Monday
May 30, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

Math-check my answers!!!
Check my answers please!!!! I really don't know how to do these but I tried my best 1. Simplify. 3x^2+ 5x-5x^2-4x+5-2 A.-8x^2-9x+3 B.2x^2+x+3 C.-2x^2-9x+3*** D.-2x^2+x+3 2. Add or Subtract.(8x – 2y) + (3x – 4y) A.11x+8y B.4x-y C.11x-6y*** D.5x+2y 3.(5x^2-4x-1)-(-...
Tuesday, April 26, 2016 by Jazmin G.

Math
number obtained by interchanging the digits of a two digit number is less than the original by 18 and the sum of the digit ia 6. what is the original number ?
Tuesday, April 26, 2016 by Shalini

math
A stone is thrown upward and rises 9ft before starting to fell. Find the total time taken for the stone to return to the starting point
Tuesday, April 26, 2016 by gillian

math
my son informed me that a comic book I purchased for 10 cents in 1948 is worth $85. today what has been the average annual compound rate of return on that valuable asset
Tuesday, April 26, 2016 by Stephanie

Math
Two old friends meet. They hadn't seen each other in 22 years. Betty is 6 years older than France's, but neither is older than 50. The sum of their ages when they met is exactly half of their ages today. How old is Betty? B= F+6 B=50-22 =28 F =50 -22=28 B=28+6=34 Betty...
Tuesday, April 26, 2016 by Steve

Math
The ordered pairs (2,-21) and (5,-45) are solutions to which of the following equations? y = -8x - 5 y = -8x + 5 <---- my answer y= 8x - 5 y= 8x + 5
Tuesday, April 26, 2016 by Steve

math
there are 7 runners on the track team.runners will be selected randomly for first,second,third and final positions on 4 member relay team. a)how many different relay teams can be formed? b)what is the probability that a runner at random is chosen to be in the relay team? I got...
Tuesday, April 26, 2016 by Munna

math
A body is thrown vertically upward from the ground with an initial velocity of 96 ft/sec. Find the maximum height attain by the body
Tuesday, April 26, 2016 by gillian

Math
URGENT! an artist intends to paint a 60-square-foot mural on a large wall that is 18 ft wide and 11 ft tall. find the dimensions of the mural if the artist leaves a border of uniform width around it. Pls show me how'd you get your answer
Tuesday, April 26, 2016 by Laveeh

Math
19 students share 6 pizzas each need equal portions how much will each one have? I divided 6 pizzas into 8 pieces which gave me 48 pieces so 6/8 of a pizza
Tuesday, April 26, 2016 by Bobby

Math
Jina is driving to Boston. Suppose that the remaining distance to drive (in miles) is a linear function of her driving time (in minutes). When graphed, the function gives a line with a slope of −0.95 Jina has 44 miles remaining after 34 minutes of driving. How many miles...
Tuesday, April 26, 2016 by Christine N.

Math
A farmer wants to plant 80 acres of corn a soybeans in a ratio of 7 to 9. How many acres of each must he plant?
Tuesday, April 26, 2016 by May

math
kimberly is making lemonade for her glass. she mixes 2 liters of lemonade and 3000 ml of strawberry juice, how many litres of lemonade will kimberly have
Tuesday, April 26, 2016 by Anonymous

Math
Meg concludes that students spend a mean of 7 hours in school each day. Tara thinks the mean is 6 hours. Who is correct—Meg or Tara? Explain your answer in two or three sentences. Make sure to use facts to support your answer
Monday, April 25, 2016 by Anonymous

Math
A quiz contains three True/False questions. If a student attempts to answer the questions by guessing, what is the probability that the student will answer all three questions correctly ?
Monday, April 25, 2016 by Lauren

Math
Let f(x) = x^3 + 3x ^2 + 4x - 7 and g(x) = -7x^4 + 5x^3 +x^2 - 7. What is the coefficient of x^3 in the sum f(x) + g(x)? Thanks.
Monday, April 25, 2016 by Jane

Math PLZZZ HELP ME!!!!!
experimental probability predict the number of times you will roll a 5 if you roll the number cube 300 times. 15•• 27 48 54 experimental probability that two out of the first three students to arrive at the school are girls. 1/5 1/4 2/5•• 1/8 Correct me
Monday, April 25, 2016 by Brasil

Math
A test paper contains ‏ question with the possible answers of <,> Draw a tree diagram that represents all the possible answer to question of this type
Monday, April 25, 2016 by mymoona

math
Your neighbor is planting a 10 ft. x 10 ft. vegetable garden. She wants it divided into 4 equal parts to grow an equal amount of potatoes, broccoli, zucchini, and lettuce. She has already planted 25 sq. ft. of broccoli. What fraction of the garden is left for the potatoes, ...
Monday, April 25, 2016 by renita

math
Mrs. Li baked a cherry pie for her 3 sons to share equally. She cut the pievinto 6 slices. What fraction of the pie did each son get? If each son only ate half of his share, what fraction of the whole pie was left over?
Monday, April 25, 2016 by renita

Math
2. Based on the experimental probability predict the number of times you will roll a 5 if you roll the number cube 300 times. 15•• 27 48 54 experimental probability that two out of the first three students to arrive at the school are girls. 1/5 1/4 2/5•• 1/...
Monday, April 25, 2016 by Brasil

math
Lucy and Katie sold lemonade. They bought the lemonde in quart-size bottles. They sold 12 cups, using all the lemonade. How many quart- size bottles did they buy?
Monday, April 25, 2016 by renita

Math
if P(blue)is 0.3 what is P(not blue)? 0.3 0.5 0.6•• 0.7 Correct me
Monday, April 25, 2016 by Brasil

Math
Four digit decimal between 10 and 20 my tenths digit is twice my tens digit sum of my tenths and my ones digit equals my hundredth digit the sum of all my digits is 11
Monday, April 25, 2016 by Emma

Math
what is the probability of getting an even number when rolling a six sided number cube? 0.5 5% 2/6•• 30% Correct me
Monday, April 25, 2016 by Brasil

Math
For the sequence an=6n+1, its first term is its second term is its third term is its fourth term is its 100th term is
Monday, April 25, 2016 by Anonymous

Math
A population of 1,750 cheetahs decreases by 11% per year. How many cheetahs will there be in the population after 10 years? Round your answer to the nearest whole number. A. 4,969 B. 486 C. 546 D. 1,640 B?
Monday, April 25, 2016 by Martin1162

math
1/6 x 7/8 + 6 = what
Monday, April 25, 2016 by awesome

Math(Quadratic Functions)
Determine the quadratic function, f(x), with x intercepts at x=7 and x=-2 and y intercept at y=5. I have been struggling with this question for days. I have phoned my teacher and gotten her help, but I still can't figure it out. If someone could please help me with this, ...
Monday, April 25, 2016 by Heaven

Math
If ahmad ran 3/8 of a mile on wednesday , how much more did she run on monday and Tuesday than on wednesday ?
Monday, April 25, 2016 by Asma

Math
Jason inherited a piece of land from his great-uncle. Owners in the area claim that there is a 45% chance that the land has oil. Jason decides to test the land for oil. He buys a kit that claims to have an 80% accuracy rate of indicating oil in the soil. If the test predicts ...
Monday, April 25, 2016 by anaonymous

Math
In the figure KE is parallel to LF which is parallel to MG which is parallel to NH etc Also DK:KL= 2:1 DL:LM= 2:1 DM:MN= 2:1 etc If KE= 2cm,calculate the length of the 10th parallel line,rounded off to one decimal. (N.B NH is the 4th parallel line)
Monday, April 25, 2016 by Sashen

Math
In triangle XYZ,A is the midpoint of YZ. The bisector of the exterior angle at X of XYZ cuts YZ produced at B. The line through A parallel to XB, cuts XY at P and XZ produced at Q. 1. PY= QZ
Monday, April 25, 2016 by Sashen

Math
In triangle XYZ,A is the midpoint of YZ. The bisector of the exterior angle at X of XYZ cuts YZ produced at B. The line through A parallel to XB, cuts XY at P and XZ produced at Q. 1.PY/PX = ZA/ BA = QZ/QX
Monday, April 25, 2016 by Sashen

math
During an amorous struggle, the lady's pearls broke. Half of the pearls fell onto the floor, a fourth rolled under a chair, a sixth fell into her lap, and three pearls remained on the strain. How many pearls were there originally on the strand?
Monday, April 25, 2016 by Anonymous

Math
Half of a number added to a fifth of three less than the number is equal to two-thirds the number. What is the number? my answer: the number is 18
Monday, April 25, 2016 by PLEASE CHECK MY ANSWER ASAP!

Math
The product of two consecutive negative integers is 2,070. What are the numbers?
Monday, April 25, 2016 by Anonymous

Math
Which survey question is biased? Which is your favorite, pizza or spaghetti? Which subject is your favorite, math, which is easy, or English, which is difficult? ••• Who do you live with: both parents, mother only, father only, or another guardian? Should ...
Monday, April 25, 2016 by Brasil

Math
Greg rode his bicycle at a constant speed of 20 miles per hour. Plot points on the graph to present the distances Greg rode after 1,2,3, and 4 hours (1 hour = 20 miles, 2 hours = 40, 3 hours = 60, 4 hours = 80 miles). Write an equation to represent the relationship between ...
Monday, April 25, 2016 by Harper

Math
Federico needs to frost 36 cupcakes for a party. He has already frosted 23 cupcakes and wants to know how many more he has to frost. He writes the following two equations to represent the problem, but does not know which equation is correct: 23 + c = 36 36 - c = 23 Which ...
Monday, April 25, 2016 by Lee

Math
Which of the following types of information is suited for display on a double line graph? Average wages paid to men and to women over 5 years Average height of basketball players in five schools Average age of people entering the public library in five locations Average price...
Monday, April 25, 2016 by Brasil

math
write an expression that represents how much you would make per hour on holidays if you earned time and a half (40 hours for 50 weeks)
Monday, April 25, 2016 by Rose

Math
Here is the problem. I got the answer but I would like a better understanding. Find the equation of a line that passes thru(6,-2) and is perpendicular to equation x-3y+16. I got the final answer being -3x+16. Can someone please explain how to get this? I am so confused!
Monday, April 25, 2016 by Jenn

math
A crowd of people is watching a live TV show in an auditorium. Section B of the auditorium has eight rows of seats. Each row has 10 seats. If 75 percent of Section B is occupied, how many people are seated in that section?
Monday, April 25, 2016 by Matthew

Math
A surveyor standing 2,227 ft from the base of the World Trade Center in New York City measured a 31 degrees angle to the topmost point. To the nearest feet, how tall is the World Trade Center?
Monday, April 25, 2016 by Anonymous

math
The table Below using the following equation . D= 5 + 5t which set of numbers can be the value of D t . D 0 . 1 . 2 . 3 . A) 0,5,10,15 B) 5,10,15,20 C) 0,10,15,20 D) 0,6,12,18
Monday, April 25, 2016 by Lucian

Math
Erica painted all but 6 square feet of a wall in the shape of a square. How many square feet of the wall did she paint What is this situation in an algebraic expression?
Monday, April 25, 2016 by Anonymous

Math, please help
Write a real world situation that can be represented by the expression 8(t - 3). Tell what the variable represents then give a value for t and evaluate the expression.
Monday, April 25, 2016 by Mike

Math
Which equation represents the relationship in the table below? K . M -----------.------------ 1 . 5 2 . 10 3 . 15 4 . 20 5 . 25 A) m=5k B) k=5m C) m= 5 + k D) k= 5 + m
Monday, April 25, 2016 by Dan

math
write an algebraic or numeric expression for the following:Take away 30 from j
Monday, April 25, 2016 by sierra

Math
Write a real world situation that can be represented by the expression 8(t - 3). Tell what the variable represents then give a value for t and evaluate the expression.
Monday, April 25, 2016 by Jamie

math
In triangle XYZ,A is the midpoint of YZ. The bisector of the exterior angle at X of XYZ cuts YZ produced at B. The line through A parallel to XB, cuts XY at P and XZ produced at Q. 1. PY= QZ
Monday, April 25, 2016 by lee

Math
Antione and Zachary each wrote an expression to represent the problem "sixteen more than a number divided by four" Antoine wrote the expression 16 + n ÷ 4. Zach wrote the expression (16 + n) ÷ 4. Tell which student id correct
Monday, April 25, 2016 by Micheal hyde

math
In triangle XYZ,A is the midpoint of YZ. The bisector of the exterior angle at X of XYZ cuts YZ produced at B. The line through A parallel to XB, cuts XY at P and XZ produced at Q. 1.PY/PX= ZA/BA = QZ/QX. Please help
Monday, April 25, 2016 by anne

Math
Erica painted all but 6 square feet of a wall in the shape of a square. How many square feet of the wall did she paint (below) What is this situation in an algebraic expression?
Monday, April 25, 2016 by samuel howell

math
**In the Figure KE is parallel to LF which is parallel to MG which is parallel to NH etc. Also DK: KL= 2:1 DL:LM = 2:1 DM: MN=2:1 etc If KE = 2 cm , calculate the length of the 10th parallel line,rounded off to one decimal place.(N.B NH is the 4th parallel line)
Monday, April 25, 2016 by Jo

Math
Erica painted all but 6 square feet of a wall in the shape of a square. How many square feet of the wall did she paint?
Monday, April 25, 2016 by Christian Hawthorne

Math
An Equilateral Triangle Of Side 20cm Is Inscribed In A Circle.Calculate The Distance Of A Side Of The Triangle From the Centre Of The Circle.
Monday, April 25, 2016 by Jo

Math
Greg rode his bicycle at a constant speed of 20 miles per hour. Plot points on the graph to represents the distances Greg rode after 1, 2, 3, and 4 hours (1 hour= 20 miles, 2 hours= 40 miles, 3 hours= 60 miles, 4 hours= 80 hours) Then write an equation to represent the ...
Monday, April 25, 2016 by Lucifer Albernathy

Math
Is 7/8 larger than 5/6in
Monday, April 25, 2016 by Anonymous

Math
Inez stretched for 19 mins before jogging on a trail. It took her 5 minutes to run each lap around the trail. Write an equation to represent the relationship between the number of laps, l, and time, t. 1 lap= 15 min 2 lap = 30 min 3 lap=45 min 4 lap = 60 min
Monday, April 25, 2016 by Julian Aldaine

Math
Federico needs to frost 36 cupcakes for a party. He has already frosted 23 cupcakes and wants to know how many more he has to frost. He writes the following two equations to represent the problem, but does not know which equation is correct: 23 + c = 36 36 - c = 23 Which ...
Monday, April 25, 2016 by John smith

Math
The number of bacteria in a certain culture T hours from now grows according to A=800(3)^t what will the count be in 3.12 hours from now?
Monday, April 25, 2016 by Mark

Math
the current population of a city is 45000 and is increasing according to P=45000(1+t)^n and n=number of years. if the rate of increase is 7.5% how long will it take the population to double?
Monday, April 25, 2016 by Craig

Math/Precal
how do i solve log(8y-7)/logy
Monday, April 25, 2016 by Maxx

math
what percent of women are between 62 and 66 inches tall
Monday, April 25, 2016 by Anonymous

math
In triangle XYZ,A is the midpoint of YZ. The bisector of the exterior angle at X of XYZ cuts YZ produced at B. The line through A parallel to XB, cuts XY at P and XZ produced at Q. 1. Prove PX= QX
Monday, April 25, 2016 by sashen

math
Why is it important to line up the fraction strips on the left.
Monday, April 25, 2016 by khamiyah

math
A cylinder container has a radius 5 cm and height 10 cm filled with water. If a filled container weight is 2 kg. What is the weight of the empty container ?
Monday, April 25, 2016 by Farhan Ameen

Math/Precsl
Solve: log(8y+12)=2
Monday, April 25, 2016 by Sean

math
no row or column contains products with only odd numbers , do you agree?
Monday, April 25, 2016 by greg

math
there are essay competion will be held and winner will get rupees 100and who don't win will get rupees 25.there are total prize money is rupees 3000.and total participant is 63.find the number of winner.
Monday, April 25, 2016 by narinder kumar

Math
A person plans to invest a total of $9000 in an account that pays 3% annual interest and another account which pays 8% annual interest. How much should be invested in each account so that the total interest for one year will be $580.
Monday, April 25, 2016 by Emily

Math/precal
How do i solve y=7b^x to find the y and x intercept?
Monday, April 25, 2016 by Carl

Math
Ava made 100 paper cranes, and Brittany made34of the number of paper cranes Ava made. Ava gave920of her paper cranes to Brittany. Then, Brittany gave14of her paper cranes to Ava. How many more paper cranes did Brittany have than Ava in the end?
Monday, April 25, 2016 by Drake

Math
the mean hourly wage of employees at his company using the data in the table. In a report he stated, “The typical salary at the company is about $23.00 per hour.” How is this misleading? $6.50 $6.50 $6.50 $6.50 $6.50 $6.50 $6.50 $7.50 $7.50 $7.50 $7.50 $7.50 $7.50 $7...
Monday, April 25, 2016 by Brasil

math
What game did Tarzan like to play ?
Monday, April 25, 2016 by Bee

math
Leaf and plot diagram How many students ran 6 or more miles 4 3 5 5 0 5 6 6 2 2 4 7 1 3 8 0 4 Is the answer 7 Thanks
Monday, April 25, 2016 by cory

Math
An artist has 8 square feet of canvas to paint. The canvas was rectangular and the length was twice as long as the width. How long was the canvas?
Monday, April 25, 2016 by Antoinette

Math
The radius of a cylinder is 3.5 ft. The height is 14 ft. Find the surface area and volume of the cylinder to the nearest tenth of a foot. I think the volume is 538.51 in^3. I just don't know the SA. Is it, possibly, 164.85 in^2. Or, no where closer than that answer?
Monday, April 25, 2016 by Sid

Math
What is the simplified form of the expression? 1/3(21m + 27) A. 63m + 9 B. 7m + 9 C. 7m + 81 D. 7m + 27 i need help plz don't know how to do it.
Monday, April 25, 2016 by Martin1162

Math
Guest at a party drank 1.5 gallons of fruit punch if one serving was 8 ounces how many servings of fruit punch did the guest drink in all
Monday, April 25, 2016 by Priscilla

Math
The numbers of two consecutively numbered gym lockers have a sum of 153. What are the locker numbers?
Monday, April 25, 2016 by Ashley

math
1.A milling machine has a gear that spins, making one complete rotation counter clockwise every 360 milliseconds. The gear has a tooth with a marker in it as shown in the diagram below. There is a sensor 30mm below the center of the gear as viewed from the diagram that ...
Monday, April 25, 2016 by julian

math
1.A wind turbine has blades 50m in diameter and an overall height of 125m. If it has four blades instead of three, create four equations modelling the height of a point on the tip for each of the four blades. 2.Create a sine equation for the height of a point as shown below. ...
Monday, April 25, 2016 by josh

math
Create sketches by hand of the following sine functions, showing at least one full period and state the domain and range. Submit them to your teacher using the drop box above. It may be easiest for you to scan your hand drawn sketches and submit the scan file. Part A: ...
Monday, April 25, 2016 by james

math
You are standing beside a merry-go-round that your friend is riding. The merry-go-round is 8m in diameter. Describe how the shape of the sine curve models the distance from you and your friend. Identify the function that will model this situation as well as a function that ...
Monday, April 25, 2016 by Cris

math
Julian spent 45 minutes doing his math homework. He spent 35 minutes doing his science homework. Afterward, he did his reading homework. He ended up studying for 2 hours and 15 minutes altogether. How long did it take him to do his reading homework?
Monday, April 25, 2016 by renita

Math
Have 6 number of trucks and 2 number of cars. What is the difference between the number of cars and trucks?
Monday, April 25, 2016 by Zoe

MATH
What would be the circumference of a cylinder that has a height of 8 inches and a radius of 1.6?
Monday, April 25, 2016 by Lee

math
What is the cheapest way to go to a ball game if the admissions options are as shown?
Monday, April 25, 2016 by brionna

Math
The ratio of the sides of 2 similar cube dis 3:4 the smaller cube has a volume of 729 Wat is the volume of the larger cube
Monday, April 25, 2016 by Gul

math
Logan bought 12 cookies at the bakery. If 1/3 were chocolate chip, 1/3 were mint, and 1/3 were peanut butter, how many of each kind of cookie did Logan buy?
Monday, April 25, 2016 by renita

ssis, math
your garden yard is 50ft wide and perimeter is 500 square.you have 88 feet of garden fencing your garden have a perimeter of 88 feet. suppose u made your garden 5 feet wide, what would it is length and area, area of the left over space in the yard.
Monday, April 25, 2016 by ritvik

Math
(33 +19)2(33+19-1)
Monday, April 25, 2016 by Denise

Math
(2)(33)(19)[2(33)(19)-33-19]
Monday, April 25, 2016 by Denise

math
Ms. Tucker travels through two intersections with traffic lights as she drives to the market. The traffic lights operate independently. The probability that both lights will be red when she reaches them is .22. the probability that the first light will be red and the second ...
Monday, April 25, 2016 by Jamie Johnson

math
The Ruderman's swimming pool is 2m(shaded), 3m, 4m, 5m,and 6m. What is the total area of the pool? What is the area of the shaded part of the pool?
Sunday, April 24, 2016 by reita

Math
by completing the​ square, what value should you add to each side of the​ equation? x^2- 7x=5
Sunday, April 24, 2016 by Kelly

Math
into the​ air, and its height h in feet after t seconds is given by h left parenthesis t right parenthesis equals negative 16 t squared plus 96 t plus 3h(t)=−16t2+96t+3. ​(a) What is the height of the baseball when it is​ hit? ​(b) After how many ...
Sunday, April 24, 2016 by Arielle

  1. Pages:
  2. <<Prev
  3. 11
  4. 12
  5. 13
  6. 14
  7. 15
  8. 16
  9. 17
  10. 18
  11. 19
  12. 20
  13. 21
  14. 22
  15. 23
  16. 24
  17. 25
  18. Next>>