Tuesday
May 3, 2016

# Homework Help: Math

## Recent Math Questions

Math
You've recieved an invoice for 3,000$with terms of 3/10,1/20,n/30 how much wld you have to pay if payed in 12days Sunday, April 24, 2016 by Ysa Math Find the area between the two curves y=x^4-10x^2+36 and y=3x^2 Sunday, April 24, 2016 by Linda Math In the figure below <abc&<bdc are right angles;if ab=5cm,ad=3cm&bd=4cm, find bc&dc Sunday, April 24, 2016 by Ashenafi math the table below shows the population of four countries for the year 2006 expressed in scientific notation. Population in 2006 country population Lebanon 3.90x10^6 Mexico 1.08x10^8 Peru 2.84x10^7 Spain 45.5x10^6 of the countries listed, which one had the largest population in ... Sunday, April 24, 2016 by lisa Math M varies directly as n and inversly as the squere of p. If m=3 when n=2 and p=1.find m in terms of n and p. Sunday, April 24, 2016 by Wisdom Math, algebra 2 You are stacking soup cans for a display in a grocery store. Your manager wants you to stack 120 cans in layers, with each layer after the first having one less can then they layer before it. One can should be in the top layer. If you use all 120 cans, how many cans should be ... Sunday, April 24, 2016 by Nook math Describe xenophobic human rights violation that is taking place in your community or in a neighbouring community.give your own position on this issue Sunday, April 24, 2016 by lettt mamolebeledi math Estimate the circumference of the circle with the given radius or diameter. Use 3.14 for Sunday, April 24, 2016 by aseease 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? Sunday, April 24, 2016 by renita Math Arabella's password consists of 1 letter followed by two digits. What is the probability of correctly guessing Arabella's password? Sunday, April 24, 2016 by Blargh math a board of 4 members is going to be formed from the 30 students of a class. The board is formed of a president a vice president a secretary and a treasurer. What is the number of possible boards knowing that each of the 30 students can occupy any post? Sunday, April 24, 2016 by bill Math Scores on the LSAT are approximately normally distributed. In fact, published reports indicate that approximately 40 percent of all test takers score at or between 145 and 155, and about 70 percent score at or between 140 and 160. The full range of scores is 60 pts (120–... Sunday, April 24, 2016 by Mike math four girls bought each a swimsuit and decided to borrow among themselves. How many possible ways can they dress up knowing that each girl can use the same swimsuit only once? Sunday, April 24, 2016 by bill math according to a map the distance between hilltop and valleyfloor is 1 1/4 inches. if the map uses a scale of 1/4 inch to represent 1 mile inches what is the actual distance in mile from hilltop and valleyfloor? Sunday, April 24, 2016 by christine math Alyssa is making iced tea for a family picnic. She wants to make sure that each person can have at least 2 cups. If there are 30 people coming to the picnic, how many gallons of iced tea should Alyssa make? Sunday, April 24, 2016 by renita Math 24 oz. of soda cost$1.29. At that rate, how much would you expect 30 oz. of soda to cost?
Sunday, April 24, 2016 by Anonymous

Math
Scores on the LSAT are approximately normally distributed. In fact, published reports indicate that approximately 40 percent of all test takers score at or between 145 and 155, and about 70 percent score at or between 140 and 160. The full range of scores is 60 pts (120–...
Sunday, April 24, 2016 by Mike

math(counting)
an anagram of a word is obtained by permuting its letters. a-how many anagrams does the word "MAIRE" have b-Same question for the word "OISEAU"
Sunday, April 24, 2016 by bill

math(counting)
in how many different ways can 3 boys and 2 girls sit on a bench? in how many different ways can they sit knowing that the boys have to sit near each other and the girls also
Sunday, April 24, 2016 by bill

Math
Samina spent 1\8 of her money to buy books ,1\5 to buy clothes or 1\10 give to charity, if she had still rupees 15 ,more than half of her money ,find the amount she originally had
Sunday, April 24, 2016 by Syra

Math
Seth uses a school camera to take pictures for the yearbook and for the school paper. Last month he took 270 pictures for the yearbook and 180 pictures for the school paper with this camera. Which proportion can be used to determine p, the percentage of the total number of ...
Sunday, April 24, 2016 by Ale

math
In a GP, the sum of the 3rd and 4th terms is -4 /3, and the sum of the 4th and 5th terms is -4 /9. Find the 6th term
Sunday, April 24, 2016 by Anonymous

math
Problem 10.1. In an International Peace Congress, presidents of 40 different countries are to meet. The newspaper called “World News” wants to publish, on its cover page, photos of every handshake that will take place between every two presidents at the congress. 10....
Sunday, April 24, 2016 by tonita

math
the power (P) generated in a electrical circuit is proportional to the square of the current ( L amps) . when the power is 108, the current is 6 amps. a_ write down the relationship between P,L and the constant of variation k . b_ calculate the value of k c_ calculate the ...
Sunday, April 24, 2016 by emily

math
384,239
Sunday, April 24, 2016 by aisha

statistics
A math test consists of 17 multiple choice questions, each with five possible answers (a, b, c, d, e), only one of which is correct. Assume that a student takes the test and randomly answers the questions. What is the probability that the student will get no questions correct?
Sunday, April 24, 2016 by anon

math
Problem 10.1. In an International Peace Congress, presidents of 40 different countries are to meet. The newspaper called “World News” wants to publish, on its cover page, photos of every handshake that will take place between every two presidents at the congress. 10....
Sunday, April 24, 2016 by tonita

math
What is the value of the rational expression below when x is equal to 4? (x+20/x+4)
Sunday, April 24, 2016 by Maria Vazquez

math
Taylor series: f(x)=(1/16 +x)^(-1/4) =2-8x+80x^2 -960x^3..... and through differentiation g(x) = (1/16 +x)^(-5/4) =32-640x+11520x^2 but i then need to integrate about 0, h(x)=(1/16 +x)^(3/4) not really sure where to start out the integration one
Sunday, April 24, 2016 by s17

math
Write all possible 2 digit numbers,sum of whose digits is 12.
Sunday, April 24, 2016 by sanjoy

Solve for following applying spherical trigonometry... 1.Papua New Guinea (37° 45'N, 122°27'W)(since course was 260°) distance travelled =2250nm. A) use law of cosine to calculate a and thus altitude:or B) use law of sine to calculate N and thus longitude: ...
Sunday, April 24, 2016 by Darius

Lisa Richter deposited $5,000 at 4% compounded semiannually for three years. At the beginning of the fourth year, Lisa deposited$2,500. What would her balance be at the end of five years assuming she is still earning 4% compounded semiannually?
Sunday, April 24, 2016 by John

math
on a 1-8 numbered spinner, how do I find an even number or a number greater than 6?
Saturday, April 23, 2016 by Suzan

Math
How do i find x and y intercepts of y=7b^x
Saturday, April 23, 2016 by Carl

math
Saturday, April 23, 2016 by lisa

math
Joe made 15 points in a basketball game, 3 points are given for a long shot, 2 points given for a field goal, and 1 point is given for a free throw. In how many ways can Joe score 15 points? My answer: 6 ways is this correct or incorrect please help

Math
The difference between two numbers is 33. If three times the larger number is subtracted from six times the smaller number the difference is 18. Find the smaller number. 6n-3(n+33)=18 <--- equation answer: n= 39 <--- the smaller number!!

math
an astronomer estimated that a canyon on another planet was 2.5x10^3 kilometers long which is equivalent 25,000km 2,500km 0.025km 0.0025km please help
Saturday, April 23, 2016 by lisa

math
Joe made 15 points in a basketball game, 3 points are given for a long shot, 2 points given for a field goal, and 1 point is given for a free throw. In how many ways can Joe score 15 points?
Saturday, April 23, 2016 by Anonymous

math
which equation is true? square root 8^2=4 square root 6^2=24 square root 5^2=5 square root 3^2=81 please help
Saturday, April 23, 2016 by lisa

math
Saturday, April 23, 2016 by lisa

Math
How do i solve 36^5x= (6^x)(6^x-2)
Saturday, April 23, 2016 by Carl

math
Two particles A and B of mass 5kg and 9kg respectively rests on the smooth faces of a fixed wedge .They are connected by a light inextensible string passing over a smooth pulley at C and are released from rest.In the subsequent motion B hits the ground and does not rebound. a...
Saturday, April 23, 2016 by morgan

Math
How do i find the x and y intercept of y=5(3^x)
Saturday, April 23, 2016 by Shayne

Precal/Math
Solve: log(3-2x)-log(x+24)=0
Saturday, April 23, 2016 by Bobbie

Math
If f[g(x)] = x, then f(x) and g(x) are inverses of each other. Why? I don't get this in my math question.
Saturday, April 23, 2016 by Cindy

Math
What is the Greatest Common Factor of 36x+12y
Saturday, April 23, 2016 by Abigail

math
The area of a rectangular prism is 93.5 inches The height of the prism is 8 inches and the width is 2.5 inches I need help in finding the length of the rectangular prism
Saturday, April 23, 2016 by Lee

Math
A biased coin is tossed 3 times. The probability that the coin will land on heads is 0.6 The probability that the coin will land on tails three times is less than 0.1 Is this correct? Show all your working.
Saturday, April 23, 2016 by Geny

math
the length ( L cm) of an edge of a cube is proportional to the cube root of its mass ( M grams).It is known that if L= 15, then M=125. let K be the constant of variation. CALCULATE THE VALUE OF K
Saturday, April 23, 2016 by emily

math
the standard form of the equation of a parabola is y=x^2-6x+14.what is the vertex form of the equation?
Saturday, April 23, 2016 by kimberly

Math
Erin bought 12 yards of landyard.She cut the lanyyard into 1/2 yard pieces. Write an equation that represents the number of pieces of landyard,n,that Erin has now.
Saturday, April 23, 2016 by Leany

Math
I have a 92 average right now. I got a 93 on a major grade test, but my teacher has not posted the grade in Skyward yet. Will my average get lower or higher?
Saturday, April 23, 2016 by Rhea

math
which pair of expressions are equivalent A 4(6X) and 10X B 4(6X) and 24X C 4X + 6X and 10 XX D 4X + 6X and 24X
Saturday, April 23, 2016 by sara

math
What is the difference between the largest prime number less than 50 and the smallest composite number greater than 10?
Saturday, April 23, 2016 by fabianah

Math
The one-dimensional displacement, s meters of a particle, after t seconds, is given by the function s=t(t-4)^2. (i) when does the particle have zero acceleration? (ii) where is the particle at this time and what is it doing?
Saturday, April 23, 2016 by Anonymous

math
Question 1 Production Rates A manufacturing company wishes to estimate the number of items that its workforce can produce on average each hour now that they have a new machine. The factory examined the records for a random sample of 8 hours over the past month. The hourly ...
Saturday, April 23, 2016 by tim

Math
(secx-cosx) / (tanx-sinx) = cosecx+cotx Spent hours to solve this question but failed. Please help. Thank you
Saturday, April 23, 2016 by Aina

math
A man invests rs6750,partly in shares of 6% at rs140 and partly in shares of 5% at rs 125.if his total income is rs280,how much has he invested in each?
Saturday, April 23, 2016 by nitin

Math
If I have a pool and it is 16 feet round and 4 fthe deep, how many gallons of water would that hold?
Saturday, April 23, 2016 by Hali Carmen

math
) An object is moving on a straight line which is 15 centimeters away from the center of a circle of radius 28 centimeters. (Both the circle and the straight line are on the same plane.) A source of light is located on the line drawn from the center of the circle perpendicular...
Saturday, April 23, 2016 by price

Math
Can you define the variable, four more than a number divided by 2 is ten.
Friday, April 22, 2016 by Peter

Math, NEEDS HELP EMEDIETLY!
Q: Marissa Is researching information about martial arts students. She found that 7 out of 12 martial arts students practice each day. there are 144 students at her school. Part A: Predict how many students practice every day. Part B: What Is The Sample Size? I Think the ...
Friday, April 22, 2016 by Agal

math
The following sample data are from a normal population: 10, 9, 12, 14, 13, 11, 6, 5. a. What is the point estimate of the population mean?
Friday, April 22, 2016 by Anonymous

Math
The intrinsic rate of increase (r) for northern elephant seals about 0.15 (per annum). We will assume that population regulation is linearly density dependent. a. If the carrying capacity of elephant seals at a recently recolonized island is 1000 adult females and the initial ...
Friday, April 22, 2016 by Anonymous

Science/Math
A car is travelling at a speed of 30.0m/s encounters an emergency and comes to a complete stop. How much time will it take for the car to stop at -4.0m/s^2
Friday, April 22, 2016 by Josh

Math
The following equation has denominators that contain variables. for this equation write the value or values of the variable that make a denominator zero. these are the restrictions on the variable. keeping the restrictions in mind, solve the equation. 2/11x plus 1/4 equals 81/...
Friday, April 22, 2016 by Anonymous

Math
The bases of trapezoid $ABCD$ are $\overline{AB}$ and $\overline{CD}$. We are given that $CD = 8$, $AD = BC = 7$, and $BD = 9$. Find the area of the trapezoid.
Friday, April 22, 2016 by justarandomboy

math
What are the mean, median, mode, and range of the data set 18, 19, 20, 21, 23, 26, 26, 26? A. mean=22.4; median=22; mode=26 B.mean=22.4; median=26; mode=22 C.mean=26; median=22.4; mode=24 D.mean= 23.4 median= 22; mode= 26 my answer is A is that correct??
Friday, April 22, 2016 by just needing some help

Math
If an oval is 225 yards how many feet of fence go around it fence is sold by foot how o I figure it out
Friday, April 22, 2016 by Nick

HELP ME MATH
There are two triangles one large and one small. Write an expression in simplest form for the perimeter of each triangle. Large triangle left side says 4x+2 top says 7x+7 bottom days 5x-4. Small triangle left side says x+3 top says 2x-5 and bottom says X+7. How do I write an ...
Friday, April 22, 2016 by Quzzy modo

Math
Solve the system below: Y= x^2-4 Y= -4 A. 0, -4 B. -4, 0 C. 0, -4)(-4,0 D. No solution
Friday, April 22, 2016 by Alysa

help azap math
Latasha went to the fabric store and bought yards of red fabric and yards of blue fabric. How many yards of fabric did Latasha buy altogether? A student solved the problem this way: Latasha bought yards of fabric. Use a similar strategy to solve this problem. Casey went to the...
Friday, April 22, 2016 by diego perez

math
Martha rides 29 miles everyday on her bike about how many miles did she ride in 6 weeks
Friday, April 22, 2016 by johnny

math
Martha rides 29 miles everyday about how many miles does Martha ride in 6 weeks
Friday, April 22, 2016 by johnny

Math
1. –(10)^–1 (1 point) –1/10*** -1/-1^10 1/10 10 2. 1/c^-5 (1 point) c^5 5c –c^5*** –5/c 3. What is the value of y^-5/x^-3 for x = 2 and y = –4? (1 point) 10/3 128 -1/128 –128*** 4. Is the number written in scientific notation? If not, explain...
Friday, April 22, 2016 by Bethany

math
How is the squareroot of -1 classified?
Friday, April 22, 2016 by Sally

math
A ladder is placed against a wall with an angle between the ladder and the ground of 76°. If the ladder must reach 10 m up the wall, how long does the ladder need to be?
Friday, April 22, 2016 by Paul

math HELP
the graph below was drawn with output on the vertical axis and input on the horzontal axis what does this graph indecate about the relationship between the input and the output
Friday, April 22, 2016 by nicky

math
Two cell phone companies have different rate plans.Runfast has monthly charges $25 plus$10 per gig of data.B A&D’s monthly charge is $18 plus 15 per gig of data. Your task is to determine under what circumstances each company has the better pricing. You will derive and ... Friday, April 22, 2016 by abstract math Suppose that y varies inversely as the square of x, and that y = 9 when x = 19. What is y when x = 17? (Round off your answer to 2 decimal places.) Friday, April 22, 2016 by Thalita Math In trapezoid$ABCD$,$\overline{BC} \parallel \overline{AD}$,$\angle ABD = 105^\circ$,$\angle A = 43^\circ$, and$\angle C = 141^\circ$. Find$\angle CBD$, in degrees. Friday, April 22, 2016 by justarandomboy Math What is the volume of a cereal box that is 2 inches thick, 12 inches high and 10 inches wide? Friday, April 22, 2016 by Tom math 4. What would the graph of y = x^2 + 1 look like? (1 point) a straight line a parabola a dotted line none of the above 5. What would the graph of 10/x look like? (1 point) a straight line a parabola a curve none of the above 6. What would the graph of y = 3/4x – 7/8 look ... Friday, April 22, 2016 by Help plz math Two cell phone companies have different rate plans.Runfast has monthly charges$25 plus $10 per gig of data.B A&D’s monthly charge is$18 plus 15 per gig of data. Your task is to determine under what circumstances each company has the better pricing. You will derive and ...
Friday, April 22, 2016 by Help please

Math
Give examples of function
Friday, April 22, 2016 by Miracle

MATH
rying to verify the volume of a rectanguler prism h=10 inches w=2 and the formula to find the volume is l.w.h not a math genius just trying to make sure i am calculating this correctly to find the lengh we had to divide the width of the prism so 2 inches divided by 4 =0.5 ...
Friday, April 22, 2016 by meshel

Math
If p is x-2 is greater and equal to 3, what is the negation of p?
Friday, April 22, 2016 by Miracle

Math: Statistics
I am trying to report significant data but I'm not sure how to write it out professionally. I did two nominal variables in a chi square test on SPSS. The significance I found is .061 across from "Likelihood Ratio" and under "Asymp sig. 2 Sided". Does ...
Friday, April 22, 2016 by Shannon

Math
I don¡¯t know how to slove this problem can someone help me£¿ The shorter leg of a 30¡ã60¡ã90&iex​cl;ãtriangle is 2.5 feet long.Find the perimeter.
Friday, April 22, 2016 by Emily

Math
*Edited* (thanks Alex!) In a class, 4/5 of the girls have brown hair. Of the brown-haired girls, 3/4 of the have long hair. Of the girls with long brown hair, 1/3 of them have green eyes. Question: What fraction of the girls in the class have long brown hair?
Friday, April 22, 2016 by connor

math
In a class, 4/5 of the girls have brown hair. Of the brown-haired girls, 3/4 of the have long hair. Of the girls with long brown hair, 1/3 of them have green eyes.
Friday, April 22, 2016 by connor

math
trying to verify the volume of a rectanguler prism h=10 inches w=2 and the formula to find the volume is l.w.h not a math genius just trying to make sure i am calculating this correctly to find the lengh we had to divide the width of the prism so 2 inches divided by 4 =0.5 ...
Friday, April 22, 2016 by meshel

math
on which of the following lines does the point (7,1) lie? y-5x=4 y=x-10 y=-4x+3 y=-x+8 help please Ms.Sue
Thursday, April 21, 2016 by justarandomgirl

math
without graphing,identify the quadrant in which the point (x,y) lies if x <0 and y <0 -II -IV*** -I -III
Thursday, April 21, 2016 by justarandomgirl

math
Write a real-world problem that describes the model 1/4 x 1/4
Thursday, April 21, 2016 by Anonymous

Math
When measuring the volume of a tennis ball, your water level rose from 50ml to 68ml. What is the volume of the ball? I don't know if I divide or add to solve. Here is the choices. 118,108,18,8.
Thursday, April 21, 2016 by jen

Math- I'd really appreciate it if you could help!!
Point $G$ is the midpoint of median $\overline{XM}$ of $\triangle XYZ$. Point $H$ is the midpoint of $\overline{XY}$, and point $T$ is the intersection of $\overline{HM}$ and $\overline{YG}$. Find the area of $\triangle MTG$ if $[XYZ] =150$.
Thursday, April 21, 2016 by Jenna

Math
We can find the solutions of sin x = 0.6 algebraically. (Round your answers to two decimal places.) (a) First we find the solutions in the interval [0, 2π). We get one such solution by taking sin−1 to get x = ________ (smaller value). The other solution in this ...
Thursday, April 21, 2016 by Jennifer

Math
Varlos found that 1/2 of the apples in one basket are Granny Smith apples and 1/6 of the apples in another basket are Granny Smith apples. Which statement correctly compared the feactions?
Thursday, April 21, 2016 by Jamie