Sunday
February 14, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

math
2x3x5x8x11= with a 2 on top of 2 and a 4 on top of 5 and 2 on top of 11 is this a factorization a prime factorization
Friday, January 1, 2016 by christopher

Math
Rewrite the following exponential functions as logarithmic functions, and the logarithmic functions as exponential functions: f(x)=(7/8)^x b) f(x)=log12x c) f(x)=log5/9x
Friday, January 1, 2016 by Matt

math
Two ships leave port at 4 p.m. One is headed N38°E and is travelling at 11.5 km/h. The other is travelling at 13 km/h, with heading S47°E. How far apart are the two ships at 6 p.m.?
Friday, January 1, 2016 by Karen

math- HELP!
Calculate the linear speed of a bicycle with 26-inch wheels being pedaled at a rate of 200 revolutions per minute. Express your answer in inches per minute rounded to the nearest whole number. (Hint: The diameter of the wheel is 26 inches.) I got: linear speed=r•w r=13 w=...
Friday, January 1, 2016 by Ellie

Math
Solve the system by graphing. x+y=−2 y=13x+2 A. (6, 4); The image is of a 2-dimensional graph with an x-axis and a y-axis. One line is drawn passing through co-ordinates (-3,1) and (3,3). Another line is drawn from co-ordinate (-2,-4) to (6,4). B. (−3, 1); The ...
Friday, January 1, 2016 by Mary Alise

Math
Solve the system using elimination. Express as ordered pair. 2x - 7y = 27 3x = 2y = 3
Friday, January 1, 2016 by Harriett

Math
Hi, I need help on this problem:Solve the system of equation by giving an ordered pair for 14x +3y = 115 7x +3y = 80 Use the 3 Methods in your work. Thank You, I am not sure how to use graphing, substitution, and elimination, please show these methods.
Friday, January 1, 2016 by Kaashif

Math
How old is Robert,if Marin is 9 years older than him and their ages make 21?
Friday, January 1, 2016 by Jade

Math
For each function, i) determine the corresponding reciprocal function, y =1/f(x) ii) state the non-permissible values of x and the equation(s) of the vertical asymptote(s) of the reciprocal function iii) determine the x-intercepts and the y-intercept of the reciprocal function...
Friday, January 1, 2016 by Patricia

Math
Two hoses together fill a pool in 2 h. If only hose A is used, the pool fills in 3 h. How long would it take to fill the pool if only hose B were used?
Friday, January 1, 2016 by Patricia

math lit, lo, life sciences, xitsonga ,agriculture
im doing this subjects which career I cn follow..?
Friday, January 1, 2016 by Rosemary ngumede

Math
Solve 2 - 5/x^2 - x - 6 = x + 3/x + 2 . Identify all non-permissible values.
Friday, January 1, 2016 by Emily

Math
A caterer prepares four times as many pizzas as she usually prepares for a large party. The caterer usually prepares 5 pizzas. The caterer also estimates that each party guest will eat 1/4 of a pizza. Can someone tell me the problenm that this would be?
Friday, January 1, 2016 by Ash

math
5x+3=7
Friday, January 1, 2016 by angel

math
If 1 gallon of water weighs 8 1/3 lb. how much does 1 1/5 gallons weigh?
Friday, January 1, 2016 by Evelyn

Math
Logrithmetic Problem question Last week there was an earthquake that measured as a magnitude of 3.2 on the Richter scale. Today you hear on the radio that there was a second earthquake that was 27 times more intense than the first. What was the magnitude of the second ...
Friday, January 1, 2016 by Chris

math
what is 6/5 x 25/3
Friday, January 1, 2016 by Evelyn

Math
Im trying to find out what the value of this equation is: x^37+ x^31 + x^47+ x^26+ x^63+ x^9 + 6. By using the fact that (x + 1/x) ^2 = 3
Friday, January 1, 2016 by Nerd Girl

Math
Exponetial Functions In the following exponential relations, solve for x using logarithms. Round your answers to 4 decimal places. a) 5^3x=65 b) 2^2x+3=80
Friday, January 1, 2016 by Chris

Math
The fencing of square garden is 20 m in length.how long is one side of garden?
Friday, January 1, 2016 by Raghul

Math
Tanisha potato salad recipe calls for 3 pounds of potatoes she decides to make 3.5 times her regular recipe how many pounds of potatoes should tanisha buy?
Friday, January 1, 2016 by Queen

math
If one angel of a parallelogram is twice of its adjacent angel,find the angel of the parallelogram
Friday, January 1, 2016 by srishti

math
How many different ways (combinations) can i arrange the 6 letters: A, B, C, D, E and F without repeating any of them.
Friday, January 1, 2016 by Anonymous

Math
Solve 3 - x = √x2 - 5 . State any extraneous roots that you found. Identify the values of x for which the radical is defined.
Friday, January 1, 2016 by Emmanuel

Math
a)Write a function o represent the area of the rectangle. one side - 5x+15 other side - 31-2x b) Graph the function- lebel x and yint c)what dp the x-intercepts represent in this situaltion? d)Does the funtion have a maximum value in this situaltion? Does it have a minimum ...
Friday, January 1, 2016 by Emmanuel

Math
Exponetial Functions In the following exponential relations, solve for x using logarithms. Round your answers to 4 decimal places. a) 5^3x=65 b) 2^2x+3=80
Thursday, December 31, 2015 by Joseph

Math
Rewrite the following exponential functions as logarithmic functions, and the logarithmic functions as exponential functions a) f(x)=(7/8)^x b) f(x)=log12x c) f(x)=log5/9x
Thursday, December 31, 2015 by Matt

Math
Car 1 & Car 2 leave the same location . Car 1 leaves the location 10 minutes before Car 2 and is traveling 65 mph. Car 2 is traveling at 75 mph. How long before Car 2 catches Car 1?
Thursday, December 31, 2015 by Jessica

Math
Simplify the following, using only positive exponents. Do not evaluate. Exponetial functions c) f^3 g−^1/f^2 g^3 d) (k^−2m^3n)×(kmn^5)÷(k​^− 1m^2 n)
Thursday, December 31, 2015 by Mark

Math
For the following function, state: i. the domain and range ii. the y-intercept, and iii. the horizontal asymptote f(x)=(2)x−7
Thursday, December 31, 2015 by Chris

Math
Write 57.6% as a fraction in simplest form. A. 576/100 B. 72/125******** C. 72/250 D. 6/57 Please HELP ASAP... IS IT CORRECT @Ms.Sue @Emy @Writeacher @Steve @FrozenQueen @Reed
Thursday, December 31, 2015 by Carly Johanson Miller

Math
sheldon has 50 dimes in his piggy bank. there are 30 more nickels than dimes. there are 200 more pennies then nickels. how many coins are in sheldon's piggy bank?
Thursday, December 31, 2015 by Dante

math
a circle of radius r is inscribed in a right triangle of sides 5cm,12cm,and 13cm.r
Thursday, December 31, 2015 by gaurav

Math
A projectile is launched upward from the ground at an initial velocity of 400 feet per second. During it’s upward flight, the projectile passes a hot air balloon floating at a constant height of 2400 feet. How many seconds later will the projectile pass the hot air ...
Thursday, December 31, 2015 by Sunny

math
A person is travelling by train and car in his whole journey.. The matter is if he is travelling first by train till 60kms and the rest by car, then his total journey has taken 4 hours.. but if he is travelling first by train till 100kms, then his journey has taken 10 mins ...
Wednesday, December 30, 2015 by ritesh

math
You can use the formula A = C^2 / 4pi to find the area of a circle given the circumference. Describe another way to find the area of a circle when given teh circumference. THX!
Wednesday, December 30, 2015 by Tim

Math
An exam is taken by 'g' girls and 'b' boys. The boys score an average mark of 'm' and the girls score an average mark of 'n'. Find the average for the whole exam.
Wednesday, December 30, 2015 by Damien

Math
Two Formula 1 cars leave the starting line at the same time. One car takes 280 seconds to complete one lap ad the other takes 288 seconds. How long after the start will it take for them to meet again at the starting line?
Wednesday, December 30, 2015 by Anonymous

math
A radio station broadcasts a signal over an area with radius of 50 miles. The station can relay the signal and broadcast over an area with a radius of 75 miles. How much greater is the area of broadcast region when the signal is relayed? Round your answer to nearest square ...
Wednesday, December 30, 2015 by Tim

math
Formula for distance to the horizon for a satellite in orbit. d = sqrt(2rh+h^2) d = distance to the horizon h = height above sea level for the observer. r = radius of the earth ---------------------------------- Solve for h. ie. so I can plug in d and r and get a solution for h.
Wednesday, December 30, 2015 by John

math
Can some please show me how to add this fraction 2 + 1 1/2 + 1 1/4 + 1 1/4
Wednesday, December 30, 2015 by Marquala

math
An integer is 5 more than another integer. Three times the bigger integer is 11 more than the square of the smaller integer. find the two integers
Wednesday, December 30, 2015 by hashim

math
i have a question on the distributive property 20+24g=
Wednesday, December 30, 2015 by christopher

math
dear Sue i don't understand when you say combine and why do i combined
Wednesday, December 30, 2015 by ming

math
12s + 4 + 4s - 2 =
Wednesday, December 30, 2015 by ming

math
24s + 4 + 4s - 2=
Wednesday, December 30, 2015 by ming

Math
Three numbers form a geometric progression. If 4 is subtracted from the third term, then the three numbers will form an arithmetic progression. If, after this, 1 is subtracted from the second and third terms of the progression, then it will again result in a geometric ...
Wednesday, December 30, 2015 by Anonymous

Math
Makoto and his friends rolled two fair number cubes 500 times and recorded the sum of the numbers shown on the cubes each time.On 42 of the trials the sum was 10.Which of these is most likely the probability that the sum of the numbers shown on the cubes is 10 when two fair ...
Wednesday, December 30, 2015 by Pinks

Math
If 50% of a number is 20%,what is 75% of the number?
Wednesday, December 30, 2015 by Aijah

Math
The practice range at a golf course charges $4.00 for a bucket of 40 golf balls.At this rate how much will a bucket of 100 golf balls cost?
Wednesday, December 30, 2015 by Aijah

math
simplify the expression 24h + 3d - 10h + 8d
Wednesday, December 30, 2015 by ming

MATH
HELP PLZ NO ONE WANTS TO HELP, You buy clothing at a sale. You buy sneakers at 2/3 of their original price of 60$, a sweater at 7/10 of its original price of 35$, and a jacket at 5/6 of it original price of 45$, a. how much money did you spend? b. how much money did you save? ...
Wednesday, December 30, 2015 by kayla

math
A bakery offers a small circular cake with a diameter of 8 inches. It also offers a large circular cake with a diameter of 24 inches. Does the top of the large cake have three times the area of the small cake? If not, how much greater is its area? Explain.
Wednesday, December 30, 2015 by Tim

Math
A pound of nails cost 13$ . Joe buys 2.4 pounds . How much does Joe spend on nails ? If there are 200 nails in a pound ,how many nails does Joe have ?
Wednesday, December 30, 2015 by Anonymous

math
A recipe calls for 4 pounds of fruit.you have 60 ounces of fruit. A.do you have as much fruit as you need? B.if not,how much more do you need?
Wednesday, December 30, 2015 by kayla

math
A gear on a bicycle has the shape of a circle. One gear has a diameter of 4 inches, and a smaller one has a diameter of 2 inches. Justin says that the circumference of the larger gear is 2 inches more than the circumference of the smaller gear. Do you agree? Explain your ...
Wednesday, December 30, 2015 by Tim

math 10
1. Simplify 1/2! + 2/3! + 3/4! ... + 11/12! 2.let x=2^100,y^60 and z=10^30.What is the smallest number among the three? can you check my answers? 1. 1 2. y=3^60
Wednesday, December 30, 2015 by pitch

Math
being healthy eaters, partridges know that pears contain 30% more potassium than apples. If an apple offers 160 mg. of potassium, and Pete eats 6 pears, how many milligrams of potassium will he consume?
Wednesday, December 30, 2015 by Todd Freeman

Math
Out of a group of 600 students taking computer,mathematics or physics,there is no student taking both computer and mathematics.Every student takes computer or mathematics.150 takes physics and mathematics and 250 take only one of the subjects.Find 1) the number of students ...
Wednesday, December 30, 2015 by Seble

Math
Out of a group of 600 students taking computer,mathematics or physics,there is no student taking both computer and mathematics.Every student takes computer or mathematics.150 take physics and mathematics and 250 take only one of the subjects.Find 1) the number of students ...
Wednesday, December 30, 2015 by Mitu

Math advanced function
State the number of solutions a quadratic trigonometric equation can have in one cycle.
Wednesday, December 30, 2015 by Mary

Math
State all possiblities for the number of solutions a quadratic equation can have in one cycle.
Wednesday, December 30, 2015 by Mary

math
a football team won 3 times as many games as they lost. if they lost 5 games , how many games did they play?
Wednesday, December 30, 2015 by thahseen

Math
Kim is 7 years older than May. If three times Kim's age plus 5 times May's age is equal to 165, what are the ages of Kim and May?
Wednesday, December 30, 2015 by Anonymous

math
The third term of a G. P. is 12 and 6th term is 96, then find the sum of nine terms of the G. P.
Wednesday, December 30, 2015 by Anonymous

Math
Each triangle is a 30-60-90 triangle, and the hypotenuse of one triangle is the longer leg of an adjacent triangle. The hypotenuse of the largest triangle is 8 centimeters. What is the number of centimeters in the length of the longer leg of the smallest triangle? Express your...
Tuesday, December 29, 2015 by Jerry

Math/Science
Calculate the minimum change in velocity (delta V or ∆V) required for the Space Shuttle to decrease its altitude to 60 miles if it’s orbiting with an apogee of 260 miles and a perigee of 220 miles above the surface of Earth.
Tuesday, December 29, 2015 by Lane

Math
A line 'l' intersects line 'm' at point A at 45 degree angle. B and C are points on line m, where the distance from B to A is equal to the distance from A to C. How many points on line 'l' are equidistant from points B and C? How is it one point? And ...
Tuesday, December 29, 2015 by Beth

Math
The total number of pears eaten by Pete and two of his friends, Tweet and Honk, (during this visit to the pear tree) were in the ratio of 2 : 3 : 5 respectively. If Pete ate 12 less pears than Honk, how many pears did Tweet eat during this time?
Tuesday, December 29, 2015 by Michele

math
A square of lawn is surrounded by a path 0.5m wide,,the area of the lawn is 23m^2 bigger than that of the area of the path ,,find the side of the lawn
Tuesday, December 29, 2015 by Isaac

math
how do you figure out how many pennant flags you'll need for a 12 ft string?! PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!
Tuesday, December 29, 2015 by Sarah Martin

math
A square of lawn is surrounded by a path 0.5m wide,,the area of the lawn is 23m^2 bigger than that of the area of the path ,,find the side of the lawn.
Tuesday, December 29, 2015 by Isaac

MATH
f(x)=(5x-7x^3)(2+sqrt(x)) Find the derivative
Tuesday, December 29, 2015 by Anonymous

Math
find the equation of the circle whose centre lies on the line 5x-2y=9 and the circle touches both the positive axes
Tuesday, December 29, 2015 by Season

Math
A print manufacturer makes two types of printers: a Printmaster and Speedmaster. The Printmaster requires 10 cubic feet of space and weighs 5,000 pounds, and the Speedmaster takes up 5 cubic feet of space and weighs 600 pounds. The total available space for storage before ...
Tuesday, December 29, 2015 by Anonymous

Math
There are 100 coins in a jar and 10 are dimes. The rest are pennies and nickles. There are twice as many pennies as nickels. How many pennies and nickles are in the jar?
Tuesday, December 29, 2015 by Miyiah

math
A rectangular flower bed has an area of 3 1/2 square yards. The width of the flower bed is 3/4 yard. What is the length of the rectangular flower bed?
Tuesday, December 29, 2015 by sai

math
A baker uses 2 5/6 pounds of butter to make a batch of cookies. On a particular day, thebaker used 8 1/2 pounds of butter to make cookies. How many batches of cookies did the baker make that day?
Tuesday, December 29, 2015 by sai

math
two urn contain respectively 3 white, 7 red, 15 black and 10 white ,6 red and 9 black balls. one ball is drawn from each urn. what is the probability bthat both balls are of the same colour.
Tuesday, December 29, 2015 by javd

Math
The sum of the ages of a woman and her daughter is 46years.In 4 years, the ratio of their ages will be 7:2. Find their present ages.
Tuesday, December 29, 2015 by Leenah

math - probability
put all the letters in a hat. What is the p(vowels)= 5/26 p(first half of alphabet -13)= 13/26=1/2 p (v and f) p (vc) p(v or c) not sure how to do the and question or the "or" question and not sure what v with a little c up to the right means
Monday, December 28, 2015 by ran

math
bob sold 425 tickets for a dance. tickets cost $18 per adult and $6 per child. Total receipts were $6450, how many children tickets were sold?
Monday, December 28, 2015 by jan

math
six more than the product of three and five
Monday, December 28, 2015 by sandra

Math
The scale of a certain map is 1cm to 25km.What is the actual distance represented by 2.80cm?
Monday, December 28, 2015 by Kylie

math
Molly drove a total of 390 miles to get to her destination in the mountains. She stopped twice, getting 14 gallons of gas and snacks, spending $34 at the first stop and $28 at the second stop. In the mountains, she drove 164 miles visiting scenic places. Before she returned ...
Monday, December 28, 2015 by angel

Math
Write the equation of a line that is perpendicular to the given line and passes through the given point. y-3=8/3(x+20;(-2,3)
Monday, December 28, 2015 by Mah name Jeff

Math
To make evening schedule.... Need 12 employees on monday.. 13 on tues.. 14 on wed... 15 on thurs.. 17 on fri... 16 on sat... 14 on sun... They on can work 4.5 hrs a day ... How many employees needed for week?
Monday, December 28, 2015 by Janice

Math geometry
An architect is designing an A-frame cottage for a resort. A cross section of the cottage is an isosceles triangle. The front wall of the cottage must accommodate a sliding door. Knowing that the architect is allowed a rectangular space of 240 m³ in volume to build inside...
Monday, December 28, 2015 by Alex

Math
4 3 2 2x+7/2x+21x+35x-37x+46 Don't forget the workout & the explanation please!👍
Monday, December 28, 2015 by Alisho

Math
What is 0.06 and 0.175 as a fraction?with the work out & the explanation please👍
Monday, December 28, 2015 by Alisho

math
if you are traveling 26 miles at a cost of .30c for each 1/7 of the mile, what would be the total cost of the trip?
Monday, December 28, 2015 by Minnie

Math
The sum of the ages of a woman and her daughter is 46years.In 4 years, the ratio of their ages will be 7:2. Find their present ages.
Monday, December 28, 2015 by Leenah

math
A circular path 2 feet wide has a an inner diameter of 150 feet. How much farther is it around the outer edge of the path than around the inner edge? THX!
Monday, December 28, 2015 by Tim

Math
Marko runs 3/5 mile 3 times a week. How far does Marko run each week?
Sunday, December 27, 2015 by Tracie

math
Use words to describe a reasonable domain and range for the number of people painting a house and the time required to finish the job. Explain your answer.
Sunday, December 27, 2015 by jordan

math
1.On the package of candy coated chocolates it states the box contains 147 grams. In reality, the mass can vary between 145 g and 150 g. You may find between 63 and 69 pieces of candy in any given box. Explain which variable represents the domain and range. State the domain ...
Sunday, December 27, 2015 by jordan

gale math
How to write 233.75 and 85.50 as a decimal number
Sunday, December 27, 2015 by Jonathan

math
Sam in placing rope lights around the edge of a circular patio with a diameter of 18 feet. The lights come in lengths of 54 inches. How many strands of lights does he need to surround the patio edge?
Sunday, December 27, 2015 by Tim

Math
How many triangles exist when the measure of angle B is 100 degrees, a =10 and b=5? a. none b. 1 triangle c. 2 triangles I have already solved this and I have found that there will be no triangle because by using the law of sines I found that the value is bigger than 1. So, I ...
Sunday, December 27, 2015 by David

math
How many 2/9 inch pieces can be cut from a piece of yarn that is 6 inches long
Sunday, December 27, 2015 by bella

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