Thursday
August 25, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

Math
A boat is 300m away from the foot of a cliff. The angle of elevation from the boat to the top of the cliff is 16 degrees. a) Determine the height of the cliff to the nearest meter. b) If the boat sails 75 m closer to the cliff, determine , to the nearest degree, the new angle ...
Wednesday, July 27, 2016 by Kennedy

Math
An open box, no more than 5 cm in height, is to be formed by cutting four identical squares from the corners of a sheet of metal 25 cm by 32 cm, and folding up the metal to form sides. The capacity of the box must be 1575 cm^3. What is the side length of the squares removed? ...
Tuesday, July 26, 2016 by Sherry

Math
Which statement best describes the effect of replacing the function f(x) = 2x − 2 with the function g(x) = 2x + 3? The graph shifts 1 units left. The graph shifts 5 units left. The graph shifts 1 unit right. The graph shifts 3 units right. Plz help
Tuesday, July 26, 2016 by layla

MAth Trig
Find the diameter of a circle with an arc length of 32 cm and a subtended angle of 72 degrees
Tuesday, July 26, 2016 by Anonymous

math
Ravinder surveyed 36 student in the school. nine of them said they would attend the dance. if the school has 900 students, how much can Ravinder expect to attend the dance.
Tuesday, July 26, 2016 by sue

Math
If a submarine dives 25 feet every second, it will take 8 minutes, 37 second to reach the ocean floor. How deep is the Pacific ocean?
Tuesday, July 26, 2016 by Evelyn Pichardo

Math
Two forces of magnitude 8N make angles of 30°and120°with x axis magnitude of y component of resultant will be
Tuesday, July 26, 2016 by Rafah

math
paul is twice as old as john.17years ago their age was 33.how old is paul?
Tuesday, July 26, 2016 by Angela

math
Points​ A, B,​ C, D, and E are coplanar and no three are collinear. In how many ways can the plane be named using only these​ points?
Tuesday, July 26, 2016 by Anonymous

Math
Alger is 7 years younger than abegail and the product of their age is 144.how old is each?
Tuesday, July 26, 2016 by Kip

Army school math
Area of isosceles tringle if base is 6 cm and perimeter is 26 cm
Tuesday, July 26, 2016 by Ritesh

math
Workers A and B working together can finish a job in 8 hrs.If they work together for 6 hrs.,after which worker A leaves,then worker B needs 9 more hrs to finish the job.How long does it take worker A to do the job alone?
Tuesday, July 26, 2016 by Queen

math
round 333.3333333333 to the nearest meter
Tuesday, July 26, 2016 by berlinda

Math
Write a real-life situation that can be modeled by the expression 5x 3/4
Tuesday, July 26, 2016 by Deborah

Math
If the area of A rhombus is 240 sq. meter and perimeter is 68 meter, find out the lengths of the diagonals?
Monday, July 25, 2016 by Sujan Kumar

Math
An open box , no more than 5 cm in height, is to be formed by cutting four identical squares from the corners of a sheet metal 25 cm by 32 cm, and folding up the metal to form sides.The capacity of the box must be 1575 (cm squared). What is the side length of the squares ...
Monday, July 25, 2016 by Motombo

Math
Bobby has a 95 in his math class. He had a test and got a 83 on it. What is his grade now?
Monday, July 25, 2016 by Anonymous

math
according to a college survery, 22% of all students work full time. find the mean for the number of students who work full time in samples of 16. round to the nearest tenth how do we do this on a TI84 calculator
Monday, July 25, 2016 by Ms

Math
A rectangular OPEN box has a l=18cm h=5cm w=11.5cm and surface area=502cm^2. What is the volume of this rectangular open box?
Monday, July 25, 2016 by Marko

Math
A rectangular OPEN box has a l=18cm w=11.5cm h=5cm and Surface area=502cm^2. What us the volume of this open rectangular box?
Monday, July 25, 2016 by Marko

Math
A cyclist rides his bike at a speed of 27 miles per hour. What is this speed in feet per second? How many feet will the cyclist travel in 15 seconds? In your computations, use the fact that 1 mile is equal to 5280 feet. Do not round your answers.
Monday, July 25, 2016 by Jalen

Math
Show that of all the rectangle inscribed in a given circle,the square has the max area
Monday, July 25, 2016 by Rahul

math
Average of 4 dates marked in calender 4,5,6,10 how do u write method wise
Monday, July 25, 2016 by venkatesh

math
Given the function f(x)=x^3-2x^2-5x+6/x^2+3x+2 a) Determine algebraically the equation for any asymptotes (HA, VA and or OA) b)State the domain of the function c)State the behaviour of the function at each of the asymptotes
Monday, July 25, 2016 by johnny

Math
5= 6y; y
Monday, July 25, 2016 by Dan

Math
X= 2; 7x^3 + 4
Monday, July 25, 2016 by Dan

Math
Hello! can someone help me how to solve this problem in MATLAB? SHAFT SUBJECTED TO SINUSOIDAL DISTRIBUTED TORQUE Circular shaft AB has length 3L and is supported by a wall at A, where x=0, and free to rotate at B, where x=3L. A distributed torque per unit length T(x) = t_0*cos...
Monday, July 25, 2016 by simonsay

math
How to find L.C.M
Monday, July 25, 2016 by tessa

Math
1. x-2/3-x>0 2. 3x-1/x+2-1<0 3. 1/x-2+x/x+1>equal to 0 Thank you! :)
Monday, July 25, 2016 by Gennelle

business math
On 2 November 2006, Henry saved $1200 in an account that pays 8.6% per annum simple interest. Three years later, he added another $500 into the account. Find the amount in his account on 2 November 2012
Monday, July 25, 2016 by nad

Math (Rational Inequality)
A box with a square base is having a volume of 8 cubic meters. Let x be the length of the side of the square base and height of the box. What are the possible measurements of a side of the square base if the height should be longer than a side.
Monday, July 25, 2016 by Lhor

math
Evaluate the expression: s = 8; 6s^2
Sunday, July 24, 2016 by Miguel

Math
5= 6y; y=
Sunday, July 24, 2016 by Ethel

Math
5/3+x=2; x
Sunday, July 24, 2016 by Ethel

math
The amount of medicine ingested by the body is a function given by A(t)= 5/6 (12t-t^2) Estimate the slope of the tangent at the point (4, 80/3). Use an interval of 0.01. Explain what the value represents for this situation.
Sunday, July 24, 2016 by Bob

math
there are 91 students that attend mass .this represents 70% of the students. how many students at mass
Sunday, July 24, 2016 by jeff

Math
A right circular cylindrical can is 6 inches high , and the area of its top is 36 square root square inches . What is the minimum number of square inches of construction paper it would take to cover the lateral surface of this can ?
Sunday, July 24, 2016 by Amy

Math
John makes $9.25 per hour. He gets time and a half for overtime. (Overtime is more than 40 hours per week.) How much money would he make for working 45 hours?
Sunday, July 24, 2016 by Unknown

math
Could someone please help me answer this question i am stuck! A Marketing company provides the following formulas to the owner of an amusement park to help him make decisions about the park. -The number , N, of people who attend the park is a function of price, p, in dollars: ...
Sunday, July 24, 2016 by angelina

MATH
Solve the integral using trig substitution (1/((x)(x^2+1)))dx
Sunday, July 24, 2016 by ANON

Math
Could someone please help me to solve this equation using exact values. 9^(2x)+4(9^x)=21 and also check for extraneous roots. thank you
Sunday, July 24, 2016 by angelina

Math
Please Help A body consists of a solid hemisphere of radius r joined to a right circular cone of base radius r and perpendicular height h. The plane surfaces of the cone and hemisphere coincide and both solids are made of the same material. Show that the centre of gravity of ...
Sunday, July 24, 2016 by Joe

math
justine a security guard has 3 successive night duties a week when will they see again if they are together now. find gcf
Sunday, July 24, 2016 by krisha reyes

MATH
Integrate 1/(x(x^2+1)) dx using trig substitution
Sunday, July 24, 2016 by ANON

Math
Evaluate the integral using u substitution ((y^3)/((1-y^2)^2))dy
Sunday, July 24, 2016 by ANON

math: permutations
Hi, I need your help. I just cant figure out how to solve this problem. Question: There are two rows of chairs. The first row has two chairs and the second row has four chairs. In how many ways can six people be seated if a couple from the group must sit in the same row? *** ...
Sunday, July 24, 2016 by Aina

Math
Find two number whose product is a 1-digit number and the sum is a 2-digit number.
Sunday, July 24, 2016 by Arjun kv

Math
the perimeter of a rectangle is 24cm.express tha area of the rectangle in terms of width x
Sunday, July 24, 2016 by Giyang

Math
Find the solution of the given equations. x-1/x^2-9+1/x-3=2/x+3 Thank you! :)
Sunday, July 24, 2016 by Gennelle

math
a bullet is fired horizontally with a velocity of 200m/s.if the acceleration due to gravity is 10m/s-2, un first second through which height it will move.
Sunday, July 24, 2016 by pawab

Math
Agnes had 4 times as many blue beads as yellow beads. For every 5 beads she used to make a necklace, she used 3 yellow beads. She completed the necklace after she had used up all the yellow beads. If she had 35 blue beads left, how many yellow beads did she have at first?
Sunday, July 24, 2016 by Anonymous

math:age
salima's current age is half that of her uncle.9 years ago the age of salima was 1/3 the current age of her uncle. Find the current age of Salima
Saturday, July 23, 2016 by kelvin

Math
Solve the equation X + 24 = 36; x =
Saturday, July 23, 2016 by Daniel

Math
What 12 times 20
Saturday, July 23, 2016 by Jasmin

math
on average , exante express trains are 50km/h faster than Paral passenger trains. A paral train requires 60% more time than an exante train to travel 1800 km from matsay to rawindi calculate the average speed of each train calculate the time it takes each train for the journey
Saturday, July 23, 2016 by rosa

Math
In a two-digit number ,the digit at the units place is douale the digit in the tens place. The number exceeds the sum of digits by18.find the number.
Saturday, July 23, 2016 by Krishna v

Math
solve these questions using distributive property 30% Of 10= 30% of 20= 30% of 30=
Saturday, July 23, 2016 by James

math
a certain store sells two types of pen: one type for rs. 2 per pen and the other type for rs. 3 per pen. if a customer can spend up to rs. 25 to buy pens at the store, what is the greatest number of pens the customer can buy
Saturday, July 23, 2016 by sh

math
after reducing the price by 20%, a calculators new price is $10. the original selling price of the calculator was?
Saturday, July 23, 2016 by sh

math
on a radio tower, a red light flashes every 6 seconds and a blue light flashes every 10 seconds. if both lights flash together at a certain time, how many seconds later will both lights flash together the next time
Saturday, July 23, 2016 by sh

math
two employees X and Y are paid a total of rs. 550 per week by their employer. if X is paid 120 percent of the amount paid to Y, how much is Y paid per week
Saturday, July 23, 2016 by sh

math
the length of a rectangle is increased by 25%. by what percentage should the width be decreased so that the area of the rectangle remains unchanged
Saturday, July 23, 2016 by sh

Math
Two software companies are developing new android apps. The average profit per x hundred downloads earned by each company can be modelled by the rational functions below, where x > or equal to 0. Trance Media: G(x)=80x+150/x Ellen's incorporated: B(x)=35x+600/x How many...
Saturday, July 23, 2016 by angelina

Math
For a certain day, the depth of water, h, in metres in Tofino, B.C at time t, in hours, is given by the formula: h(t)=7.8+3.5sin[pi/6(t-3)], tE[0,24]. Assume t=0 represents midnight. Provide an algebraic solution to determine the time(s) of day, the water reaches the depth of ...
Saturday, July 23, 2016 by Aidan

Math
Solve the equation using exact values. Check for any extraneous roots. 9^2x+4(9^x)=21.
Saturday, July 23, 2016 by andre

Math
Jessica bought an antique candle holder for $300. The antique appreciates in value by 5.5% per year. When will the value of the candle holder by $3000? Round the answer to the nearest tenth.
Saturday, July 23, 2016 by ba

Math
The amount of active ingredient of medicine ingested by the body, A in milligrams, is a function of time, t, in hours, given by A(t)=5/8(12t-t^2). a)Determine the average rate of change of the amount of medicine ingested during each of the intervals below and compare the two ...
Saturday, July 23, 2016 by ba

math
find the capacity of an oil tank if an addition of 15 gallons raises the reading from 1/4 full to 5/8 full
Saturday, July 23, 2016 by sh

math
SAC held a spring fling. SAC provides the following formulas about the spring fling. 1. The number, N, of people who attend the park is a function of price, p, in dollars: 𝑁(𝑝) = −(𝑝 + 5)(𝑝 − 17) assuming the minimum ticket price is...
Saturday, July 23, 2016 by Sherry

math
3x+y=6/2x-y=1
Saturday, July 23, 2016 by Anonymous

math
An organizational psychologist measures levels of job satisfaction in a sample of 30 participants. To measure the variance of job satisfaction, it is calculated that the SS = 120 for this sample. What are the degrees of freedom for the variance? Compute the variance and ...
Saturday, July 23, 2016 by Misunderstood - Please help.

Math
One side of a rectangle is 2cm longer than the other side .its area is 195cmsquare .find its perimeter
Saturday, July 23, 2016 by Abdullah

math
the sum of two numbers is 25. the second number is 5 more than the other one. find the numbers.
Saturday, July 23, 2016 by joshua

Math
A watch loses five seconds every one hour How many minutes will it loss in two days
Saturday, July 23, 2016 by Isaac

Math - Trig
The depth of water, h, in metres at time t, in hours, is given by the formula: h(t)=7.8+3.5sin[pi/6(t−3)]. Its a 24 hours period and t=0 is midnight. Provide an algebraic solution to determine the time(s) of day, the water reaches the depth of 10.29 m i got one time 4.51...
Friday, July 22, 2016 by Sherry

Math
For a certain day,the depth of water,h, in metres in PEI, in hours is given by the formula:h(t) = 7.8 + sin3.5 (pi/6(t-3)), t E [0,24], assume t=0 represents midnight. Provide an algebraic solution to determine the time(s) of day, the water reaches the depth of 10.29 m( give ...
Friday, July 22, 2016 by ba

math
The solution of x for equation a (bx - c) = d - (x + e) (a > 0 and b > 0) the answer is x = ac + d - e/ab + 1 How?
Friday, July 22, 2016 by jose

Math
The function g(x)=ax^3−x^2+x−24 has three factors. Two of these factors are 𝑥−2 and 𝑥+4. Determine the values of a and b then determine the other factor.
Friday, July 22, 2016 by Sherry

Math
For a certain day,the depth of water,h, in metres in PEI, in hours is given by the formula:h(t) = 7.8sin (pi/6(t-3)), t E [0,24], assume t=0 represents midnight. Provide an algebraic solution to determine the time(s) of day, the water reaches the depth of 10.29 m( give your ...
Friday, July 22, 2016 by Stacy

Math
It takes 3 men to dig 2 identical trenches in 5 hours.If all the men work at same rate,how long will it take 5 men to dig 7 of these trenches?
Friday, July 22, 2016 by Jovanni

math
a bag contains 6 blue marbles and 10 red marbles. If you choose one marble at random, and then another marble at random, what is the probability that both marbles are blue?
Friday, July 22, 2016 by carol

math
find the probability of choosing a queen or a diamond from a standard deck of 52 cards
Friday, July 22, 2016 by Anonymous

math
Find the probability of choosing spade or a red card from a standard deck of 52 cards
Friday, July 22, 2016 by Anonymous

math
Write the equation in standard form, given the following information. vertex(-2,4), directrix y=1
Friday, July 22, 2016 by Anonymous

math
Find value of x for log1/2(x-1)+log1/2(x+1)-log1/√2(7-​x)=1
Friday, July 22, 2016 by prashik

Math
Posted by Pam on Thursday, July 21, 2016 at 10:41am. One day 3/8 of the students in Jack's class ate toast for breakfast. Another 1/8 of the students ate oatmeal. Jack added the fractions and found the sum was 7/8. Which statement best describes the sum 7/8? A) It is ...
Friday, July 22, 2016 by Pam

math
A man walks 40 m due north and 50 m due west. Find the distance from the starting point?
Friday, July 22, 2016 by kinjal

math
In a class,30 students passed in math,20 passed in physics and 8 passed in both. How many students failed in both if the class has 45 students?
Friday, July 22, 2016 by miki

math
find missing denominator of 3\7=15\? to show equivalent fraction
Friday, July 22, 2016 by Anonymous

math
$420 is divided between A & B so that A gets 3/7 th of what B gets.what amount doea A get?
Friday, July 22, 2016 by tisha

math
a compositor takes 1 hour 45 min to compose 24 page of a book. how long will be take to compose 64 pages
Friday, July 22, 2016 by sartaj singh

Math
a) Find the values of x and y so that the ordered data below has a median of 31 and a mean of 31.25. 13, 17, 25, 27, 28, x, 32, 36, 37, 40, y, 47 b) The numbers below have been written in ascending order. Find the values of a, b, c and d if the mode is 15, the median is 17, ...
Friday, July 22, 2016 by Anonymous

Math
A girl leaves her home A at 9am, and after cycling for 25km at 5km/h she reaches her destination B at 2pm. After having lunch at B for 90 minutes, she sets off for home. On the way home she stops for half an hour to see a friend who lives at C, which is 10km from A. At 5:30pm...
Friday, July 22, 2016 by Anonymous

math
In five years time thabo will be three times as old as he was nine years ago.how old is he now
Friday, July 22, 2016 by tauqir adams

Math
I am having a little trouble figuring this problem out if someone could help I would appreciate it. Question: The angle of elevation to the top f a tree sighted from ground level is 19degrees. If the observer moves 60 ft closer, the angle of elevation from ground level to the ...
Thursday, July 21, 2016 by Pam

math
If I have a jar that holds 1 quart so how many chocolate chips can fit in there
Thursday, July 21, 2016 by lan

math
If I have a jar and it holds 1 quarts so how many chocolate chips can fit in there
Thursday, July 21, 2016 by lan

math
a board is 19ft 9inches long is cut into nine equal pieces to the nearest inch. how long is each piece? how many inches of board will be left over?
Thursday, July 21, 2016 by charlie

Math
Posted by Pam on Thursday, July 21, 2016 at 10:41am. One day 3/8 of the students in Jack's class ate toast for breakfast. Another 1/8 of the students ate oatmeal. Jack added the fractions and found the sum was 7/8. Which statement best describes the sum 7/8? A) It is ...
Thursday, July 21, 2016 by Pam

math
John can cut the grass in 4 hours working by himself. When john cuts the grass with his younger brother michael, it takes 3 hours. How long would it take michael to cut the grass by himself?
Thursday, July 21, 2016 by Lauren

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