Friday

August 26, 2016
**Math **

Consider the following word problem: It took Eric 10 hours to drive to a job interview. On the way home, he was able to increase his average speed by 21 mph and make the return drive in only 7 hours. Find his average speed on the return drive. Step 1 of 3: Complete the ...
*Sunday, July 10, 2016 by Teri *

**math**

There were 369 tickets purchased for a major league baseball game. the lower reserved tickets cost $9.50 and the upper box tickets costs $10.00. The total amount of money spent was $3645. How many each kind of ticket were purchased?
*Sunday, July 10, 2016 by math problem*

**Math **

The Abc company sells bottles of shampoo for $9 each. It costs the company $3 to make each bottle and they have fixed costs of $4700 each month. If x represents the number of bottles the company makes and sells each month, write he company's profit function
*Sunday, July 10, 2016 by Anonymous*

**Math **

A company selling cell phones has a total inventor of 800 phones. Of these phones, 400 are smartphones and 240 are black. If 200 phones are not black and not a smartphones, how many are black smartphones?
*Sunday, July 10, 2016 by Anonymous*

**Math**

Bobs car gets 23 miles per gallon of gas. If bobs car is traveling at a constant rate of 69 miles per hour, how may gallons of gas will his car use in 40 minutes?
*Sunday, July 10, 2016 by Anonymous*

**math**

what is the ninth angle of a nonagon if the others are each 124 degrees
*Sunday, July 10, 2016 by barira*

**Math**

From a window A,10m above the ground, the angle of elevation of the top C of a tower is x degrees,where tan X=5/2 and the angle of depression of the foot D of the tower is y degrees, where tan y=1/4.calculate the height Cd of the tower in metres.
*Sunday, July 10, 2016 by Naina*

**math**

If a lab technician has a salary of 22000 her first year and is due to get a 500 raise each year, then what will her salary be in her seventh year? What is the total salary for 7 years of work for the lab technician?
*Sunday, July 10, 2016 by franz*

**Math**

At a party one hundred and twenty people danced. The girls all started dancing one after the other. Tina was first girl who danced with seven men,Reena the second girl who danced with eight men, Sheela the third girl who danced with nine and so on up to Raveena who danced with...
*Sunday, July 10, 2016 by Madhura*

**Math**

Use the value sin x = 1/ 2 and cos x > 0 to find the values of all six trigonometric functions. Leave your answer in exact form, not in decimal
*Sunday, July 10, 2016 by Katie*

**math**

Good pm, please help me to my homework. Thank you How to calculate an ordinary interest given a principal rate of 500,00 , at a rate of 18%, that will be due within 394 days? Find the ordinary interest
*Sunday, July 10, 2016 by lester*

**math**

One hundred cards are numbered from 1 to 100. What will be the probability that a randomly chosen card has a digit 5?
*Sunday, July 10, 2016 by Nandik*

**math**

Of the three angles of a triangle one is twice the smallest and another one is thrice the smallest. Find the angles
*Sunday, July 10, 2016 by krishna*

**Math**

2. The following is a random sample of grades achieved on statistics examination by 10 male students in a very large class and a random sample of grades achieved by 8 female students. Male 78 87 75 64 90 80 65 86 74 81 Female 71 50 80 75 90 61 85 81 Test at = 0.01 ...
*Sunday, July 10, 2016 by Paulo*

**math**

A community park wants to place a rectangular billboard to inform guests of their new attractions. Suppose the length of the billboard to be placed is 5m longer than its width and the area is 500m2. What will be the length and the width of the billboard? Let w be the width of ...
*Saturday, July 9, 2016 by lara*

**Math(HELP PLEASE )**

solve the system. x=2-y and 3x+3y=6 parallel coincident 4,-2 1,1 I chose the last one and its incorrect
*Saturday, July 9, 2016 by Fe*

**Math **

Explain the relationship among input, output, and function rule.
*Saturday, July 9, 2016 by Help!!!*

**math**

solve the system. Give the x-value of the solution. 3x-5y=16 and -9x+15=48 answer key: 7 0 no solution infinite number solution
*Saturday, July 9, 2016 by Fe*

**math 10**

Dan and Leanne's mortgage payments takes 2/3 of Dan's take home pay every month. His cheque is $785.50 in the middle of the month and $739.50 at the end of the month. Give the amount of the monthly mortgage payments.
*Saturday, July 9, 2016 by Anonymous*

**Math **

Explain the relationship among input, output, and function rule.
*Saturday, July 9, 2016 by Still yo girl *

**Math (money)**

HIII!!! I NEED HELP ON MATH! PLEASE HELP! Melissa has spent $17 so far on gifts. The additional amount she will spend will be more than $8. What are the possible total amount she will spent? Use c for the total amount (in dollars) she will spend.
*Saturday, July 9, 2016 by Fei*

**Math**

Rewrite 47.10° in radian measure. Round to three decimal places. a. 0.164 b. 0.099 c. 0.822 d. 0.123 e. 0.148
*Saturday, July 9, 2016 by Anonymous*

**Math**

12 hundreds 9 thousands is Equal, lesser than, greater than 129000.
*Saturday, July 9, 2016 by Loriel*

**math**

an only so inherited a 3/4 hectare lot . hi decided to bulid a 40-door condominium on the lot. the floor area of the units is uniform and the total floor area of the entire condominium is 1/5 less than the area of the lot to provide foe certain amenties compute for the floor ...
*Saturday, July 9, 2016 by deepz*

**Math**

A straight line AB of length 10 units is free to move with its end on the axes.find the locus of the point p(x,y) on the line at the distance of 3 units from the end on the x-axis
*Saturday, July 9, 2016 by Nestoryngeleja*

**math**

6 red balls and 5white total 20balls how many yellow balls find probility
*Saturday, July 9, 2016 by math*

**math**

If the area of a square carpet is 25 m than what is the length of each side
*Saturday, July 9, 2016 by wania*

**discrete math**

1.Let functions f and g be defined by f(x)=2x+1, and g(x)=x^2-2, respectively. Find a)(gof)(a+2) b)(fog)(a+2) 2.Let A={x:x≠2) and define f: A→R by f(x)=4x/(2x-1) . Is f is one- to- one? Find the range of f . Then find f^(-1) and hence determine the domain and ...
*Saturday, July 9, 2016 by rose*

**number magic(math)**

Paper draw rectangle with perimeter 12cm. 1. How many rectangle could you draw?
*Saturday, July 9, 2016 by simran*

**math**

Consider the cost function C(x)=x^3-3x^2+100x-10, discuss its domain
*Saturday, July 9, 2016 by princess*

**math-steve**

When Mr. Lucky starts betting, he has 3 dollars. On any bet, he wins with probability 1/3 and loses with probability 2/3. If he wins a bet, the total amount of money he has triples. If he loses a bet, he loses 2/3 of the total amount of money he has. Mr. Lucky’s objective...
*Friday, July 8, 2016 by andre*

**Math**

Ali went to the supermarket to buy 3 sweets and 8 bars of chocolate. He paid $29. If 8 sweets and 3 bars of chocolate cost $15, find the average cost of 2 sets and 2 bars of chocolate.
*Friday, July 8, 2016 by William*

**Math**

(4,?) is on the line y=2x+3. Find the other half of the coordinate
*Friday, July 8, 2016 by Jarret*

**Math**

In a three digit number, the digit is twice the units digit and the hundreds digit four times the unit digit .also,the sum of its digits is14 .find the number
*Friday, July 8, 2016 by Ritika *

**Math**

Unit rate or unit cost -Driving 240km in 4 hours -$22.80 for 3 hours of work What is the answer
*Friday, July 8, 2016 by Anonymous*

**discrete math**

Let R be a relation "is located in" from set x of y of countries. state each the following in words and state whether the statement is true or false. a)(Bangi,Selangor) b)(Kota Bharu,Johor) c)(Miri,Sabah) d)(Pekan, Pahang)
*Friday, July 8, 2016 by rose*

**math**

Find the coordinates of the focus, the lenth of the lactus rectum and coordinates of its endpoints and the equation of the directrix, then sketch each curve of 2y^2=8x.
*Friday, July 8, 2016 by jay anne marie*

**Math**

8a+2a
*Friday, July 8, 2016 by Ali*

**math**

``My hundreds digit is 4 less than my tens digit. my ten thousands digit is 6 greater than my hundreds digit. my thousand digit is 5 less than my ten thousand digit and my ones digit is 6 greater than my hundred digit. if my tens digit is 7, what number am i ?''.
*Friday, July 8, 2016 by mitch*

**math**

express 84 minutes as a fraction of 4 hours
*Friday, July 8, 2016 by karl*

**math**

Let R be a relation on A={2,3,4,6,9} defined by "x is relatively prime to y", that is the only positive divisor or x and y is 1. a)write R as an ordered pair b)Draw a diagraph representing R c)Find the in-degree and the out-degree of each vertex d)List all paths of ...
*Friday, July 8, 2016 by rose*

**math**

what is the difference between C and IX?
*Thursday, July 7, 2016 by aya corneto*

**math**

A carpenter wants to use a 12-foot ladder to reach a window that's 10 feet high. Which formula would you use to determine how far to place the ladder from the base of the house?
*Thursday, July 7, 2016 by lissy*

**Math**

Nadine dives with a senior swim club. In a dive off a 10m platform she reaches a maximum height of 10.5m after. 35s. How long does it take her to reach he water?
*Thursday, July 7, 2016 by Jay*

**math**

4/9of a group of students are girls .if there are 17more boys than girls ,how many students are there altogether
*Thursday, July 7, 2016 by jyoti*

**math**

A family has two cars. The first car has a fuel efficiency of 30 miles per gallon of gas and the second has a fuel efficiency of 25 miles per gallon of gas. During one particular week, the two cars went a combined total of 1275 miles, for a total gas consumption of 45 gallons...
*Thursday, July 7, 2016 by jazmine*

**Business Math **

a new piece of equipment cost $18,000 with a residual value of $600 and an estimated useful life of five year. Assuming twice the straight-line rate, the book value at the end of year 2 busing the declining-balance method
*Thursday, July 7, 2016 by KayKay*

**MATH Function Transformation**

for function if the a value 1/2 is it a stretch of 1/2 or a compression of 2. Or is both correct!
*Thursday, July 7, 2016 by Matt*

**Math**

If you ride a bike for 75 minutes and goes a distance of 15.4 miles how many mph did you go!
*Thursday, July 7, 2016 by Jeannie*

**math**

Explain two ways that you can solve for R in the following division statement. Then, use one of your methods to find R. x^3+4x^2-3x=(x-1)(x^2+5x+2)+R could you divide x^3+4x^2-3x by (x-1) to get the quotion of (x^2+5x+2)+ the remainder which would be r? Also what would be ...
*Thursday, July 7, 2016 by Matt*

**Math Please Help**

Simon travels north and south from Main Station. The distance, in km, of the train from Main Station is modeled by the function d(t)=t^3-9t^2+6t, where North is positive and South is negative. Time elapsed after the start of a shift, in hours, is represented by t, where &#...
*Thursday, July 7, 2016 by Jen*

**math**

The angle of elevation of the top of a tower from a point on a level ground 450m away is 20° find how high the tower is from the ground
*Thursday, July 7, 2016 by lise*

**math**

Given that the range of a polynomial function is {y | y <= 5, y ER}, do you have enough information to make any conclusions about the leading coefficient or degree? (er is all real numbers)
*Thursday, July 7, 2016 by Anonymous*

**math**

For what value of 𝑚 will the polynomial 𝑃(𝑥) = 2𝑥 3 − 𝑚𝑥 2 + 9𝑥 − 11 have the same remainder as when it’s divided by (𝑥 − 2) and (𝑥 + 3)?
*Thursday, July 7, 2016 by Anonymous*

**Math Please Help**

Simon travels north and south from Main Station. The distance, in km, of the train from Main Station is modeled by the function 𝑑(𝑡) = 𝑡 3 − 9𝑡 2 + 6𝑡, where North is positive and South is negative. Time elapsed after the start of ...
*Thursday, July 7, 2016 by Jen*

**math**

Name the sets of numbers to which the given number belongs 60/47
*Thursday, July 7, 2016 by allison*

**math**

ABCD is a quadrilateral.Is AB+BC+CD+DA<2(AC+BD)
*Thursday, July 7, 2016 by harsh*

**math**

A rope is 25 1/2m long .how many pieces each of 1 1/2m long can be from it?
*Thursday, July 7, 2016 by e*

**Math**

Find the equation of the parabola whose axis of symmetry is horizontal and passes through the points (1, 2), (3, -2) and (7, -6).
*Thursday, July 7, 2016 by amikhailov*

**Math**

Find the equation of the parabola whose directrix is y = -1 and focus is (1, 1).
*Thursday, July 7, 2016 by amikhailov*

**Math**

Determine the new equation of xy - x - y - 10 = 0 if the origin is translated to the point (1, 1).
*Thursday, July 7, 2016 by amikhailov*

**Math**

Find the equation of the parabola, in standard form, whose Vertex (2, 1), ends of the latus rectum (-1, -5) and (-1, 7).
*Thursday, July 7, 2016 by amikhailov*

**Math**

Let A (2, 3); B (-2, -1) and C (5, -2) be vertices of triangle ABC. If the line connected by points B and C is the base of these triangle and the line bisected through point A is the altitude then what will be the area of the triangle?
*Thursday, July 7, 2016 by amikhailov*

**Math**

If the distance of point (5, 0) to (3, 2) is twice the distance of (5, 0) to (7, n + 1). Find the value of n.
*Thursday, July 7, 2016 by amikhailov*

**Math**

Find the distance of the lines 4x + 2y + 3 = 0 and 2x + y - 1 = 0.
*Thursday, July 7, 2016 by amikhailov*

**Math**

Find the value of k such that the distance of 3x + 4y + 7 = 0 to (2, k) is 5.
*Thursday, July 7, 2016 by amikhailov*

**Math**

Find the equation of the set of all points P(x, y) if the sum of the distances of P(x, y) from (0, -2) and (0, 2) is equal to 8.
*Thursday, July 7, 2016 by amikhailov*

**Math**

Find the equation of the set of all points P(x, y) which is equidistant from (2, -4) and (-1, 5).
*Thursday, July 7, 2016 by amikhailov*

**Math**

Find the coordinates of the point which is 3/5 of the way from (3, 2) to (-3, 5).
*Thursday, July 7, 2016 by alexis*

**Math**

Find the equation of the line through (-8, 9) with x-intercept trice the y-intercept.
*Thursday, July 7, 2016 by alexis*

**Math**

What is the equation of the line segment joining P(x, y) to (2, 4) and is parallel to the segment joining (-2, -1) and (6, 8).
*Thursday, July 7, 2016 by alexis*

**General Math**

This is something about rational functions and I was given an assignment to be answered: Liway has 6 liters of a pineapple juice blend. What is 50% pure pineapple juice. How many liters of pure pineapple juice and to be added to make the blend 75% pineapple juice?
*Thursday, July 7, 2016 by Jeremy Nell*

**math**

In isosceles right triangle ABC, point D is on hypotenuse BC such that AD is an altitude of triangle ABC and DC = 5. What is the area of triangle ABC?
*Thursday, July 7, 2016 by charles*

**Math**

Consider the series 1+(2+3)+(4+5+6)+(7+8+9+10)+(11+12+13+14+15)+.... (a) find an expression for the ith term in the rth bracket. (b) Given that 39×79 is the sum of all the numbers in the first k bracket in the series, find the value of K.
*Thursday, July 7, 2016 by A. A. Fuseini*

**Math**

Solve the following system of equations: −2x + y = 1 −4x + y = −1 (3, 1) (−1, 3) (−1, −3) (1, 3) ***
*Thursday, July 7, 2016 by tay*

**Math**

The fourth term of a geometric series is 30; the ninth term is 960. Determine the sum of the first nine terms. How do I find t1 and r?
*Wednesday, July 6, 2016 by Anonymous*

**math**

solution of if 2/7 of the 2905 student and if 30 % of the student play musical instruments, how many student play musical instruments?
*Wednesday, July 6, 2016 by Juan*

**Math **

If Bill can now a lawn in 'x' hours, what part of the lawn can he now in 2 hours? A) 2/x B) x/2 C) 1/2 D) 1/x Okay, so I've tried this one. I'm thinking, since I don't know how long it takes him to mow the lawn, I think you would divide x from 2? I'm ...
*Wednesday, July 6, 2016 by Cydney*

**math**

how do i simplify 3 square root of 5 end root minus 2 square root of 7 end root plus square root of 45 end root minus square root of 28
*Wednesday, July 6, 2016 by anonymous*

**MATH HELP**

A bus leaves a station at 10am and averages 60 mph. Another bus, traveling at 75 mph, leaves the same station 30 mins later following the same route. What time does the second bus catch up with the first bus? I don't know how to work this out at all!
*Wednesday, July 6, 2016 by Anon*

**math**

John walks 600m from his house to the bus stop. He then travels 3200m by bus to his school. How far does john travel to get to school
*Wednesday, July 6, 2016 by fgjjjj*

**math**

Polygon MNOPQ is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image M′N′O′P′Q′. The coordinates of point M are (2, 4), and the coordinates of point N are (3, 5).The slope of MN is
*Wednesday, July 6, 2016 by kika*

**Math**

Can a polynomial function of an even degree be an even function? is this true all the time? Thank You!
*Wednesday, July 6, 2016 by Jen*

**Math (Quadratic Equations)**

Two pipes that are open at the same time can fill a pool in 12 hours. When only Pipe A is open, it can fill the pool 7 hours longer than when only Pipe B is open. Find how long Pipe A can fill the pool when it is the only pipe open?
*Wednesday, July 6, 2016 by John*

**Math **

What does it mean when it says Roots (order) for a function eg. -x^3-2x^2+15x+36 What i mean is how do you the answer.
*Wednesday, July 6, 2016 by Jen*

**math**

mr. Carr is installing wall to wall carpeting in a room that measures 12 1/2ft by 9 2/3 ft how much will it coast if the carpet is $26 per square yard
*Wednesday, July 6, 2016 by walter*

**math**

30 = 8 times square root of (h - 40) I have done this so many ways, I couldn't possibly show all my work. I do know the answer is 54, I just don't know how to get it!
*Wednesday, July 6, 2016 by Diann*

**Math**

Using two different digits from 0 to 9, what is the greatest two digit number that you can make
*Wednesday, July 6, 2016 by Raina*

**math**

In K&M grocery store, apples are sold in groups of 3 and oranges are sold in groups of 5. If Mrs. Winter buys 26 apples and oranges in all how many apples does she buy? How many oranges does she buy?
*Wednesday, July 6, 2016 by Anonymous*

**Math**

2 cars traveled to a place at 60 km/hr and 70 km/hr respectively if the first car takes 1and 1/2 hour more then the 2nd car for the same journey what will be the length of the journey
*Wednesday, July 6, 2016 by Alex Pereira*

**Math**

I am 5 digit number between 20,000 and 40,000. My ten thousand digit is 6 less than in ones digit and my thousands digit is more than my tens digit. My hundred digit is the sum of my ten thousands digit. What number am I?
*Wednesday, July 6, 2016 by Anonymous*

**math**

IF 2/7 OF THE 2905 STUDENTS ARE FRESHMEN,AND IF 30% OF THE FRESHMEN PLAY MUSICAL INSTRUMENT,HOW MANY FRESHMEN STUDENTS PLAY MUSICAL INSTRUMENTS?
*Wednesday, July 6, 2016 by Juan*

**math**

The area of a square field is 3/2 hectares find the length of its diagonal in metres please help.
*Wednesday, July 6, 2016 by yanto*

**math**

what is the acute angle between the hands of hour and minute at 6:25?
*Wednesday, July 6, 2016 by tish*

**math**

three right angles have vertices at the center of the circle .if the radius of the circle is 8,what is the combined area of the shaded region?
*Wednesday, July 6, 2016 by tish*

**math**

what is the acute angle between the hands of hour and minute?
*Wednesday, July 6, 2016 by tish*

**Math (Analytic Geometry)**

1. Find the equation of the set of all points P(x,y) that is equidistant from (-3,0) and (3,-5). 2. Find the equation of the set of all points P(x,y) that is twice as far from (-8,8) as from (-2,2). 3. Find the equation of the set of all points P(x,y) such that the sum of the ...
*Wednesday, July 6, 2016 by Justsimplelikeme*

**math**

how many committee of five people can be chosen from 20 men and 12 women if a) exactly three men must be on each committee b) at least four women on each committee
*Wednesday, July 6, 2016 by rose*

**Math**

1. You want to carpet a square room with an area of 350 square meters. You have a carpet that measures 5√14 by 3√14 meters. What is the length of the carpet to be added in able to fulfill the room? Thank You!!
*Wednesday, July 6, 2016 by Ari*

**MATH**

1. A rectangular table with a side length of 10√5 by 8√5 inches is to be cut to make it in a square shape. What is the measure of the part of the table that will be cut? Thank you!!
*Wednesday, July 6, 2016 by Camz*