, 2016 by sara*

**math**

find the function rule x -2 -1 0 1 2 y 9 4 -1 -6 -11
*Thursday, May 5, 2016 by ginger*

**math-**

-10x+4+y=4 use the function rule to complete the table x -2 -1 0 1 2 y _ _ _ _ _
*Thursday, May 5, 2016 by ginger*

**Math**

A nurse at a school is having a poster contest. The nurse sayS the size of the rectangular poster must be 72 square inches. Each side of the poster has to measure in whole inches. What are all the possible sizes of the poster board the nurse can cut to have ready?
*Thursday, May 5, 2016 by Naftale *

**math**

If a note has a frequency of 220 Hz, find the frequencies of the notes one, two, and three octaves higher.
*Thursday, May 5, 2016 by Shenika Jackson*

**Math**

Is it possible to have a semiregular tessellation using 2 pentagons and 4 decagons?
*Thursday, May 5, 2016 by CHRIS gOULD *

**Math**

1. Given one side of a golden rectangle is 3.7 inches, find the possible lengths of the other side. Notice that the other side can be either longer or shorter than 3.7 inches. Round your answers to the nearest tenth and useGreek Phi normal.=1.618.
*Thursday, May 5, 2016 by BOBBY WALKER PLEASE HELP*

**math 21**

xy-x+y=0 please answer this for me
*Thursday, May 5, 2016 by Earl John*

**Math**

Adam made 19 paper cranes Monday and 8 more Tuesday He gave 9 friends an equal number of cranes. How many cranes did each friend receive? Explain
*Thursday, May 5, 2016 by Vickie*

**Math**

If y=8 when x=4,find y when x=5
*Thursday, May 5, 2016 by John*

**Math**

A mas key shows that every 5 in ches on the más representa 200 miles of actual distance. Su pose the distance between two cities on the map is 7 inches. What is the actual distance between the two cities? Write the rule you uses to find the actual ditance.
*Thursday, May 5, 2016 by Jamillet*

**Math help (emergency)**

How many 2-digit numbers can be formed using only the digits 2, 3, 5, and 6. if the digits are not repeated within a number? 11 12 10 2
*Thursday, May 5, 2016 by FluttershyK22*

**Math (help)**

A coin is tossed, and a standard number cube is rolled. What is the probability that the coin shows heads and the number cube shows an even number? 1/6 1 1/4 1/2
*Thursday, May 5, 2016 by FluttershyK22*

**math**

a cyclindrical water storage tank contains 2187 cubic units of water. All the water is pumped equally into 3 congruent cubic coolers. What is the minimum length that each coller need to be?
*Thursday, May 5, 2016 by lisa*

**math**

a cross section of a basement is shaped like a trapaziod. it has an area of 37.4 square meters, one base is 6.4 meters and the other base is 12.3 meters long. what is the height of the cross section? is it 18.7 or 2? or am i wrong?
*Thursday, May 5, 2016 by maya*

**math**

when will -5(x+2) = 0? I don't know what to do for this
*Thursday, May 5, 2016 by gabi*

**5th grade math**

If y is less than twice x , and x is 15. What is y
*Thursday, May 5, 2016 by Kezia*

**math**

write each expression using a single exponent please help 1.a^5/a^3 2.x^9/x^5 3.c^7/c^2 4. (-1)^5/(-1)^4
*Thursday, May 5, 2016 by lisa*

**math**

in the 6th grade 12 out of 27 students have a pet. if there are 162 students how many would have a pet? i get 72 is that right?
*Thursday, May 5, 2016 by may*

**math**

a cross section of a basement is shaped like a trapaziod. it has an area of 37.4 square meters, one base is 6.4 meters and the other base is 12.3 meters long. what is the height of the cross section? is it 18.7 or 2? or am i wrong?
*Thursday, May 5, 2016 by maya*

**math**

An average of 1.8% of Apex Alarm systems need a battery replacement after 3 years in operation. Seventy-two battery replacements are needed in the next three years. What is the best estimate of how many Apex Alarm systems were sold?
*Thursday, May 5, 2016 by Anonymous*

**math**

calculate the area of triangleABC with the dimensions given in the diagram.A for 4cm,B and C for 2cm while C for 5cm
*Thursday, May 5, 2016 by eniola*

**MATH HELP PLZ!**

Two cell phone companies have different rate plans. Runfast has monthly charges $25 plus $10 per gig of data. B A &D’s monthly charge is $18 plus 15 per gig of data. Your task is to determine under what circumstances each company has the better pricing. You will derive ...
*Thursday, May 5, 2016 by Santana*

**math**

A sum of money is invested in a business. In each year, this investment earns 11 over 2 times as much as in the preceding year. If the investment earned a total of $29,250 in four years, how much did it earn in the fourth year?
*Thursday, May 5, 2016 by Anonymous*

**math**

If you multiply your neighbor's age by 4, add 7, divide by 3, and subtract 9, the result is 20. how old is your neighbor?
*Thursday, May 5, 2016 by Anonymous*

**math**

calculate the area of a rectangle of length 5cm and breadth 6cm
*Thursday, May 5, 2016 by eniola*

**Pre Algebra (Math)**

A certain animal can go for a long period of time without drinking water. When it does drink, its body weight can increase by 40%. Suppose the animal weighs 80 pounds after a long period without water. How many pounds can the animal gain when it drinks?
*Thursday, May 5, 2016 by Justin*

**Math**

1. What is true of a random sample A. It is only one way to sample a population B. Each member of the sample is a volenteer C. It is the easiest way to sample a population D.
*Thursday, May 5, 2016 by Lilly*

**Math**

Algebra 2 A sequence is of pyramids is created where the first pyramid has a height of 6 inches and a base area of 10 inches, for a volume of 20 cubic inches. The height of the next pyramid is twice the height of the previous pyramid. The input of the sequence is the position ...
*Thursday, May 5, 2016 by Brenda*

**math**

Trapezoid One: Has a top base of 187.5ft, a bottom base of 397.5ft, and a height of 165ft. I got the answer 48,262.5, how would i check if this is correct? Trapezoid Two: Has a top base of 397.5 ft, a bottom base of 225 ft, and a height of 225 ft as well. I got 70,031.25 ft^2...
*Thursday, May 5, 2016 by Tim*

**math **

Find the length of an arc of a circle of radius 6cm which subtends an angle of 105 degree at the Centre of the circle
*Thursday, May 5, 2016 by Anonymous*

**Math**

Hi there! How would I check if I got the area of a trapezoid correct? Is there a way to check my work? Thank you.
*Thursday, May 5, 2016 by Tim*

**math**

you spin a 6 section red spinner and a 6 section blue spinner. Find P(red less than 4 and a red 2).
*Thursday, May 5, 2016 by help me*

**math 5th grade**

The width of a picnic table is 3 times its length. If the length is 5 6 -yd long, what is the area of the picnic table in square feet? sides are 2 1/2 yd and 5/6 yard. then to find area 2 1/2 x 5/6 = 2 5/12 y2 how do I find square feet?
*Thursday, May 5, 2016 by paul*

**Math ---HELP!!!!!**

Decide which of the described variables is/are likely to have a normal or near-normal distribution. a) The heights of corn stalks in one row of corn that is half a mile long b) The numbers of viewers of each of the channels from 202 to 550 on Direct TV at 7:00 PM CDT on the ...
*Thursday, May 5, 2016 by angela*

**Math **

Early this spring researchers have recently discovered that there is one small remnant population of endangered bluegrass left in a small prairie plot outside of Kansas City. If there are approximately 850 individuals in the cohort, how many individuals can the researchers ...
*Thursday, May 5, 2016 by Anonymous*

**Math**

You run a small furniture business. You sign a deal with a customer to deliver up to 500 chairs, the exact number to be determined by the customer later. The price will be $120 per chair up to 400 chairs, and above 400 the price will be reduced by $0.25 per chair (on the whole...
*Thursday, May 5, 2016 by Lucas*

**Business math**

Choose the correct answers for (a) the total installment price, (b) the carrying charges, and (c) the number of months needed to save the money at the monthly rate to buy the item for its cash price. A dinette table with a cash price of $200 at $8.50 down and $11.00 per month ...
*Thursday, May 5, 2016 by Carrie*

**math**

yesterday, lena had 55 baseball cards. Today she gave c away. using c write an expression for the number of cards lena has left.
*Thursday, May 5, 2016 by michele*

**Math**

Geoff is reading a book. On Monday he reads 1/3 of the book. On Tuesday he reads 3/10 of the remaining pages. He has 35 pages left to read. How many pages are in the book?
*Thursday, May 5, 2016 by Speakerabbit*

**Math**

–14 – ( –16 ) = ? Please help. Thank you!
*Thursday, May 5, 2016 by Help!*

**Math ---HELP!!!!!**

The mean score on the exit examination for an urban high school is 63 with a standard deviation of 9. What is the standard deviation of the distribution of sample means with a sample size of 9? A. 2 B. 3 C. 4 D. 4.1 answer B
*Thursday, May 5, 2016 by angela*

**Math ---HELP!!!!!**

If light bulbs have lives that are normally distributed with a mean of 2500 hours and a standard deviation of 500 hours, approximately what percentage of light bulbs has a life of more than 3000 hours? A. About 84% B. About 68% C. About 32% D. About 16% Answer B
*Thursday, May 5, 2016 by angela*

**Math ---HELP!!!!!**

A study of the amount of time it takes a mechanic to rebuild the transmission for a 1992 Chevrolet Cavalier shows that the mean is 8.4 hours and the standard deviation is 1.77 hours. Assume that a random sample of 40 mechanics is selected and the mean rebuild time of the ...
*Thursday, May 5, 2016 by angela*

**Math ---HELP!!!!!**

The amount of Jen’s monthly phone bill is normally distributed with a mean of $50 and a standard deviation of $10. Find the 25th percentile. A. About $46.30 B. About $43.30 C. About $43.40 D. about $43.20 Answer : B---43.30
*Thursday, May 5, 2016 by angela*

**Math ---HELP!!!!!**

Decide which of the described variables is/are likely to have a normal or near-normal distribution. a) The heights of corn stalks in one row of corn that is half a mile long b) The numbers of viewers of each of the channels from 202 to 550 on Direct TV at 7:00 PM CDT on the ...
*Thursday, May 5, 2016 by angela*

**Math ---HELP!!!!!**

light bulbs have lives that are normally distributed with a mean of 2500 hours and a standard deviation of 500 hours, use the 68-95-99.7 rule to approximate the percentage of light bulbs having a life between 2000 hours and 3500 hours? A. About 13.5% B. About 50% C. About 68...
*Thursday, May 5, 2016 by angela*

**Math ---HELP!!!!!**

If light bulbs have lives that are normally distributed with a mean of 2500 hours and a standard deviation of 500 hours, what percentage of light bulbs have a life less than 2500 hours? A. About 25% B. About 50% C. About 75% D. About 68% Answer B
*Thursday, May 5, 2016 by angela*

**math**

determine which ordered pair is a solution of y=2x-3.
*Thursday, May 5, 2016 by anna*

**math**

There were 35 gallons of water in a tank and 4.5 gallons of water in a pail. An equal amount of water was poured into a tank and the pail. The ratio of the water in the tank to the pail became 7:2. a) How much water was in the pail in the end? b) How much water was poured into...
*Thursday, May 5, 2016 by Emilyyyyyyyyyyy*

**math**

The figure below is not drawn to scale. The ratio of the triangle ABC to the area of triangle DEC to the area of the triangle FGH is 7:5:3. If 20% of the area of triangle DEC is shaded, what percentage of the figure is unshaded?
*Thursday, May 5, 2016 by Emilyyyyyyyyyyy*