Sunday
February 7, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

MATH HELP
Which of the following questions is a statistical question? What is the top-selling board game? In what aisle are the board games located in the local store? How many board games require a deck of cards to play? How many board games have you played in the past month? is it d
Thursday, January 28, 2016 by Oscar

Math
Olivia tossed two fair two-sided coins. In a game, she earns 4 points if exactly one coin lands on heads and 6 points if both coins land on heads. If points are not earned for tails, what is the expected value of the points earned? A. 3 1/3 B. 3 1/2 *** C. 5 D. 6
Thursday, January 28, 2016 by Chrisley

Math
What is 2 2/3 7/8?
Thursday, January 28, 2016 by NicoleJackson09

Math
A $15 item on sale for $12 is marked down what percent? 100 * $12 = $1200 $1200/$15 = $6000 Did I do the correct work, or is it this: 100 * $3 = $300 $300/$15 = $4500 Is the first work correct or is the second work correct?
Thursday, January 28, 2016 by Lauren

Math
An enclosed rectangular garden is 6 meters by 15 meters. Additional fencing within the garden can divide it into three smaller plots, two of them square and one rectangular. What is the least number of meters of additional fencing that is needed?
Thursday, January 28, 2016 by Eric

further math
F:x=3 and g:x=3x-2 find fog
Thursday, January 28, 2016 by ibrahim

MATH
1. Which is equivalent to this expression? 9 – 5(4 – 2) / 3 + 5 A. -13/8 B. -1/8 C. 1 *** D. 7/4 2. There are 2 linen closets and 3 walk-in closets in each apartment in a building. The total number of closets in the building can be represented by 2n + 3n, where n ...
Thursday, January 28, 2016 by Kim

math
sarah drove at a constant rate of 50 mils per hour. The distance d that sarah drove in t hours is given by the equation d=50t
Thursday, January 28, 2016 by Abigail Guadalupe

Math (Pease Help! 2 questions!)
A bag contains 2 white marbles and 7 purple marbles. Two marbles are drawn at random. One marble is drawn and not replaced. Then a second marble is drawn. c) What is the probability of selecting a purple marble and then a white marble? c) What is the probability of selecting ...
Thursday, January 28, 2016 by Anonymous

Math
What would 39/8 be on a number line
Thursday, January 28, 2016 by Anita

Math 4 grade
Hi how are you so my question is what's a comparison I do not know please help me have a good day
Thursday, January 28, 2016 by Essence loves math

math
1. Which figure best models 6^2? A. 6 x 6 grid - Personally, I think. B. 9 x 4 grid C. 5 x 5 grid D. 6 x 2 grid
Thursday, January 28, 2016 by kylie

Math
The figure shows the shadows created by the sun when Cindy stands near the flagpole. Cindy on the left, she’s ACTUALLY 5 ft and her SHADOW is 4 ft. The flagpole is on the right, we don’t know what the ACTUAL height is but the SHADOW is 10 ft. What is the closest to ...
Thursday, January 28, 2016 by Harley Esther

Math
There are 15 vegetables in the garden. They are planted in rows of 5. There are 2 carrot plants and 3 potato plants in each row. How many carrot plants are in the garden? Draw to solve the problem.
Thursday, January 28, 2016 by Miriam

Math
Tuition for one year at a state university is about $13,000. Devon would like to attend this university and will save money each month for the next 4 years. His parents will give him$5,200 for his first year of tuition. Which plan shows the minimum amount of money Devon must ...
Thursday, January 28, 2016 by Anonymous

Math
Lamar has received $2,000 each year for college from his grandmother for the four years that he was in high school. He has deposited the money on the same day each year in an account that pays 8% interest, compounded annually. How much money has he saved? A $7,012.22 B $9,012....
Thursday, January 28, 2016 by Anonymous

Math
Marge purchased 60 shares of stock at $62.50 per share. There was a 4.5% purchase fee for the stock she bought. What was the amount of the purchase fee Marge had to pay? A $3750.00 B $1687.50 C $ 281.25 D $ 168.75**
Thursday, January 28, 2016 by Anonymous

math
1. Which figure best models 6^2? A. 6 x 6 grid B. 9 x 4 grid C. 5 x 5 grid D. 6 x 2 grid 2. Ned, Sara, and Allen went on a bird-watching trip to a national park. Ned identified a total of 8 birds. Sara identified 3 times the number of birds Ned identified. Allen identified 3 ...
Thursday, January 28, 2016 by kylie

math
Solve for X (3x+2)^(1/3)=-2 I multiplied (3x+2)^(1/3) by the power of to cancel the 1/3 I put -2 to the power of 3 as well getting -8 After I subtracted 2, getting me -6 dividing by 3x, I got -2 as my answer. Is this correct?
Thursday, January 28, 2016 by john

Math
Solve for X (8)^0(8)^x-4=512^X 8^0=1 512=8^64 8^x-4=(8^64)^x x-4=64x -4=63x -(63/4)=x Is this correct
Thursday, January 28, 2016 by john

Math - Homework Help
Jordan eats cereal 3 out of 4 days. She used this equation to predict c, the number of days she would eat cereal in 36 days. 3/4 = c/36 What value of c would make this equation true? A. 27 * B. 48 C. 24.5 D. 3 Cindy purchased the following items... -2 shirts that cost $15.00 ...
Thursday, January 28, 2016 by Harley Esther

math
Define A relation S for subset of R by S=[{A,B:ACR,B is improper Subset to R,[A/B]u[B/A]is finite prove that s is an equivalent relation and the family of finite subset of R one equivalent class
Thursday, January 28, 2016 by dapo

Math
I have 7 hundreds 16 tens and 3 ones what number am I?
Thursday, January 28, 2016 by Anonymous

Math
Stephen read 90 pages in 6 days. If he continues reading at that rate, how long will it take him to read 300 pages?
Thursday, January 28, 2016 by Nisrin

Math
Solve for X (1/2)^2-x=(32)^x+1 I'm very confused on how to begin this problem.
Thursday, January 28, 2016 by John

Math (can you provide me with the working and ans?
A rectangular tank 28cm long and 18cm wide was filled with water to a dept of 7cm. When 12 marbles were added the level rose to 12cm. Find the average volume of the 12 marbles.
Thursday, January 28, 2016 by Mark

Math
How high does the satellite have to be in order to see two cities at the same time if the cities are 2250 mi apart? (Round your answer to the nearest mile I thought it was 225 but I was wrong please help
Thursday, January 28, 2016 by Angela

Math
Prove that cot²A(secA-1) = Cos A
Thursday, January 28, 2016 by Aj

math
A, B, C are three points on a horizontal plane, where A is due south of B. The bearing of C from A is 060 degrees. At B, there is a vertical mast BD. The angles of elevation of its top D from A and C are 25 degrees and 20 degrees respectively. Find the bearing of B from C.
Thursday, January 28, 2016 by somay

math
pls do help me answer this question 1+1=?
Thursday, January 28, 2016 by paul pogi

math
The sum of the age of mira and shaheena is 40 years after 10 years mira will be twice as old as shaheena find their present ages
Thursday, January 28, 2016 by mehtab

math
Divide 120 into two parts so that thrice the smaller one is equal to twice the larger one
Thursday, January 28, 2016 by mehtab

math
Carol is five times as old as her brother. She will be three times asold as her brother in two yrs.How old is carol now?
Thursday, January 28, 2016 by Lizzieee

math
matrices
Thursday, January 28, 2016 by khadija

Math
Compared to Jenny,Sally is 7/8 as tall and May is 6/7 as tall. How many times taller is Sally than May?
Thursday, January 28, 2016 by Ngoc Anh

Math
Joe has eaten 3/5 of a pizza. Jane has eaten 1/9 of a pizza. How many times more pizza has Joe eaten than Jean?
Thursday, January 28, 2016 by Ngoc Anh

Math
Sam wants to find the height of a window in a nearby building but it is a cloudy day with no shadows. Sam puts a mirror on the ground between himself and the building. He tilts it toward him so that when he is standing up, he sees the reflection of the window. The base of the ...
Thursday, January 28, 2016 by Jiska

Math
I have 5 cups of birdseed. I use 3/4 cup of birdseed each day. How many days will my birdseed last?
Thursday, January 28, 2016 by Anonymous

math
Solve the inequality 1. m - 7 < 6 2. x + 4.5 more than or equal to 5.5 3.p + 12 > 9 4. Translate the following statement into an inequality: Five less than a number is at least nine. x - 5 more than or equal to 9
Thursday, January 28, 2016 by fheeyhthne

math
Solve the inequality 1. m - 7 < 6 2. x + 4.5 more than or equal to 5.5 3.p + 12 > 9 4. Translate the following statement into an inequality: Five less than a number is at least nine. x - 5 more than or equal to 9
Thursday, January 28, 2016 by fheeyhthne

Math
Solve the sytem of equations using the addition method. 5x+2y=1, x-3y=7
Thursday, January 28, 2016 by Greg

math
Given the cost function, C(x), and the revenue function, R(x), find the number of units x that must be sold to break even. C(x)=86x+3080, R(x)+108x
Thursday, January 28, 2016 by Steven

Math
Find the solution to the system of equations by substitution. 2x+5y=8 and 6x+y=10
Thursday, January 28, 2016 by tim

Math
How many lines through the origin make equal angles with the coordinate axes?
Wednesday, January 27, 2016 by Minhye

math
Tourists were on a hiking trip for three days. On the first day, they hiked 1/8 of the trail. On the second day they hiked 4/7 of the remaining trail. On the third day they hiked 1/3 of the remaining trail and the last 8 km. How many km is the whole trail?
Wednesday, January 27, 2016 by vidya

Math
To purchase a computer for the student activities office, the freshman class decides to raise 1/4 of the money, and sophomore class decides to raise 2/3 of the money. The student government association agrees to contribute the rest, which amounted to $200. What was the cost of...
Wednesday, January 27, 2016 by Maritza

math
Suppose a boat has to make a round trip up and down a river. The trip up takes 1 hour and is with the current. The trip back takes 9 hours. Suppose the round trip is a total of 32 miles, and that the boat's speed and the speed of the current are constant. What is the boat...
Wednesday, January 27, 2016 by Brent

Math help
A spherical water tank holds 15.000ft^3 of water. Find the diameter of the tank ( hint: V=pi/6*D^3
Wednesday, January 27, 2016 by Lanie

math
21 to x and 7 to 10 a24 b30 c.40
Wednesday, January 27, 2016 by shynice

math
The sum of two numbers is 30. Their product is 176. What are two numbers?
Wednesday, January 27, 2016 by Anonymous

math
x:4 and 45:20 a.8 b.9 c.10
Wednesday, January 27, 2016 by shynice

Math
11 + 2z= 14.78 Find the variable
Wednesday, January 27, 2016 by Joseph

Math
14 + y/8 = 10 What is the variable?
Wednesday, January 27, 2016 by Joseph

math
5:15 and x:3 a.5 b.3 c.1
Wednesday, January 27, 2016 by shynice

Math
Tory has 4 blue jelly beans, 6 red jelly beans, 5 yellow jelly beans, and 1 green jelly bean in his bag. What fraction of the jelly beans are A)Blue B)Yellow C)Red D)Green
Wednesday, January 27, 2016 by Carla

math
You and your sister work on the weekends at your parents’ store. You receive $4 per hour and your sister gets $5 per hour. On Saturday both of you worked a total of 7 h and together made $32. How much money did each of you earn on Saturday?
Wednesday, January 27, 2016 by Anthony

Math
13+d=44 What does the variable represent
Wednesday, January 27, 2016 by Joseph

Math
5/6 (2g+1)-g Simplify the expression
Wednesday, January 27, 2016 by Joseph

math
A cookie recipe calls for 3/4 of a cup of flour and makes one dozen cookies. How many cookies can you make if you have 10 cups of flour and want to use it all? I said 160 cookies. I used a proportion to solve this but is there another way to solve it?
Wednesday, January 27, 2016 by Sam

Math
The track team ran a mile and a quarter during its practice. How many kilometers did the team run?
Wednesday, January 27, 2016 by Tyler

math
One year, Super Bowl commercial time sold for $4 million for 30 seconds of air time. a) What was the price per second? Round to the nearest cent. b) How much air time could you get that year for three million dollars? Assume that air time could be purchased in increments ...
Wednesday, January 27, 2016 by Rishi

Math
which of the following can represent the measure of the three angle in an acute triangle? A. 59, 61,62 B. 30, 25, 125 C. 56,72,52** D. 90, 45, 45 Check my answer
Wednesday, January 27, 2016 by Triston

math
the legth of a side of a square is represented by (3x-1). if the perimeter of the square is 68, find t he value of x
Wednesday, January 27, 2016 by Anonymous

Math
You food costs are $1700. Your total food sales are $8500. What percent of your food sales do the food costs represent?
Wednesday, January 27, 2016 by Christy

math
There were 24 people on the bus. At the bus stop 9 people got off the bus. How many people are on the bus now? Show 2 different ways to solve this problem
Wednesday, January 27, 2016 by kelsie

math
In a freshman class of 3500 students at a particular college, 20000 are taking either a history of English class their first semester. Of these 2000 students, 1300 are taking both a history class and an English class, and 375 are taking only a history class. Draw a Venn ...
Wednesday, January 27, 2016 by John

math
how do i divide -2.4 by 2.54?
Wednesday, January 27, 2016 by Evelyn

Math
Will has 27 books Cassandra ha17 books how many books do they have together
Wednesday, January 27, 2016 by Anonymous

Math
Calculate 56% of 880 kg?
Wednesday, January 27, 2016 by Christy

Math
5. What is the contrapositive of the following conditional: "If a student plays basketball, then the student is over 6 feet tall." A- If a student is over 6 feet tall then the student plays basketball. B - IF a student is not over 6 feet tall, then the student does ...
Wednesday, January 27, 2016 by Tim

math
students are growing plants under different conditions. the average plant growth during a week is 3.5 inches. the difference from the average for Ji is 2 1/4 in., Gayle -2 7/10 in., Stefan 1.5 cm and Ricardo -2.4 cm. How do you find the actual height of each plant? what are ...
Wednesday, January 27, 2016 by Evelyn

math
if angle 1 and angle 2 are supplementary angles, then one of them must be acute. Counter exmaple?
Wednesday, January 27, 2016 by boberto

Math
1. Find the length of a diagonal of a rectangle ABCD with vertices, A (-3,1), B(-1,3), C(3,-1) and D (1,-3). A) 5.7 B) 6.3 C) 3.2 D) 4.5 Hello! I don't understand how to solve this question since the unit I just read barely went over this. If anyone could help that would ...
Wednesday, January 27, 2016 by Tim

Math
which of the following can represent the measure of the three angle in an acute triangle? A. 59, 61,62 B. 30, 25, 125 C. 56,72,52•• D. 90, 45, 45 Plz correct me!!
Wednesday, January 27, 2016 by Samantha

Math
The chef has 300 pounds of strip sheep. The trim loss on the strip sheep is 40% and the cooking loss is 60% of the trimmed weight. How many pounds of trimmed cooked strip sheep will the chef have left to serve to his customers?
Wednesday, January 27, 2016 by Christy

math
Suppose that the population of deer in a state is 19,900 and is growing 3% each year. Predict the population after 10 years. (1 point) A.about 274,338 deer B.about 26,744 deer**** D.about 597,000 deer C.about 204,970 deer i need help i don't if i'm right
Wednesday, January 27, 2016 by jess

Math
A serving of ice cream contains 5000 calories. 200 calories come from fat. What percent of the total calories come from fat?
Wednesday, January 27, 2016 by Christy

math
Michelle had 12 girls and 36 boys show up for field day. She wanted to divide them into groups so that each group had the same number of girls and boys. What is the greatest number of groups that Michelle can make if all of the children are in a group? a.3 b.4 c.6 d.12
Wednesday, January 27, 2016 by Kalyn

Math
Two even integers are represented by 2n and 2n+2. Explain how you can find the value of those integers if their sum is 14. Name the integers.
Wednesday, January 27, 2016 by Joseph

Math
intersecting lines (1 point)40¨¬ 50¨¬ •• 140¨¬ 180¨¬ 2. Which word best completes this statement? Adjacent angles are ___________ congruent. (1 point)always sometimes •• never none of these 3. Which angle is adjacent to &...
Wednesday, January 27, 2016 by Tommy

Math
Which ice cream is more expensive per litre? How do you know? 3L of ice cream for $10 or 4L of ice cream for $12?
Wednesday, January 27, 2016 by Anonymous

les/math
imelda glues together 72cubes with 2cm edges to form a solid rectangular brick.if the area of the base is 48sq. cm find the volume of the bricks in cubic centimeters
Wednesday, January 27, 2016 by rochelle

les/math
a box whose volume is 80cubic cm has length,width and height in the ratio 1:2:5 if each of the length,width,height is increased by 2cm how many cubic centimeters will the volume be increased?/
Wednesday, January 27, 2016 by rochelle

Math
Which word best completes this statement? Adjacent angles are_______ congruent. A. Always B. Sometimes •• C. Never D. None of these Correct me
Wednesday, January 27, 2016 by Tommy

Math
it takes 45 min. to plant 12 plants how long does it take to plant 5
Wednesday, January 27, 2016 by Ana

Connexus Help me!!
I need help in an assignment from Connexus and its in math but I can't put the question because the question includes a diagram. The unit it's on math and its lesson 3: indentifying and classifying angles:2 Math 7B unit 1: Geometry. So if anybody that goes to Connexus ...
Wednesday, January 27, 2016 by Tommy

math
102 is the product of rita's height and 6
Wednesday, January 27, 2016 by tremayne

Math
What's another way you can write 0.023 (fraction or percent) problem: write 0.023 two different ways
Wednesday, January 27, 2016 by Andrew

math
Write a real-world problem that you could represent with the equation 4x+5=37. Solve the equation to find the answer to your question.
Wednesday, January 27, 2016 by gabe

math
8+32n=31n+7
Wednesday, January 27, 2016 by kensy lara

Math
How do you do 4ln(2x+3)=11
Wednesday, January 27, 2016 by Math

Math
The graph below shows the sales of a popular song each week it was in a Top 40 song chart. which statement most accurately describes the slope of the graph A. The sales increased by 1 hundred thousand every 2 weeks. B. The sales decreased by 1 hundred thousand every 2 weeks...
Wednesday, January 27, 2016 by Rita

Math
A swimming pool was filled with 600 gallons of water in 20 minutes. What was the rate at which the pool was filled A.25 gallons per minute B.30 gallons per minute *** C.50 gallons per minute D.150 gallons per minute A swimming pool was filled with 600 gallons of water in 20 ...
Wednesday, January 27, 2016 by Rita

Math
Need help solving for x with work shown 2log6(4x)=0 Log2(x)+log2(x-3)=2
Wednesday, January 27, 2016 by Bob

Math
What is the slope of the line containing the points (-9,2) and (3,14)?
Wednesday, January 27, 2016 by Anonymous

Math : fraction
During a triathlon, Susan swims 1/4 of the total route and cycles 3/5 of the renaming route. She runs the rest of the route. If she runs 3,600 meters, find the total distance of the triathlon route?
Wednesday, January 27, 2016 by Meet

Math
Hooke's Law states that the distance a spring will stretch beyond its natural length varies directly with the force applied to the spring. A force of 12 pounds is needed to stretch a certain spring 9 inches beyond its natural length. Find a formula that models the length a...
Wednesday, January 27, 2016 by Sami

math
There are 5 red cubes and 10 green cubes in a bag. A cube is picked then put back in the bag and another is chosen. If I did this is done 180 times, how many green cubes would you expect to have picked?
Wednesday, January 27, 2016 by Anonymous

Math
@ reiny. . . 9x^4-24x^3+16x^2. .i have done it bt i want you to do it 4 me to confirm
Wednesday, January 27, 2016 by Afeez

Math - Percents
Harry and Justin have 180 stickers. If Harry has 25% more stickers than Justin, how many stickers does Justin have?
Wednesday, January 27, 2016 by John

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