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July 10, 2014

Homework Help: Math

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Recent Math Questions

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Math
If the number of rabbits triple every year, how many rabbits will there be after 6 years if you start off with 2? This is what I have so far: (2x3)^6 I got 46,656 for my answer but it doesn't seem like a realistic answer for the question
Monday, June 2, 2014 at 11:46am

Math
A bag contains the two tiles shown. One tile is drawn at random from the bag. The tile is returned to the bag and again a tile is drawn from the bag. What is the sample space for this experiment? A. {L, M} B. {LL, LM, MM} C. {LL, LM, ML, MM} D. {L}
Monday, June 2, 2014 at 11:05am

Math
Writing a Linear Equation You are given the 2012 value of a product and the rate at which the value is expected to change during the next 5 years. Use this information to write a linear equation that gives the dollar value V of the product in terms of the year. (Let t=12 ...
Monday, June 2, 2014 at 10:27am

math
fifteen less than four times seven
Monday, June 2, 2014 at 7:17am

Algebra Math
Please put this into an equation problem= Chuck has 8.25 gigabytes on his hard drive. Chuck wants to load 3 movies in the drive that take up 3.6,2.8, and 4.1 gigabytes each. To make room for the movies, Chuck plans to delete a 2.3 gigabyte movie. Does Chuck have enough space ...
Monday, June 2, 2014 at 6:51am

algebra math
Equation problem for - the ratings for the tv show I Want to Be a Rockstar dropped a total of 9 points in 6 weeks. What national number represents the average change in points per week?
Monday, June 2, 2014 at 6:36am

Math
An aircraft which is maintaining a constant altitude of 1000 meters is travelling directly away from an observer. At a particular instant the sngle of elevation is 52 degrees and 12 seconds later the angle of elevation is 16 degrees. Find the distance travelled in this time. (...
Monday, June 2, 2014 at 3:39am

Math
what is the percent grade of a hill that rises to an elevation of 1500 m with a run of 16 km?
Monday, June 2, 2014 at 12:59am

Math
What is the slope of a line that goes through the points (4, 8) and (15, 23)?
Monday, June 2, 2014 at 12:58am

math
Edward is buying a pair of shoes. The shoes originally cost $45. If the shirt is marked down 30% what is the new price of he shirt?
Monday, June 2, 2014 at 12:06am

helppppp math helppp!
the fernrod motorcycle company invested 250,000 at 4.5% compounded monthly to be used for the expansion of their manufacturing facilities. how much money will be aviable for the project 3.5 years?
Sunday, June 1, 2014 at 11:34pm

algebra
In a math competition, contestants recieve 8+ points for every correct answer and -5 for every incorrect answer. Boris has 23 correct answers and 5 incorrect answers; bridget has 32 correct answers and 19 incorrect. Who has the higher score?
Sunday, June 1, 2014 at 10:56pm

algebra math!
Equation problem for - the ratings for the tv show I Want to Be a Rockstar dropped a total of 9 points in 6 weeks. What national number represents the average change in points per week?
Sunday, June 1, 2014 at 10:53pm

Math
Hannah made 0.7 of her free throw in a basketball game,abra made 9/10 of her free throws,dena made 3/4 of her free throws,who was the best shooter and explain why you say so
Sunday, June 1, 2014 at 10:50pm

math 221 intro to algebra
When looking at the example of the slideshow, Equivalent Fractions, which is located in the media section of Chapter 1, the presenter divides out the common factor of _____. (Points : 1)
Sunday, June 1, 2014 at 9:12pm

Math
Hi could you please solve this as quick as possible, thanks. A tree 34 m high cast a shadow 12 m long. The angle of the inclination of the sun is closest to: A 70 B 21 C 69 D 19 E 79 Thanks
Sunday, June 1, 2014 at 8:43pm

Math
Please write an equation for the following problem: a seagull is gliding 74 1/2 feet above the surface of water. It then dives 80 feet to catch a fish. How many feet below the surface of the water does the seagull dive?
Sunday, June 1, 2014 at 8:28pm

Math
Prove that cosec 60 degrees cot 30 degrees tan 60 degrees=2secsquared 45degrees cos 30 degree
Sunday, June 1, 2014 at 7:18pm

algebra2/ Trigonometry
A bag contains 24 green marbles, 22 blue marbles, 14 yellow marbles, and 12 red marbles. Suppose you pick one marble at random. What is each probability? A. P(yellow) B. P( not blue) C. P( green or red) Tip: High School Math
Sunday, June 1, 2014 at 7:07pm

MATH HELP!!!!
A searchlight located 200 meters from a weather office is shined directly overhead. If the angle of elevation to the spot of light on the clouds is 35°, how high is the cloud ceiling? Round to the nearest hundredth.
Sunday, June 1, 2014 at 5:29pm

Math
Let A be an event with probability P(A). If E[(IA) ^36217] = Var[2(IA + 36217)]. Find P(A)
Sunday, June 1, 2014 at 4:13pm

math
Carousel Toys has Romper Buckaroos, wooden rocking horses for toddlers, on a 30% markdown sale for $72.09. What was the original price before they were marked down? Round to the nearest cent. $
Sunday, June 1, 2014 at 2:41pm

Math
A cube has a surface area of 24 ft2. What is the length of one edge of the cube? Show Work Please.
Sunday, June 1, 2014 at 2:39pm

Math
A monument consists of two cubical blocks of granite, the smaller resting on the larger. The total height of the monument is 5 feet, and the area of the exposed surface is 61 square feet. Find the dimensions of the blocks. Help please>.< Thank you in advance!
Sunday, June 1, 2014 at 2:02pm

Math
There are 52 coins that consists of pennies, dimes, and quarters. Two stacks have the same number of coins and the third stack has twice as much. The coins equal to $5.98. How many pennies, dimes, and quarters are there? I already found out that two stacks have 13 coins and ...
Sunday, June 1, 2014 at 1:03pm

Math
Let A be an event with probability P(A). If E[(IA) ^36217] = Var[2(IA + 36217)]. Find P(A)
Sunday, June 1, 2014 at 12:06pm

math
4. What are the coefficients in the polynomial 7x^2 - 4x + 6? A. -7, 4 B. 7, 4, -6 C. 7, -4, 6 D. 7, -4 7. Suppose you earned 6t + 2 dollars on Monday and 9t - 6 dollars on Tuesday. What were the total earnings? Simplify your answer. A. 15t - 4 B. 15t + 8 C. -3t - 4 D. -3t + 8...
Sunday, June 1, 2014 at 11:44am

Math
There were 2400 people at a concert.40% of them were men, the rest were women and children.The number of women was 1 2/5 times the number of children.How many more more men than women were there?
Sunday, June 1, 2014 at 11:07am

math
What is the square feet area of 48Mtrs x 24metrs
Sunday, June 1, 2014 at 9:33am

math
A team needs to save up $400 for new uniforms and currently has $190. They decide to hold a fundraiser where they can earn $7 in profits for each item sold. What equation could be solved to determine the number, n, of items to be sold?
Sunday, June 1, 2014 at 1:27am

math(urgent)
During a Merdeka Day celebration,a furniture company marked down the price of a queen size bed by 25%,selling it for $1200. At this reduced selling price,they made a markup of 10% on the selling price. a) find the regular price of bed before marked down. b) find the cost of ...
Saturday, May 31, 2014 at 11:10pm

MATH GEO URGENT
The ratio of three consecutive angles in a cyclic quadrilateral is 2:3:4. Find the largest angle of the quadrilateral, in degrees.
Saturday, May 31, 2014 at 9:52pm

math
can you help me on this problem 12*12
Saturday, May 31, 2014 at 8:03pm

math
how much is a 1/2?
Saturday, May 31, 2014 at 7:52pm

math 1 question!!!!!!
3. Which ordered pair is NOT a solution of y= –12x – 3? A. (-3, 33) B. (8,-98)<----?? C. (-9, 105) D. (3, -39)
Saturday, May 31, 2014 at 5:55pm

math
Which is a rule that describes the translation of a point form (4, –8) to (7, –10)? A.(x,y)--->(x+34,y-2) B.(x,y)--->(x+34,y+2) C.(x,y)--->(x-34,y-2) D.(x,y)--->(x-34,y+2) My answer:B
Saturday, May 31, 2014 at 5:47pm

math pls help!!!!!
these are the few i dont know/im not sure. pls help! The distance from Newtown to Oldtown on the highway is (6x^2 + 2x – 2) miles. Using the back roads, the distance is (5x^2 – 8x – 6) miles. How many miles shorter is the second route? A. 11x^2 + 10x - 8 B. -x^2...
Saturday, May 31, 2014 at 2:14pm

Math
Rectangular cake pans X and Y are similar. The ratio of the width of pan X to the width of pan Y is 3 : 4. The length of pan X is 10 inches, and its width is 5 inches. What is the perimeter of pan Y ?
Saturday, May 31, 2014 at 2:01pm

math
6b/3a+b/a
Saturday, May 31, 2014 at 1:32pm

math
If I make 600$ every 14 seconds, how long would it take me to get 1,000,000$?
Saturday, May 31, 2014 at 11:48am

math
gail borrowed $3600 from a bank to buy a washing machine she pays back the loan in 24 monthly instalments at a simple interest rate of 2% a)calculate the simple interest on the loan b)the total amount to be repaid c)if gail repays the loan in 24 equal instalments ,find the sum...
Saturday, May 31, 2014 at 11:21am

math
a swimming pool is 60m long and 25m wide. It is filled with water to a depth of 7m. Find the volume of water in the pool.
Saturday, May 31, 2014 at 10:13am

math
The Mills Lunch Shop prepares fresh take-out entrees each day. On Tuesday, 40 baked chicken dinners were prepared at a cost of $3.20 each. A 20% spoilage rate is anticipated. Mills Lunch Shop sells the dinners at an 80% markup based on cost. They decided to offer a $1.00-off ...
Saturday, May 31, 2014 at 3:46am

math
Bridget Morrow is a sophomore at State College and is running out of money. Wanting to continue her education, Bridget is considering a student loan. Explain her options. How can she best minimize her borrowing costs and maximize her flexibility?
Saturday, May 31, 2014 at 2:38am

math
how many minutes from 11:35 am till 12:50 pm?
Saturday, May 31, 2014 at 1:08am

math
At a horizontal distance of 34 meters from the base of a tower, the angle of elevation to the top is 72 degrees. Find the line of sight distance to the nearest meter.
Friday, May 30, 2014 at 10:56pm

BUSINESS MATH
Dylan's Bicycle Shop offers a new bicycle on sale for $259.92 after a 10% markdown. What was the cost of the bicycle to Dylan if the markup was 30% based on the cost? (Round to the nearest cent.)
Friday, May 30, 2014 at 9:34pm

5th Grade Math
For their first 60 games the Robins had a record of 28 wins and 32 losses. How many of their next 90 games must they win if their total record is to show twice as many wins as losses?
Friday, May 30, 2014 at 8:52pm

Math HELP
The number of apples in an apple tree after subtracting by 6, multiplying by 6, dividing by 6, in that calculating order, equals 6. How many apples are on the tree? ________________________________________​_ Please help me with another :( There is a box of books. Alex ...
Friday, May 30, 2014 at 8:31pm

Math
Which display is best to determine the relationship between the number of hours worked and the amount of money paid?
Friday, May 30, 2014 at 6:53pm

MATH
Find the least common denominator of the two rational expressions. 4k 2 ________ + ________ k^2 - 9 3 - k
Friday, May 30, 2014 at 6:42pm

math
The distance between points A and B is 10 units. If a has coordinates (4,-6) and B has coordinates (-2,y), determine the value of y. Please show work and explain. A.-6 B.-2 C.0 D.1 E.2 This is what I got so far: 10= square root of (4-(-2))^2+(-6-(y))^2
Friday, May 30, 2014 at 3:28pm

Math
Two concentric circles have radii of 24cm and 26cm. What is the length of the chord that is tangent to the inner circle? I don't understand the tangent, like where do I draw the line?
Friday, May 30, 2014 at 2:55pm

Math
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. I'm not sure what to ...
Friday, May 30, 2014 at 2:27pm

math
43. A phone company charges 10 cents per minute for the first 3 minutes of a call, and 10-cents for each minute thereafter.What is the cost, in cents, of a 10-minute phone call? a. 200-20c b.100c+70 c. 30+7c d.100-7c e. 100-70c please answer and explain
Friday, May 30, 2014 at 1:52pm

math
When a is divided by 7,the remainder is 4.When b is divided by 3,the remainder is 2.If 0<a<24 and 2<b<8, which of the following could have a remainder of 0 when divided by 8? a. a/b b. b/a c. a-b d. a+b e. ab please answer and explain
Friday, May 30, 2014 at 1:48pm

MATH
Which of the following ordered pairs represents the solution to the system of equations below? -3x+2y=2 7x-3y=7 [8.EE.8.b] A. (2, 4) B. (4, 7) C. (7, 14) D. (8, 13)
Friday, May 30, 2014 at 1:37pm

math
what is the rate compounded every 3 months that will make $4770 become $8233 in 3 years ?
Friday, May 30, 2014 at 8:29am

Math
If $6,700 is invested at 4.6% interest compounded semi-annually, how much will the investment be worth in 15 years?
Friday, May 30, 2014 at 8:00am

Math
In a family six members eat meat; five members eat fish while two eat both. Calculate the number of members in the family. How do we solve these ones? Hints please...
Friday, May 30, 2014 at 12:51am

History,geography,math lite and tourism
I am doing grade 11 and i was wondering if you guys can help me found out which jobs i can do if im doing tourism,geography,history and math lite
Friday, May 30, 2014 at 12:17am

math
a farmer has 400 meters of fence with which to enclose a portion of land. the farmer wants to enclose a rect angular piece of ground that is as large as possible. the land is bordered by water on two sides. There are three options for the farmer Option 1) have two sides ...
Thursday, May 29, 2014 at 10:16pm

math
write a problem with lengths in feet using the numbers 29 and 56. write the answer to your problem.
Thursday, May 29, 2014 at 10:12pm

math
Jane has a piece of wood that is 24 inches long. She uses 6 inches for one project and 9 inches for another project. How much wood does Jane have left?
Thursday, May 29, 2014 at 9:46pm

math
Tyler and Mia join popcorn strings to make a string 84 centimeters. Tyler's popcorn strings is 36 centimeters long. How many is Mia's popcorn string?
Thursday, May 29, 2014 at 9:42pm

math
Logan measures the height of his rose bushes. One rose bush is 35 centimeters tall. Another rose bush measures 39 centimeters tall. How tall are both rose bushes?
Thursday, May 29, 2014 at 9:36pm

math
Tyler and Mia join popcorn strings to make 84 centimeters. Tyler's popcorn string is 36 centimeters long. How long is Mia's popcorn string?
Thursday, May 29, 2014 at 9:30pm

math
Ryan watches 2 bullfrogs jump a total of 39 inches. One bullfrog jumps 22 inches. How far did the second bullfrog jump?
Thursday, May 29, 2014 at 9:18pm

math
Anna has 16 inches of silver lace and 19 inches of gold lace. How much lace does Anna have?
Thursday, May 29, 2014 at 9:10pm

MATH
Which of the following numbers is irrational? A 5/9 B 3.15 C /5 D 8.341 I THINK IT A
Thursday, May 29, 2014 at 8:04pm

Math please help
4(x-3)=5(x+1)
Thursday, May 29, 2014 at 7:55pm

business math
If the Powershooter 1800 is marked up 58.50 what is the cost and the percent markup cost?
Thursday, May 29, 2014 at 7:41pm

math
Todd's birthday has the same date as the number of letters in the mouth ( for example May 3). If his birthday is written in this form - mouth/day/14- and the sum of the mouth and the date is greater than the year (14), what is the probability that his birthday is before ...
Thursday, May 29, 2014 at 7:17pm

Math
Jeff is putting a fence around his rectangular yard. It is 50 feet long and 30 feet wide. The fence posts must be 10 feet apart. How many posts does he need? Draw a picture
Thursday, May 29, 2014 at 7:06pm

Math
A rectangular rug has a base b and a height h, with a perimeter of 30 feet. Both b and h are both whole numbers between 5 and 10 feet. Fill in the blanks to complete this sentence: The area of the rug is at least _______ but not greater than ______.
Thursday, May 29, 2014 at 6:53pm

Math
Jake bought a car for $15,000. Each year the value goes down by 30% of its value the previous year. Write the expression that gives the value(V) after (t)years.
Thursday, May 29, 2014 at 5:42pm

Math
What's the perimeter of a regular pentagon which has the side of length 2x+7?
Thursday, May 29, 2014 at 5:20pm

Algebra, math
a plan can fly 1200 miles with the wind in 3 hours, while it takes the same plan 4 hours to fly the same distance against the wind. Find the speed of the plan in still air, and the speed of the wind.
Thursday, May 29, 2014 at 5:20pm

Math
Name the coefficients in the polynomial 4x^2+3x-3 a. 4, -3, -3 b. 4, 3 c. 4, 3, 3 d. -4, -3 I choose d Check it pleaase!
Thursday, May 29, 2014 at 5:12pm

MATH PLZ HELP
i do not know how to do this question. can someone help me with this question? 7. A jar contains 5 green erasers, 2 striped erasers, 4 pink erasers, and 3 white erasers. You select an eraser at random. What is P(not pink)?
Thursday, May 29, 2014 at 4:53pm

Math
can someone help me find 1 - 2/7 in fraction not decimal?
Thursday, May 29, 2014 at 4:30pm

math
if i ran 1/4 of a mile 2/5 and 3/7 how far did i run.please write as a fraction
Thursday, May 29, 2014 at 4:17pm

Math
How to add matrices that involve improper fractions? I have this assignment and one of the questions were: C= [ 7 11] D= [ 1 0 ] [ -15 3] [ 4 -11/12] This is what I have so far C+D= [ 8 11 ] -11 25/12 So the 25/12, do I keep it that way or do I convert it to a decimal?
Thursday, May 29, 2014 at 3:53pm

math
chapter integer note ten days minimum and maximum temperature and draw bar graph
Thursday, May 29, 2014 at 1:20pm

math
If the length of football field is 40 yards ;ass than three times the width. the total area 6400 sq, yards what are the dimensions.
Thursday, May 29, 2014 at 12:40pm

math
. 3 gal = ____ qt. 22. 5 cups = ____ tsp 23. 15 lb = ____ kg 24. 150 ml = ____ Tbsp 25. 3 qt = ____ oz = _____ tsp
Thursday, May 29, 2014 at 12:06pm

math
An object is thrown or fired straight upwards at an initial speed of v_0 ft⁄s will reach height h feet after t seconds, where h and t are related to the formula h=-16t^2+v_0 t Suppose the object is fired straight upwards with an initial speed of 800ft⁄s, What is ...
Thursday, May 29, 2014 at 10:17am

math
please help me this question. 1/a+1/b+1/c=2/1 c¡Ùb¡Ùa find a£¿b£¿c's Positive integer solution please help me thanks
Thursday, May 29, 2014 at 10:08am

math
please help me this question. 1/a+1/b+1/c=2/1 c¡Ùb¡Ùa find a£¿b£¿c's Positive integer solution please help me thanks
Thursday, May 29, 2014 at 9:59am

Math
If 5+x, 8, and 1+2x are consecutive terms in an arithmetic sequence, find x.
Thursday, May 29, 2014 at 8:24am

Math
A doctor prescribes 200 mg of medication on the first day of treatment. The dosages is halved on each successive day for one week. To the nearest milligram, what is the total amount of medication administered?
Thursday, May 29, 2014 at 8:21am

Math
Miss Emily spent 5/9 of her money on 10 stuffed bears and 5 dolls. She could buy 20 stuffed bears with the rest of her money. What was the ratio of the cost of a doll to the cost of the stuffed bear?
Thursday, May 29, 2014 at 1:24am

math
A dog starts chasing a cat when they are 12 meters apart. For every 7 meters that the dog runs, the cat runs 4 meters. How far does the dog have to run to catch up to the cat?
Thursday, May 29, 2014 at 1:22am

Math 8th grade
In(x):2,10,___,__,__,-3,__,___,x Out(y:4,28,13,-17,10,_,2.5,148,3x-2 What's the answer !!!! Help!! ASAP!
Thursday, May 29, 2014 at 12:49am

Math
Find the sum of the arithmetic series -12-9-6-...39.
Wednesday, May 28, 2014 at 11:55pm

math
The manager of a tea shop mixes two types of teas to make a specialty blend. Alone, the teas sell for $3.99 and $8.99 per ounce. How many ounces of each type of tea should be used to make 32 ounces of a mixture that sells for $5.99 per ounce?
Wednesday, May 28, 2014 at 11:49pm

Math
An isosceles triangle has an area A, an apex angle 2 theta, and a height of h. Determine an expression for theta in terms of A and h.
Wednesday, May 28, 2014 at 10:38pm

Math
A tractor-trailer worth $84 000 depreciates 20% the first year and 10% each year thereafter. How much is it worth after 5 years?
Wednesday, May 28, 2014 at 10:19pm

Math
How many terms of the series 3+6+12+24+...add to 765?
Wednesday, May 28, 2014 at 10:05pm

math
In a random sample of 75 individuals, it was found that 52 of them prefer coffee to tea. What is the margin of error for the true proportion of all individuals who prefer coffee?
Wednesday, May 28, 2014 at 9:49pm

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