Friday
September 4, 2015

Homework Help: Math

Branches of Math

Recent Math Questions

king george memorial school math
logbase10^x+logbase10^y=4
Sunday, August 16, 2015 by abigail

math
2 5/8+ 1/3 Simplify the expression above. Which of the following is correct? A. 7 7/8 B. 1 1/7 C. 7/8 D. 8/63
Sunday, August 16, 2015 by Mike

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 B because the model determines the price of ...
Sunday, August 16, 2015 by Mike

math
A sofa cost $500 and is on sale for 20 % off. what is the final cost of the sofa after the discount?
Sunday, August 16, 2015 by jay

math
Given z=cos*(delta)+j sin*(delta),show that z^n+1/(z^n)=2cos*n*(delta)
Sunday, August 16, 2015 by Anonymous

math asap
this is a difficult question for me please help! thankyou A sequence is defined recursively by an + 1 = 3an − n, a1 = 2. Find the first six terms of the sequence. a1 = a2 = a3 = a4 = a5 = a6 =
Saturday, August 15, 2015 by lene

math
Rodney and Cauls’s houses having distance of eleven km Rodney start from his house by walking at the speed of 6 km / hr , Caouls at 5 km / hr at what distane they will meet , if Rodney start his journey later by 5 minutes then which time they will meet ?
Saturday, August 15, 2015 by mrajput

math
With two pumps it takes 60 hrs to empty an oil tanker. How much time will taken with five pumps ?
Saturday, August 15, 2015 by mrajput

math
The length of the office room is 11.5 m & width is 12.5 m. How much carpet is required for covering the floor ?
Saturday, August 15, 2015 by mrajput

math, pls help ASAP
what is 2/5 of 25
Saturday, August 15, 2015 by anon

math!!!!!!!!!!!!!
what is 2/5 as a regular number
Saturday, August 15, 2015 by anon

Urgent math
so I tried to expand this question and I got x^3 *x2, i don't know if it's right but if not can I get a step by step explanation please, Expand (2x + y^2)^5. (Simplify your answer completely.)
Saturday, August 15, 2015 by Aileen

Math
can anybody show me step by step? Find the sum. (a) 1/3+ 2/3^2+ 2^2/3^3+ 2^3/3^4+.......... + 2^9/3^10 S10 = (b) 1 + 1/2^1/2+ 1/2+ 1/2^3/2+ S =
Saturday, August 15, 2015 by lene

Math
this is a difficult question for me please help! thankyou A sequence is defined recursively by an + 1 = 3an − n, a1 = 2. Find the first six terms of the sequence. a1 = a2 = a3 = a4 = a5 = a6 =
Saturday, August 15, 2015 by lene

math
edgar earns 200 dollars a week plus a 15% commission on all sales over 1,000 dollars.if edgar sells for one week or 2,500 dollars what is his gross pay for that one week.
Saturday, August 15, 2015 by james

math
a certain alloy contains 5.25% cooper. how much cooper is there in a piece weighing 200 pounds.
Saturday, August 15, 2015 by james

math
paul can type 60 words per minute and jenifer can type 80 words per minute how does pauls typing speed compare to jenifers
Saturday, August 15, 2015 by james

Math Check
For each integer n>1, let A(n) denote the sum of the integers from 1 to n. For example, A(100)=1+2+3+ +100=5,050. What is the value of A(200)? A.)10,100 B.)15,050 C.)15,150 D.)20,100 E.)21,500 I know that the best answer choice is D, but the explanation that I was provided ...
Saturday, August 15, 2015 by Devron

Math
Two marbles are sitting side by side in a glass container. The base of the container is 10 units long and the radius of the smaller marble is 2 units. What is the radius of the larger marble? Describe the strategy you are going to use to answer the question.
Saturday, August 15, 2015 by Joy

Math
Kate made a birthday cake for Bryan’s second birthday. One of the guests on the party (who is a preschool director) thought how awesome it would be to have a cake like this for the Open House next week! She asked Kate to make one for her. She wanted to have a cake in ...
Saturday, August 15, 2015 by Althea

math
black tea at $2.40 per kg is mixed with green tea at $3.20 per kg in the ratio 1:3 calculate the weight of each type of tea in 40 kg of the mixture and calculate the price per kg of the mixture
Saturday, August 15, 2015 by shah

Urgent math
pls help out with this example as well. Find the term containing x^3 in the binomial expansion of (3x − 3)^10
Saturday, August 15, 2015 by Aileen

Urgent math
how do I do this can any body show me how? An arithmetic sequence begins 4, 9, 14, 19, 24, . . . . (a) Find the common difference d for this sequence. d = (b) Find a formula for the nth term an of the sequence. an = (c) Find the 35th term of the sequence. a35 =
Saturday, August 15, 2015 by Aileen

Math
Kate made a birthday cake for Bryan’s second birthday. One of the guests on the party (who is a preschool director) thought how awesome it would be to have a cake like this for the Open House next week! She asked Kate to make one for her. She wanted to have a cake in ...
Saturday, August 15, 2015 by Althea

Math
Kate wanted to have a cake in which Elmos’ nose was 6 inches in diameter, because the preschool is 6 years old. Her original recipe of the cake batter called for: 3 eggs, 2 baking mix, Half a cup of oil, 1 cup of water. How much of each ingredient will she need? Explain ...
Friday, August 14, 2015 by Althea

math
the product of the sum and the difference of two nu8mberts is 105. find the two numbers
Friday, August 14, 2015 by beth

math
what is the word form for34,235,345
Friday, August 14, 2015 by anthony

Discrete Math
A multiple choice test consists of eight questions, each of which has five choices. Each question has exactly one correct answer. William guesses randomly at each answer. What is the probability that he gets six or fewer questions correct?
Friday, August 14, 2015 by Shalini

math pls help
What is the product of 58 and 34?
Friday, August 14, 2015 by anon

Math
If it takes B hours to walk a certain distance at the rate of 3 miles per hour, the number of hours it takes to return the same distance at 4 miles per hour is...?
Friday, August 14, 2015 by Victoria

math
a man spent 5% of his salary on rent and out of remaining 20% on car and out of remaning on insurance and furniture in the ratio of 13:7 the value of 7 parts is 4907 what is his salary
Friday, August 14, 2015 by kaku

math
Victor jogs early morning from his house to rizal stadium at an average of 5kph rests for half and hour and jogs back with half his average speed going to stadium. If he consumes a total of 4 hrs. how far does victor jog?
Friday, August 14, 2015 by al sah him

math
a jeepney bound for Lawton leaves Carriedo at 11:57 am with an average rate of 40kph at 12 noon Mr Sammy leaves carriedo at rate 65kph. If the distance from Carriedo to Lawton is 7km at what time the jeepney and Mr Sammy reach Lawton.
Friday, August 14, 2015 by al sah him

math
an empty 50 gallon is filled with water by faucet with a rate 4 gallon per min while it can be drain by a faucet at the bottom of the drum by half a gallon per minute . how long will it take the faucet to fill the drum up to brim if at the same time the faucet at the bottom is...
Friday, August 14, 2015 by al sah him

math
2/9 divided 15/4 divided 4/12
Friday, August 14, 2015 by kevin

Math
Jane used one fifths on her shoes and two thirds on her dress and she was left with R60.00 how much did she have altogether
Friday, August 14, 2015 by Amira

MATH
CREDIT OF $1000, 18% INTEREST, PAYING $25 A MONTH, WHAT WILL BE THE BALANCE, AND HOW LONG WILL IT TAKE TO PAY OFF
Friday, August 14, 2015 by LINETTE

Math
A recipe requires 3 / 4 c ups of nuts for 1 batch of muffins how many batches of muffins can be made using 7 1 / 2 cups of nuts
Thursday, August 13, 2015 by Ano

Math
The height of a cylinder is 15ft with a radius of 7ft. What is the radius of a similar cylinder with a height of 10ft. Is the answer 4.66 ft?
Thursday, August 13, 2015 by Kareen

Math
A student needed to get a final grade of 90 to get a grade of A for the semester. He scored 83, 85, 92, 86, and 87. If the last two scores would be counted as one score. What is the least grade the student would need to get to get a final grade of A? Is the answer 45?
Thursday, August 13, 2015 by Kareen

Math
How do u divide 9.69 divided by 29.3
Thursday, August 13, 2015 by Tk Mitchell

math help
ggreen eggs 2.25 regular eggs 2.00 ham 1.50 bacon 1.25 small drink 0.75 large drink 1.00 today's special 4.25 suppose you have $10 to spend. what are some possible orders you can make? get as close to $10 as you can without going over.
Thursday, August 13, 2015 by kathy

math
ggreen eggs 2.25 regular eggs 2.00 ham 1.50 bacon 1.25 small drink 0.75 large drink 1.00 today's special 4.25 ticket #12;x+g+b=$5.50 what was ordered on ticket 12. how do you know? is there another possibility for the order? if so,, what is it?
Thursday, August 13, 2015 by kathy

Math
A baseball team wins 60% of their first 70 games. They have 40 games left in the season. How many more games do they need to win to get a perfect 70%. Is the answer 35%?
Thursday, August 13, 2015 by Kareen

Math
Bob works 1 1/2 hours per day and is payed $7 per hour. He works five days a week. How much money does he earn in 7 weeks? My answer is $367.50, am i correct?
Thursday, August 13, 2015 by anonymous

Math
The perimeter of a rectangle is 62 cm. The length is 5 less 2 times the number x. What is the width? Is the answer 18?
Thursday, August 13, 2015 by Kareen

Math
6, 7, 8, 9, 12, 13, 14, 16, 23, 23 A student did the following push ups in gym class. Which of the following would be used to say he did the most push ups? mean median mode mean-13.1 median- 12.5 mode-23 The answer is the mode?
Thursday, August 13, 2015 by Kareen

Math
A student needed to get a final grade of 90 to get a grade of A for the semester. If the last two scores would be counted as one score. What is the least grade the student would need to get to get a final grade of A? Is the answer 45? /
Thursday, August 13, 2015 by Kareen

Math
There are5 red balls6 white balls,7 green balls in a box.without looking at it you pick one ball,what is the probabikity that it is whit?
Thursday, August 13, 2015 by Maribetyh

Math
3. A can do a piece of work in 6 days. B is 50% more efficient. The number of days it take B to do work is A. 9 B. 3 C. 2 D. 4 Is the answer 4? If so, how did you get your answer?
Thursday, August 13, 2015 by 7th grade Math

Math
Do the following points represent a point on the graph of y=x 4? (0.-4) (5,-1)
Thursday, August 13, 2015 by Jo

math
green eggs 2.25 regular eggs 2.00 ham 1.50 bacon 1.25 small drink 0.75 large drink 1.00 today's special 4.25 ticket #5 2(G+H) what was ordered? what was the cost>? what method did you use to figure out? what is another way to calculate the price for ticket #5?
Thursday, August 13, 2015 by kathy

Math Urgent
To form a certain sequence, the rules are: 1)If a number is even, divide by 2 to get the next number 2)If a number is odd, multiply by 3, then add 1 to the the next number. Starting with 12,the 1000th term would be... a.1 b.2 c.3 d.4 THANKS
Thursday, August 13, 2015 by Ms Sue Help ME

Math Probability
An ant begins at the top of the pictured octahedron. If the ant takes two "steps", what is the probability it ends up at the bottom of the octahedron? Assume a "step" is a journey from one vertex to an adjacent vertex along an edge.
Thursday, August 13, 2015 by Anonymous

Math Probability
Mario, Yoshi, and Toadette play a game of "nonconformity": They each choose rock, paper, or scissors. If two of the three people choose the same symbol, and the third person chooses a different symbol, then the one who chose the different symbol wins. Otherwise, no ...
Thursday, August 13, 2015 by Anonymous

Math
8 ft of ribbon cost $4.80. The ribbon was cut into pieces measuring 16 inches. What is the cost of each piece? Is the answer $0.80?
Thursday, August 13, 2015 by kareen

Math
There are 24 marbles in a jar. Nine of the marbles are yellow and the remainder are blue. What is the probability of picking one blue marble from the jar? Is the correct response 5/8?
Thursday, August 13, 2015 by kareen

Math
There are 5 students in a classroom. The median age of the children are 9. Two of the children ages are 5. The range of all the students are 7. What is the age of the second to the last child? 5, 5, 9, ? , 12 Is the answer 12? May you please give an explanation to this problem.
Thursday, August 13, 2015 by kareen

math
a pantry contains 6 shelves each 42 inches long. the shelves are to be reclined with fresh paper. the paper is sold in 1 yard rolls. the number of 1 yard rolls needed is:
Thursday, August 13, 2015 by andy

math
rewrite the improper fraction as a mixed number. 1364/93
Thursday, August 13, 2015 by lakshmi

math
Write the number 1100 and two ways
Thursday, August 13, 2015 by Anonymous

math
at the video store where you work the dvd cases are 5/8 of an inch wide. New shelf units are available that have 6 40-inch shelves. How many dvd should fit on a 6-shelf unit?
Thursday, August 13, 2015 by catherine

Math
A fruit seller had 450 apples and pears.He sold 1/2 of the apples and 1/4 of the pears. He had a total of 265 apples and pears lefty How many more apples than pears did he have at first. Thanks😊
Thursday, August 13, 2015 by Chole😊

math
Five coupons of values $2,six coupons of values $3,two coupons of values $5 and two coupons of values $8 are put into a small box.Two coupons are drawn at random from the box without replacement.Calculate the probability that (b)the total value of two coupons is $10. [Answer:...
Thursday, August 13, 2015 by mandy

math
. A respondent tells you she just bought living room carpet which is 20 feet long by 15 feet wide. If carpet is $6.00 per square foot, how much did the new carpet cost?
Thursday, August 13, 2015 by debbie

MATH
What is the difference between two places in the local time between two places in latitude 55°N if they are located at longitudes 8°W and 18°E respectively?
Thursday, August 13, 2015 by JAY

Urgent math
Please help me solve this problem?!?! Find the first six terms and the sixth partial sum of the sequence whose nth term is an = 5n2 − n. a1 = a2 = a3 = a4 = a5 = a6 = S6 =
Wednesday, August 12, 2015 by Briane Mendez

Math
In a science competition with ten problems, a student gets 5 points for a correct answer and loses 2 points for an incorrect answer. If Alice answered every problem and her score was 29, how many correct answers did she have?
Wednesday, August 12, 2015 by Anon

Math (Calculus)
Hello, Could somebody please help me with the following question? It asks to differentiate the function below according to derivate rules of calculus such as the power rule (if f(x)=x^n, then f'(x)=nx^n-1), the product rule (if F(x)=f(x)g(x) then F'(x)=f(x)g'(x)+f...
Wednesday, August 12, 2015 by Constantine

Math
Convert 240sec= min. Is this correct I got 4 min
Wednesday, August 12, 2015 by Amy

math
And armored truck left a federal bank at noon when a shipping error was discovered an agent was sent by helicopter to overtake the truck the helicopter left at 1:48 PM and flew at an average speed of 170 km/h. If the truck was overtaken at 3:24 PM what was the average speed of...
Wednesday, August 12, 2015 by Kristie

math
Planets A, B and C orbit a certain star once every 3, 7, and 18 months respectively. If the three planets are now in the same straight line, what is the smallest number of months that must pass before they line up again?
Wednesday, August 12, 2015 by ediget

Math
How do you find an eighth of an inch on a ruler ?
Wednesday, August 12, 2015 by Anon

Math
For every $4 Halle saves her brother saves $7 determine. Ratio
Wednesday, August 12, 2015 by Anonymous

Math
A carpenter has a board that is 4 yards long. He cuts it into 3 equal pieces. How many inches long is each piece? Is this correct? My answer is 46 inches long
Wednesday, August 12, 2015 by Amy

math
The difference between two numbers is 4 and their sum is -7. What is their product?
Wednesday, August 12, 2015 by Anonymous

math
prove that sin^6a+sin^4acos ^2a-sin^ 2acos^4a=1-2cos^2a
Wednesday, August 12, 2015 by Abdullah

Math
Twice the sum of the digits of a positive, two-digit integer is 19 greater than the ones digit. Reversing the digits decreases the number by 18.
Wednesday, August 12, 2015 by Anonymous

Math
If j / k = 32 and k = 3 / 2, what is the value of 1 / 2 j?
Wednesday, August 12, 2015 by Anonymous

math
A square piece of cardboard is to be used to form a box without a top by cutting off squares, 5cm on a side, from each corner and then folding up the sides. if the volume of the box must be 320 sq. sm, what must be the length of a side of the cardboard?
Wednesday, August 12, 2015 by Sigrid

Math
a piece of wire is 20 cm. long. it is cut into pieces, each of which is then bent to form a square. the total area of the two squares is 13 sq. cm. How long is side of each square?
Wednesday, August 12, 2015 by Sigrid

Math
The average (arithmetic means) of t and y is 15, and the average of w and x 15. What is the average of t, w, x, and y? (A) 7.5 (B) 15 (C) 22.5 (D) 30 (E) 60
Wednesday, August 12, 2015 by Anonymous

math
I have two questions: The temperature changed from 7ºF at 6 P.M. to -5ºF at midnight. What was the difference between the high and low temperatures? What was the average change in temperature per hour? The difference between the temperatures is 12ºF because 7...
Wednesday, August 12, 2015 by anon

Math
If (x - 2)^2 = 49, then x could be (A) -9 (B) -7 (C) 2 (D) 5 (E) 9 (x - 2)^2 = 49 (x - 2) (x - 2) = 49 x^2 - 2x - 2x + 4 = 49 x^2 - 4x + 4 - 4 = 49 - 4 x^2 - 4x = 45 I am not sure what to do from here.
Wednesday, August 12, 2015 by Anonymous

math or algebra
I have two questions The temperature changed from 7ºF at 6 P.M. to -5ºF at midnight. What was the difference between the high and low temperatures? What was the average change in temperature per hour? The difference between the temperatures is 12 because 7 - (-5) = 7...
Wednesday, August 12, 2015 by anon

math
A car moving with a velocity of 20m/s at 30 degree to the horizontal,what is the component of the velocity along the horizontal?
Wednesday, August 12, 2015 by prech

Urgent math
Which of following is divisible by 4 for all natural numbers n? (Select all that apply.) please help ?!?!? 5n + 1 − 9 6n − 2 7n + 1 3n + 1 10n − 2
Wednesday, August 12, 2015 by Jaydon

Math
"Molly had (4x + 10) dollars. Ron has (-5x + 20) dollars. How much money do they have all together?" For this part I got -x + 30 dollars, but the problem comes when I see the next part: "How much more money does Molly have than Ron?" Now how to I calculate ...
Tuesday, August 11, 2015 by Malala

math
Two circles have a radii of 15 and 95. If the two external tangents to the circles intersect at 60 degrees, how far apart are the centers of the circles? Can someone please explain this to me, show the work and give me the answer. Thanks!
Tuesday, August 11, 2015 by logi

math
A car escapes from Police. The police start chasing 54 minutes later. Police travel 12% faster. How many minutes will it take to catch up? SO FAR I got that D=(x)(t+54) for the escaped car AND D=(1.12x)(4) Can someone help me through the process and give me the correct answer...
Tuesday, August 11, 2015 by logi

math
Freshman:Sophmore = 5:4 Sophmore:Juniors = 7:8 Juniors:Seniors = 9:7 The total is 2158, what is the amount of each grade? So far, I got 35:32:224/9 for Freshman:Sophmore:Seniors I don't know if I'm correct, or what I'm doing. Can you please give me help and explain...
Tuesday, August 11, 2015 by logi

Math Brain Teaser
This is a brain teaser and this is all the information you are given. I am sure that there is a simple answer, but I can't figure this out. There is no information about the weight of each steak. A man, buying steaks for his restaurant, approached a butcher. "How many...
Tuesday, August 11, 2015 by MomWhoIs50

Math Brain Teaser
I have a math brain teaser that I am sure it sooo simple that I am missing it. A man, buying steaks for his restaurant, approached a butcher. "How many steaks do you have for sale," the butcher answered, "And how much are they?" "The steaks are $6 a ...
Tuesday, August 11, 2015 by MomWhoIs50

Math
What is the area of a square with side lengths of 3cm? Use the formula A=s x s Is this correct A= 3x3=9
Tuesday, August 11, 2015 by Amy

Math
Is this correct? Write the decimal for seventy five and four tenths. My answer is 18.75
Tuesday, August 11, 2015 by Amy

math
Freshman:Sophmore = 5:4 Sophmore:Juniors = 7:8 Juniors:Seniors = 9:7 The total is 2158, what is the amount of each grade? So far, I got 35:32:224/9 for Freshman:Sophmore:Seniors I don't know if I'm correct, or what I'm doing. Can you please give me help and explain...
Tuesday, August 11, 2015 by logi

math
Two circles have a radii of 15 and 95. If the two external tangents to the circles intersect at 60 degrees, how far apart are the centers of the circles? Can someone please explain this to me, show the work and give me the answer. Thanks!
Tuesday, August 11, 2015 by logi

math
A car escapes from Police. The police start chasing 54 minutes later. Police travel 12% faster. How many minutes will it take to catch up? SO FAR I got that D=(x)(t+54) for the escaped car AND D=(1.12x)(4) Can someone help me through the process and give me the correct answer...
Tuesday, August 11, 2015 by logi

Urgent math
Which of following is divisible by 4 for all natural numbers n? (Select all that apply.) please help ?!?!? 5n + 1 − 9 6n − 2 7n + 1 3n + 1 10n − 2
Tuesday, August 11, 2015 by Jaydon

Urgent math
I eliminated 2 of the 5 and now I have 3 I am confused towards which is the right one? help mathematical induction to determine which formula is true for all natural numbers n ≥ 3 a) 2n2 > (n + 1)2 b) (n − 1)2 > n2 − 6 c) (n + 1)2 < n2 +
Tuesday, August 11, 2015 by Jaydon

  1. Pages:
  2. <<Prev
  3. 1
  4. 2
  5. 3
  6. 4
  7. 5
  8. 6
  9. 7
  10. 8
  11. 9
  12. 10
  13. 11
  14. 12
  15. 13
  16. 14
  17. 15
  18. Next>>

Members