Wednesday

October 26, 2016
**Math**

How we find the 101th term in terms of x (n+1)x + (-1 + 2(n-1))

*Monday, September 12, 2016 by Anonymous*

**Math**

The radii of two spheres are 4ft and 8ft find the volume of a spheres whose surface area is equal to the sum of the surface areas of these two spheres.

*Monday, September 12, 2016 by Perlie *

**math**

2x-1, 3x+1, 4x+3, 5x+5 ... find the formula

*Monday, September 12, 2016 by Anonymous*

**Math**

Given 800 matches, what is the largest figure in the series(ie what value of n) that you could construct and how many matches would you have left over at the end?

*Monday, September 12, 2016 by Andrew*

**Math **

A ship leaves port and sails at a bearing of 124degrees. Another ship leaves the same port at the same time sailing at a bearing of 74degrees. When both ships are 80 miles from the port, how far are they from each other?

*Sunday, September 11, 2016 by ade*

**4th grade math**

Write two 5-digit addends whose sum would give an estimate of 60,000

*Sunday, September 11, 2016 by Heather*

**Math **

A roller Coaster begins at 90 ft above ground level. Then it descends 105 ft. find the height of the coaster after the first descendent

*Sunday, September 11, 2016 by Miriam *

**math**

The width of a rectangle is 8 less than twice its length. If the area of the rectangle is 172 cm^2, what is the length of the diagonal?

*Sunday, September 11, 2016 by Nelson*

**math**

3a+2b+5a

*Sunday, September 11, 2016 by Mattie*

**Math**

5 1/6 in the form of as a/b where a and b are integers

*Sunday, September 11, 2016 by Belen*

**Math**

9. Find two numbers whose difference is 20 and one third of their sum is 40.

*Sunday, September 11, 2016 by Jennifer*

**math**

name the property that justifies each step 2(3x-4)=8x-11

*Sunday, September 11, 2016 by gary*

**Math**

How many 2's must be multiplied together for the product to be a number between 100 and 200?

*Sunday, September 11, 2016 by Maddy*

**Math**

General term of 2x-1, 3x+1, 4x+3, 5x+5

*Sunday, September 11, 2016 by Titin*

**math**

figure (N) 1 , 2 , 3 Number of Square (S) 2 , 7 , 12 What is the formula?

*Sunday, September 11, 2016 by cindy*

**Math**

Tell whether the sum between the two integers is always, sometimes, or never positive. Two Positive Integers: Sometimes One Positive and one negative integer: Always Is it right?

*Sunday, September 11, 2016 by Yuki*

**Math**

I have a bag with 2 different kinds of objects: 17 cubes, 19 spheres. If I randomly pick from the bag 5 of these objects without return any of it, what is the probability of getting at least 1 of each kind?

*Sunday, September 11, 2016 by Chris *

**Math **

You decide you will buy a stock only if it shows an overall increase over the next 30 days. The first 10 days, it has an average daily increase of $0.30. The next10 days, it has an average daily decrease of $0.45. The last 10 days, it has an average daily increase of $0.25. a...

*Sunday, September 11, 2016 by HELP!*

**Math **

Of the set [ -5,5,-3,8], which two numbers have the same absolute value? Explain.

*Sunday, September 11, 2016 by Pokemon*

**Math **

You decide you will buy a stock only if it shows an overall increase over the next 30 days. The first 10 days, it has an average daily increase of $0.30. The next10 days, it has an average daily decrease of $0.45. The last 10 days, it has an average daily increase of $0.25. a...

*Sunday, September 11, 2016 by Darius*

**Math **

Of the set [ -5,5,-3,8], which two numbers have the same absolute value? Explain.

*Sunday, September 11, 2016 by Callie*

**Math Trigonometry**

A ship leaves port and sails at a bearing of 124degrees. Another ship leaves the same port at the same time sailing at a bearing of 74degrees. When both ships are 80 miles from the port, how far are they from each other?

*Sunday, September 11, 2016 by Adrienne*

**Math**

Suppose you have a coin that lands on Heads with probability 0.6 There are three coin flips defined as X. Heads count 1 and tails count 0 – e.g., if three heads then X= 3; if a head and two tails then X = 1; if three tails the X = 0. What is the expected value of X? I'...

*Sunday, September 11, 2016 by Marc*

**math**

The women’s recommended weight formula from Harvard Pilgrim Healthcare says, "Give yourself 100 lb for the first 5 ft plus 5 lb for every inch over 5 ft tall." a. Find a mathematical model for this relationship, where W be the recommended weight in lbs for a ...

*Sunday, September 11, 2016 by Catlyn*

**Math Trigonometry**

Two forces act on a point. One force is 35 newtons. The other is 22 newtons. The angle between the two forces is 52degrees. Find the magnitude of the resultant force in newtons.

*Sunday, September 11, 2016 by Adrienne*

**Math**

an oak tree casts a shadow that is 5 meters long. at the same time, a 6.2-meter-tall flagpole casts a shadow 4 meters long. how tall is the tree?

*Sunday, September 11, 2016 by Aaron*

**Math College**

The women’s recommended weight formula from Harvard Pilgrim Healthcare says, "Give yourself 100 lb for the first 5 ft plus 5 lb for every inch over 5 ft tall." a. Find a mathematical model for this relationship, where W be the recommended weight in lbs for a ...

*Sunday, September 11, 2016 by Catlyn*

**Math**

Mask put 130trading cards in protector sheet he fills 7 sheet and put the remaining 4 cards and 8 sheets each of the sheets has the same number of cards how many cards are in each filled sheet

*Sunday, September 11, 2016 by Sharon*

**Math**

-2+3{6-(1-9]=? I got 14. I just need you to check if its right

*Sunday, September 11, 2016 by Xsad*

**Math**

-2+3[6-(1-9)

*Sunday, September 11, 2016 by Xsad*

**Math Domains**

I need help with finding out the domain of f(x)= sqrt(x(x-2)). I keep getting the wrong answer. Please help me out and explain.

*Sunday, September 11, 2016 by Ryback*

**Math**

Sam ranks movies on a scale of 1-100. If he adds 2 points to each movie in his collection, and the range of the ranking was 54, what is the range when the 2 points are added ?

*Sunday, September 11, 2016 by Mary *

**Math**

George has a goal of walking 9/2 kilometers today. Each time he walks to school and back, he walks a total of 1/2 kilometers. What is the meaning of 9/2 divided by 1/2? a. The speed in kilometers per hour that George needs to walk in order to reach his goal. b. The fraction of...

*Sunday, September 11, 2016 by Matt*

**Math**

If P^2+q^2 = 25 and 2 pq=10. What is the value of (p-q) ^2?

*Sunday, September 11, 2016 by Mary *

**Math**

Jack has baseball practice every third and swimming practice every second day. During a month that has 30 days how many days will jack have both practices. I am a little stuck on this one. Can you point me in the right direction?

*Sunday, September 11, 2016 by Matt*

**math**

A group of hikers buys 8 bags of mixed nuts .Each contains 3 1/2 cups of nuts.The mixed nuts are shared evenly among 12 hikers.How many cups of mixes nuts each hiker receive?Show your work or explain your answer.

*Sunday, September 11, 2016 by Anya dunglas*

**Math**

In one school, 5/6 of the sixth graders take a foreign language. Of these students 2/5 take French. What fraction of the sixth graders take French. Answer: 5/6 x 2/5=25/30 + 12/30=37/30=1 7/30 Can you please double check my answer to see if I got it right.

*Sunday, September 11, 2016 by Matt*

**math**

What is the quotient and remainder of 4x^3-2x^2+x+1 divided by x+2?

*Sunday, September 11, 2016 by Hannah*

**math**

Determine the area of the square ABCD with AB=3rd

*Sunday, September 11, 2016 by boo boo*

**College Algebra **

In 1977, a math professor bought her condominium for $60,000. The value of the condo has risen steadily so that in 2007 real estate agents tell her the condo is now worth $750,000. Find a formula to represent these facts about the value of the condo V (t), as a function of ...

*Sunday, September 11, 2016 by Hazle Md*

**Math **

A model of A car has a scale of 3 cm : 2m the length of the actual hood of the car is 1m what is the length of the hood of the model

*Sunday, September 11, 2016 by Nate *

**math**

the digit at the tens place of a 3 digit number is 4 more than the digit at its once place

*Sunday, September 11, 2016 by Meena*

**math**

mother had $240 more than father at first .after mother spent $260 on a dress father had twice as much money as mother .find the amount of money mother had at first ?

*Sunday, September 11, 2016 by kelly lim*

**Math**

The wingspan of a Boeing 747-400 is 64.4 metres. a. If a scale model is built to the scale 1:20, what would the wingspan of the model be in centimetres? b. If the wingspan of another model is 53 cm, find the scale of the model in the form 1:x.

*Sunday, September 11, 2016 by Tiffany*

**Math**

1. What is one period of the function f(x) = 120 sin(120πx). 2. When does f(x) = 25 − x − sin(x) cross the x-axis?

*Sunday, September 11, 2016 by Steve*

**Math**

[ ]+[ ]+[ ]=30 Fill the boxes using this (1,3,5,7,9,11,13,15) Note: you can also repeat the number twice

*Sunday, September 11, 2016 by Moyo*

**Math**

A classmate writes a rate for Exercise 1 to express the degrees rotated in 2 minutes. Explain her error and give the correct rate. 1.25÷2/5÷2= 0.625÷2.5

*Sunday, September 11, 2016 by kaur*

**statistic**

A final exam in Math 160 has a mean of 73 with standard deviation 7.73. Assume that a random sample of 24 students is selected and the test score of the sample is computed. Assuming the scores are normally distributed, what percentage of sample means are less than 76&#...

*Sunday, September 11, 2016 by Anonymous*

**Math**

If Mary ate two apples and Bob ate three apples, how many apples did Mary eat.

*Sunday, September 11, 2016 by Gloria*

**math 101**

how much liquid containing 6% boric acid should be mixed with quarts of liqud that is 15% boric acid in order to obtain a solution that is 12% boric acid?

*Sunday, September 11, 2016 by Arvee*

**Math**

pattern Sort sticks Long sticks number (n) (S) (L) 1 4 2 2 7 4 3 10 6 find formula

*Sunday, September 11, 2016 by cindy*

**Math**

Figure (N) 1 2 3 Number of Coin (C) 4 7 10 Find Formula

*Sunday, September 11, 2016 by dina*

**math**

write down the general term of the following pattern 1 1 2 4= 1 + 3 x 1 3 7= 1 + 3 x 2 4 10= 1 + 3 x 1 ... n _________

*Sunday, September 11, 2016 by didin*

**Math Solving problem**

In an egg and spoon race, children must transport eggs from one end of a course to the other. Points are awarded for each successfully transported, and points are deducted for each egg which drops and breaks. Jenny transported 5 eggs and dropped 2 eggs for a score of 11 ...

*Sunday, September 11, 2016 by CC*

**Math**

find the constant of variation if y varies directly as x, and y=17 when x=24

*Saturday, September 10, 2016 by Tisa*

**Math**

1. what is the solution of 87 + (-396)? A 183** B -183 C 9 D -9 2. Evaluate: -12 x 3 =? A 36 B -36** C 4 D -4 3. Evaluate: -20 ÷ -10 =? A 200 B -200 C 2 D -2*** 4. Select all the problems that have a solution that is negative. -8 + 10 = ? 8 x (-2) +? -4 ÷ (-2...

*Saturday, September 10, 2016 by Frank *

**math**

A square is inscribed in a circle of radius 12dm. what is the area of the square?

*Saturday, September 10, 2016 by florence*

**math**

what is the measure of one side of a square whose diagonal is 12cm?

*Saturday, September 10, 2016 by florence*

**math**

what is the length of the diagonal of a rectangle 12m by 9m?

*Saturday, September 10, 2016 by florence*

**Math**

The table on the right shows the measured dimensions of a rectangular prism and the minimum and maximum possible dimensions based on the greatest possible error. What is the greatest possible percent error in finding the volume of the prism? (Round to the nearest ...

*Saturday, September 10, 2016 by Jourrapide*

**math**

what is the length of the distance between two corners of a box 3dm by 4dm by 5dm?

*Saturday, September 10, 2016 by florence*

**Math**

what is the solution to 204 - (-36)? A 240 B -240 C 168 D -168

*Saturday, September 10, 2016 by kim*

**math**

what is the area inscribed in the quadrant of a circle of radius 7cm?

*Saturday, September 10, 2016 by florence*

**Math trigo**

Tan 660'

*Saturday, September 10, 2016 by Anonymous*

**math**

The table on the right shows the measured dimensions of a rectangular prism and the minimum and maximum possible dimensions based on the greatest possible error. What is the greatest possible percent error in finding the volume of the prism? (Round to the nearest ...

*Saturday, September 10, 2016 by Jourrapide*

**Math**

The function rule T–4, 6(x, y) could be used to describe which translation?

*Saturday, September 10, 2016 by Kayla*

**Math**

I have a bag with 2 different kinds of objects: 11 cubes, 16 spheres. If I randomly pick from the bag 5 of these objects without return any of it, what is the probability of getting at least 1 of each kind?

*Saturday, September 10, 2016 by Nathan*

**Math**

Consider the graph of the parabola f(x)equals=x squaredx2. For xgreater than>0 and hgreater than>0, the secant line through (x,f(x)) and (xplus+h,f(x+h)) always has a greater slope than the tangent line at (x,f(x)). Choose the ...

*Saturday, September 10, 2016 by Ashley*

**Math **

How do you write this as an algebraic equation with two variables? Four times the number of cars less twice the number of trucks is 33? Thanks!

*Saturday, September 10, 2016 by Danielle*

**8th Grade Pre-Algebra**

Hi, I really need some help with scientific notation. How do I convert large numbers like 108,000,000 and other numbers that are even larger than this to scientific notation? This is for a math project and even though I learned about this, it's still hard for me to ...

*Saturday, September 10, 2016 by Music Lover 14*

**MAth**

How to I put grouping symbol to make 1+4*3+33^2-2^2=28

*Saturday, September 10, 2016 by Person*

**Math**

272 multiply 42 +272multiply 50+272multipy 8 and name the property applied on it

*Saturday, September 10, 2016 by Anonymous*

**Math**

the angle of elevation of a ladder leaning against a wall is 60Â° and the foot of the ladder is 5.8m away from the wall. The length of the ladder is?

*Saturday, September 10, 2016 by Manish*

**Math**

Question: 168.72/0.024=7.03 When I do this calculation on paper the above answer is what I get but when I do this calculation on a calculator I get 7,030.00 what I am doing wrong?

*Saturday, September 10, 2016 by Matt*

** math (opt) math 2**

A flagstaff of placed at one corner of a rectangular playground 40m long and 30m wide. If the angle of elevation of the top of flag staff from the opposite corner of 30°, find height of the flagstaff. (The question is complete and I have cross checked the question. ) I ...

*Saturday, September 10, 2016 by A GOODSTUDENT*

**math or chemistry**

5.4 x10^-2 by 2.5 x10^-3 by 7.9 x10^-3m volume = 106.65 x10-8m^3 Check pls yesterday you said 106.65 x10^-6. If you add 2+3+3 you get 8 is that right? Just want to make sure I'm doing it right. Thank you. I may have witten it differently.

*Saturday, September 10, 2016 by lulu*

**Math**

We can rewrite the expression 16 + 8 as 8x(2+1). Notice that 8 is the greatest common factor of 16 and 8. Use this same method to rewrite the expression 24 + 36 as the product of the greatest common factor of 24 and 36 and the sum of the remaining numbers. Answer: I added 24...

*Saturday, September 10, 2016 by Matt*

**s.g (math)**

if a triangle with sides 12 unit and 5 unit is inscribed in a circle with BC as diameter, then find the value of sin square theta +cos square theta -1

*Saturday, September 10, 2016 by neha*

**Intro to Algebra **

In 19977, a math professor bought her condominium for $60,000. The value of the condo has risen steadily so that in 2007 real estate agents tell her the condo is now worth $750,000. Find a formula to represent these facts about the value of the condo V (t), as a function of ...

*Saturday, September 10, 2016 by Hailey McCarthy *

**Math 201**

Tickets. Revenue 0. 0 10. 50 20. 100 30. 150 40. 200 what is the linear equation in relation between revenue,R, and the number of tickets purchased,T. thanks for the help in advance. very much appreciated

*Saturday, September 10, 2016 by Stevie*

**math or chemistry**

Check pls. 5.4 x 10^-2 by 2.5 x 10^-3 by 7.9 x10^-3 m volume = 107.44 x 10^-8 m^3

*Saturday, September 10, 2016 by lulu*

**Math 201H**

Payments Balance 0. 14,000 1. 13,600 2. 13,200 3. 12,800 4. 12,400 5. 12,000 6. 11,600 based on the tabel, develop a linear equatiom for the amount of the car loan balance,B (in dollars) as a function of the number of monthly payments,P. B=

*Saturday, September 10, 2016 by Stevie*

**Math**

Jack's age is 3 times more than his younger cousin, Gabby's age and 4 times more than his younger brother's. If Jack's younger cousin's age is 8, how old is his younger brother?

*Friday, September 9, 2016 by edwina*

**Math**

Tom has three pieces of rope with lengths of 140 cm, 168 cm and 210 cm. He wishes to cut the three pieces of rope into smaller pieces of equal length with no remainders. a) what is the greatest possible length of each of the smaller pieces of rope? b) how many of the smaller ...

*Friday, September 9, 2016 by Dara*

**Math**

You’re involved in the design of a new facility. It is important for people to move between work stations quickly. Based on the figure below, how many feet would a person need to walk to get from Work Station 1 to Work Station 3? Work Station 1 5 feet middle height Work ...

*Friday, September 9, 2016 by Tammie*

**math**

What is the perimeter of the facility? 20 feet

*Friday, September 9, 2016 by Tammie*

**Math**

The new facility is square in shape. The length of one of the wall is 20 feet. How many square feet is the facility?

*Friday, September 9, 2016 by Tammie*

**Math**

There are 72 boys and 90 girls on a math team. For the next competition, Mr Johnson would like to arrange all the students in equal rows with only girls and only boys in each row. What is the greatest number of students that can be in each row? Answer: 72 + 90=162 162/2=86 Can...

*Friday, September 9, 2016 by Matt*

**math**

three fireworks are fired at the same time. The first one is fired every 64 seconds, the second one is fired every 84 seconds and the third one is fired every 96 seconds. How many seconds after they start will it take until all three fireworks are again fired together?

*Friday, September 9, 2016 by lulu*

**Math**

I am also having big trouble with this math problem. A teacher is making identical activity packets using 92 crayons and 23 sheets of paper. What is the greatest number of packets the teacher can make with no items left over? Please help me.

*Friday, September 9, 2016 by Matt*

**Math**

I am very confused on how to figure out the below math problem: A traffic light changes every 30 seconds. Another traffic light changes every 40 seconds. Both lights just changed. After how many minutes will both lights change at the same time again? Please help me.

*Friday, September 9, 2016 by Matt*

**Math**

A train travels at an average speed of 15 m/s. a) Express its average speed in km/h b) Find the time in sec taken by the train to travel 750m

*Friday, September 9, 2016 by Tanto*

**math**

Explain the difference in meaning between |-3| and -3. In your explanation, be sure to include various key words you learned within this unit.

*Friday, September 9, 2016 by nania*

**Math**

China population is approximately 1.325 billion. The United States has approximately 0.304 billion. How many times as many people live in China than in the U.S. Round to the nearest tenth if necessary.

*Friday, September 9, 2016 by Lola*

**Math **

The stem-and-leaf plot shows the scores of Jon's Basketball team for the year. 3| 8 8 3| 3 5 7 5| 2 4 6 9 6| 1 3 8 3| 8 represents 38. What is the range of the basketball scores? 53 52 30 38

*Friday, September 9, 2016 by Frankie*

**Math **

A group of 54 randomly selected students from one school district participated in a survey. Out of the 54 students in the survey, 9 are enrolled in band camp. If there are a total of 1,200 students in the school district, which estimate is reasonable for the number of students...

*Friday, September 9, 2016 by Pokemon*

**Math **

Heidi conducted a survey in her neighborhood to determine the restaurant her neighbors preferred. Restaurant Number of Neighbors Pams Diner 23 Nick's 36 Magnolia 12 Olive Groove 22 Fine Dining 20 Patsy's 22 Best Eatery 22 Heidi concluded that one of the least preferred...

*Friday, September 9, 2016 by Callie*

**Math **

Tom is 17 year old and mary is 3 year younger then.tom how old will mary be in 5 year

*Friday, September 9, 2016 by Princess brown *

**Math Help needed quickly**

In a mixture of alcohol and water the concentration of alcohol is 55%. Water is 20 ml less than alcohol in the mixture. There should be _____ ml of alcohol and ____ ml of water to make up ____ ml of mixture

*Friday, September 9, 2016 by Quang*

**Math**

A 75% alcohol concentration mixture of water and alcohol and was made by mixing 30 ml of pure alcohol with 150 ml of original mixture

*Friday, September 9, 2016 by Jordan*