Friday
August 26, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

MATH
Suppose the annual expected mortality rate from coronary disease is 500 per 100,000 individuals. In a specific community of 600,000 individuals, how many deaths are expected to be attributed to coronary heart disease over a one year period? my work: 600,000/100,000=6 6x500= ...
Thursday, July 14, 2016 by Redgy

Math(help please)
Alexis has a pencil bag containing one of more of each of the following: red pens, blue pens, mechanical pencils, and black markers. He knows that there is a 4% chance he will pull a red pen out of the bag if he chooses randomly. What is the number of total pens, pencils, and ...
Thursday, July 14, 2016 by Anonymous

Math
Line a intersects line b, forming angles of 135 degrees and 45 degrees. A third line,line c, is perpendicular to line a and forms triangle ABC. What is the measure of the angle between lines b and c? a. 35 degrees b. 45 degrees c. 90 degrees d. 135 degrees e. Can't be ...
Thursday, July 14, 2016 by Gina

Math
equation log_b a = c. a) If 0 < a < 1 < b, what can you conclude about c? b) If a < 0 < 1 < b, what can you conclude about c? Please help !
Thursday, July 14, 2016 by Stacy

Math
Mr.Adams had a coin collection including only nickels, dimes, and quarters He had twice as many dimes as nickels and half as many quarters as he had nickels. If the total face value of his collection was $300.00, how many quarters did the collection contain? A) 75 B) 100 C) ...
Thursday, July 14, 2016 by Emily

MATH
What f-1(x) of f(x)=(1/3)^x
Thursday, July 14, 2016 by Anonymous

Math
Determine u⋅v if u =5, v =3,and θ =π/3 ,where θ is the angle between u and v. A) 7.50 B) 12.99 C) 10.61 D) 10.25 E) 9.05
Thursday, July 14, 2016 by Max

Math
On Feb. 27th, 2010, an earthquake of magnitude 8.8 occurred off the coast of Chile lasting up to 3 minutes. Five months later, a 2nd earthquake occurred with magnitude of 5.3. How much more intense was the first earthquake compared to the 2nd earthquake?
Thursday, July 14, 2016 by Chris

math
Given that Force 1 = 70 pounds and Force 2 = 120 pounds , find the angle between the forces if the magnitude of the resultant force is 90 pounds . Round answer to the nearest degree.
Thursday, July 14, 2016 by oleg

Math
If I travel 200 feet in 2.92 seconds what is speed I'm traveling at
Thursday, July 14, 2016 by Anonymous

Math
Mapping Notation for y=2log _3(-3x +9)-2 log_3 mean log base 3
Thursday, July 14, 2016 by Matt

Math
For what value of k will the following function have y-intercept of 5. log{base 3} (-5x +k^2)-1
Thursday, July 14, 2016 by Stacy

Math
After solve a function I get these X>_-1(greater than equal to) X>_3 & X>_2?what will be it's domain?
Thursday, July 14, 2016 by X

Math
In phythagorean triplet how to find numer 7
Thursday, July 14, 2016 by Monesh

Math
If a family plans to have four kids what is the probability that they will have at least one girl
Thursday, July 14, 2016 by Cathy

Math
Three dozen eggs, 25% broken. How many left? ( Answer with working outs) please.
Thursday, July 14, 2016 by Luciana Brix

math
a number rounds off to 4000.The digit in the hundreds place is twice the digit in the tens place.The sum of the digits is 12.The number uses only two different digits.Find the number.
Thursday, July 14, 2016 by rosemarie

math
What is the volume of a balikbayan box with a length of 21√5 inches, width of 12√3 inches and a height of a 25√3 inches? Thank youu!!
Thursday, July 14, 2016 by Ari

Math
When an object is droped from a certain height , it's distance from the starting point varies as the square of the time it has been falling . If a body falls through 288m in 6 seconds then what is the distance covered by the object in the tenth second?
Thursday, July 14, 2016 by Sarvesh

Math
If the battalion of soldiers is formed into a solid square,there would be sixteen fewer men in the front than there would be if they were formed into hollow square four deep. What is the required number of the soldiers.?
Thursday, July 14, 2016 by Nitesh

Math
The expenses of orphanage are party constant and partly vary as the number of the boys in the orphanage. The expenses were Rs. 10,000 for 150 boys and Rs. 8,400 for 120 boys . Find the expenses for 330 boys.
Thursday, July 14, 2016 by Madhura

Math
The ratio of a triangle's sides is 4:3:6. If the length of the hypotenuse is 1/4, what is the value of the length of the short leg of the triangle subtracted from the length of the long leg of the triangle? Help please?
Wednesday, July 13, 2016 by Jane

Math (PLEASE HELP!)
A ferris wheel has a radius of 13 m. It rotates once every 24 seconds. A passenger gets on at the bottom of the wheel from a ramp which is one metre above ground level. a) If the height of the passenger is measured from the ground, determine an equation for the height of the ...
Wednesday, July 13, 2016 by Anonymous

Math
Daniel drives 30 mph to the toy store and 45 mph back home, taking the same route both ways. If the total trip took two hours, how many total miles does he drive on the round-trip from home to the store and back? Can you please explain how to do it?
Wednesday, July 13, 2016 by Gina

Math (PLEASE HELP!)
How do you solve sin2θ−cosθ=0 between -pi/2 less than or equal to θ less than or equal to 3pi/2?
Wednesday, July 13, 2016 by Anonymous

math
The side of a triangle are in the ratio 2:3:4.If the shortest side measure 6cm,what is the perimeter of the triangle?
Wednesday, July 13, 2016 by pratikshya

Math (PLEASE HELP!)
A ferris wheel has a radius of 13 m. It rotates once every 24 seconds. A passenger gets on at the bottom of the wheel from a ramp which is one metre above ground level. a) If the height of the passenger is measured from the ground, determine an equation for the height of the ...
Wednesday, July 13, 2016 by Anonymous

Math
The Fahrenheit temperature of a certain city has never dropped below 50 degrees how would you describe this using Celsius temperature and has never dropped below how many degrees Celsius simplify your answer type an integer or decimal rounded to the nearest tenth as needed
Wednesday, July 13, 2016 by Carol

math
Felicia left Rome at 8am and drove her Ferrari at 8mph from Rome to Sorrento. she then took the boat to Capri for the day, returning to Sorrento 5 hours later. on the return trip from Sorrento to Rome she averaged 60mph and arrived in Rome at 8pm. How far is it from Rome to ...
Wednesday, July 13, 2016 by laiche

math
Robin flies to San Francisco from LA in 4 hours. she flies back in 3 hours. if the wind is blowing from the north at velocity of 20mph during both flights, what was the airspeed of the plane (it's speed in the air)?
Wednesday, July 13, 2016 by brat

math
show solution. in a certain eatery, there are 5 glass racks having 24 glasses and 8 left over. The answer says there are 130 glasses in all.
Wednesday, July 13, 2016 by shawn

Math
If a run is 10 feet and the slope 1% what is the rise?
Wednesday, July 13, 2016 by Mark

Math
A minor league baseball team plays 95 games in the season if the team won 15 more than three times as many games as they lost how many wins and losses did they the team have I need the losses
Wednesday, July 13, 2016 by Carol

math
solve (x-1) (d^2 y)/〖dx〗^2 +2dy/dx=0 using series method
Wednesday, July 13, 2016 by yusuph

math
Write 3.027 in expanded form
Wednesday, July 13, 2016 by Anonymous

Math
If 18 gallons of gas costs X dollars what is the expression to represent the cost in dollars of 3 gallons
Wednesday, July 13, 2016 by Angie

math
What is the height of a cylinder with a volume of 384π cubic inches and a radius of 8 inches? Round to the nearest tenth of an inch.
Wednesday, July 13, 2016 by anon

Math
Given that Force 1 = 70 pounds and Force 2 = 120 pounds , find the angle between the forces if the magnitude of the resultant force is 90 pounds . Round answer to the nearest degree. A) 48° B) 40° C) 53° D) 45° E) 60° I think it is answer B
Wednesday, July 13, 2016 by Katya

Math
Mrs. Kumar bought 27 apples. She bought 15 more oranges. How many oranges did she buy?
Wednesday, July 13, 2016 by Primary 1 Math

math
Find the slope of the line whose parametric equations are x=2-t and y=1=2t fi this line passes through (2,y) find the value of y compute also the value of t
Wednesday, July 13, 2016 by johnel

Math
A student was asked to divide a number by 12. Instead he divided the number by 24. In doing so he got a quotient which was 16 less than the original number. Which of the following cannot be the value of that number. A) 394 B) 398 C) 396
Wednesday, July 13, 2016 by Madhura

Math
1/11 of 132 Evaluate
Wednesday, July 13, 2016 by Kavi

math
a messenger traveling 65 miles per hour pursues a truck which has a start of 2 hours and overtakes it in 3 hours. find the truck speed.
Wednesday, July 13, 2016 by jessa

Math
The sum of two decimals is 100. Their difference is 18.50. What are the numbers?
Wednesday, July 13, 2016 by alzo

Math
A court is to be surrounded by plastic stripping 30m long. One side of the court does not need the stripping because it is a brick wall. What must be the dimensions of the court in order to obtain a maximum area? What is the maximum area? Thank you! :)
Wednesday, July 13, 2016 by Gennelle

Math
Find two numbers which have a difference of 7, and a product that is a minimum. Thank you! :)
Wednesday, July 13, 2016 by Gennelle

Math
laura spent 20 percent of her money on a dress. she spent 2/5 of the remainder on a book. she had $72 left. how much money did she have at first?
Wednesday, July 13, 2016 by Stephanie

math
find the value of k so that k-3,k+1,4k-2 form a geometric sequence.
Wednesday, July 13, 2016 by peejhay

math
A boy reaches his school 1.4km away in 1hr 40mins at what speed does he travels?
Wednesday, July 13, 2016 by karan

Math
Find a polynomial of degree 3 with real coefficients and zeros of -3, -1, and 4, for which f(-2) = 24.
Tuesday, July 12, 2016 by DeniseG

math
Are trigonometric functions taught in 11th grade, if so ,is it wrong that i wasn't tought that topic in 11th grade????plz help!!!!
Tuesday, July 12, 2016 by Lauren

Math
2x+9square root of x-5=0
Tuesday, July 12, 2016 by Anonymous

Math
Square 40 acres of land must be fenced and a rectangular 40 acres of land must also be fenced. Witch of the 2 will use more fencing?
Tuesday, July 12, 2016 by Reynhard

MAth
what is the greatest common factor of the terms of 24m^9-27m^7-24m^5
Tuesday, July 12, 2016 by Shyan

bus math
Solve the problem. Express answers as a percent rounded to the nearest tenth. 20) Complete a vertical analysis on the balance sheet for Jake's Janitorial Service for December 31 of last year. The company assets are cash $20,000, accounts receivable $48,000, merchandise ...
Tuesday, July 12, 2016 by damerius

math
A home with a market value of $320,000 is insured for $288,000 in a policy that contains an 80% coinsurance clause. Find the part of a loss due to fire that the insurance company will pay
Tuesday, July 12, 2016 by damerius

Math
Amy have 69 shells she put them into 8 groups how many shells are there? 8.625
Tuesday, July 12, 2016 by kate

Studying for math test
Multiply; then use fundamental identities to simplify the expression below and determine which of the following is not equivalent. (sin x + cos x) ^2 a. 1+2sinxcosx b. sec^2x−tan^2x+2cosxsinx c. sec x + 2 sin x/sec x d. sin^2x+cos^2x e. 1+2cos (pi/2 -x) cosx
Tuesday, July 12, 2016 by Lottie

Math
Calculate y' and y'' at the point (1,1) on the curve 5 xy^2+9 y-14 = 0 I got the first part (-5/19) but I can't get the answer for the second
Tuesday, July 12, 2016 by Ed

math
Emmanuel wants to tile his rectangular floor. one of which is larger than the other. a)what area will be covered by the "8x8"tile? "16x16" tile?
Tuesday, July 12, 2016 by Anonymous

Math - Studying for Pre Calc exam!
Approximate the solutions (to three decimal places) of the given equation in the interval (- pi/2, pi/2) 6 sin 2x − 8 cos x + 9 sin x = 6 Can you help with this please? I am studying for my Pre Calculus 1 exam and am stuck on this question...! The answer options are a. x...
Tuesday, July 12, 2016 by Lottie

math
Find the orthogonal trajectories of family of the circle x2+y2=a2 where a is a parameter
Tuesday, July 12, 2016 by mahesh

Math
Find all solutions of the given equation in the interval [0, 2pi) cos x/2 - sin x = 0 Hi, I am struggling with this question. Can anybody help me please? Thanks!
Tuesday, July 12, 2016 by Lottie

math
If 3 times a positive number is added to the half of its square the result is 8 find the number
Tuesday, July 12, 2016 by md nasim

math
dy/dx=xyforx=1.4 intially x=1 y=2(take h=0.2
Tuesday, July 12, 2016 by savan

Math Please Help
The function Q(x) has been transformed from the function f(x) = x^4. The mapping rule for the function can be written as (2x + c, 4y + d). If the coordinate(1/2 ,1/16) on the function f(x) is transformed to (3,5) on Q(x), determine the value of c and d.
Tuesday, July 12, 2016 by Squad

algebra 2
x2 + 2x – 10/ 3x – 15 Explain in your own words what the meaning of domain is. Also, explain why a denominator cannot be zero. Find the domain for each of your two rational expressions. Write the domain of each rational expression in set notation (as demonstrated in ...
Monday, July 11, 2016 by peaches

algebra 2
16t^2 – 1/64 Explain in your own words what the meaning of domain is. Also, explain why a denominator cannot be zero. Find the domain for each of your two rational expressions. Write the domain of each rational expression in set notation (as demonstrated in the example). ...
Monday, July 11, 2016 by peaches

Math
The temperature deceased due to increase in altitude at the rate of 8 degrees Celsius per 1500 m the temperature at 4500 m above the ground level is 4 degrees Celsius find the temperature at ground level and at an altitude of 9000 m
Monday, July 11, 2016 by Anonymous

MATH
A beautiful Princess is locked inside the Castle. A Moat 15 metres wide surrounds the Castle. A Knight is attempting to rescue the Princess but he only has two planks of wood, both 14.5 metres long. How can the brave Knight bridge the Moat and rescue the Princess. Draw ...
Monday, July 11, 2016 by Sandy

Math
Write the equation of a rational function in the form of 𝑓(𝑥) = 𝑎𝑥+𝑏/𝑐&#​119909;+𝑑 if the vertical asymptote is x =5, the horizontal asymptote is y=2, the x-intercept is (-1/2 , 0) and the y-intercept is (0,-1/5 ).
Monday, July 11, 2016 by Squad

Math Please Help ASAP
The function 𝑄(𝑥) has been transformed from the function 𝑓(𝑥) = 𝑥^4 . The mapping rule for the function can be written as (2𝑥 + 𝒄, 4𝑦 + 𝒃). If the coordinate(1/2 ,1/16) on the function 𝑓(𝑥...
Monday, July 11, 2016 by Matt

Math - Transformations
State the transformation for g(x) = -2 (2x - 4)³ - 1 Would it be a vertical stretch by a factor of 2 a reflection in the x-axis a horizontal stretch by a factor of 1/2 a translation 4 units right and 1 unit down Am i right?
Monday, July 11, 2016 by Jen

math
A theater group made appearances in two cities. The hotel charge before tax in the second city was $500 lower than in the first. The tax in the first city was 6%, and the tax in the second city was 4.5% The total hotel tax paid for the two cities was $292.50 . How much was the...
Monday, July 11, 2016 by jazmine

math
Two mechanics worked on a car. The first mechanic worked for 5 hours, and the second mechanic worked for 15 hours. Together they charged a total of $2025 . What was the rate charged per hour by each mechanic if the sum of the two rates was $205 per hour
Monday, July 11, 2016 by jazmine

MATH
Rewrite equation w=exp(2y+8z-3x) as the product of three terms. note that writing exp(a) is the same as writing e^a
Monday, July 11, 2016 by DANIELLE

math please help?! studying for test!!
If x = 9tanθ, use trigonometric substitution to write square root 81 + x^2 as a trigonometric function of θ, where -pi/2 < θ < pi/2
Monday, July 11, 2016 by sophie

math help?!
If x = 6sinθ, use trigonometric substitution to write square root 36-x^2 as a trigonometric function of θ, where where 0<θ< pi/2
Monday, July 11, 2016 by sophie

MATH
SIMPLIFY THE FOLLOWING EXPRESSION: Z=LOG(E^5Y) i MOVED THE EXPONENT TO THE FRONT: Z=5YLOGE IS THIS CORRECT?
Monday, July 11, 2016 by DANIELLE

MATH
REWRITE EQUATION W=EXP(2Y+8Z-3X) AS THE PRODUCT OF THREE TERMS
Monday, July 11, 2016 by DANIELLE

Math
The function −2𝑓(2𝑥 + 4) − 1 has been transformed from the graph of 𝒇(𝒙) = 𝒙^𝟑 Write the equation for the transformed function.
Monday, July 11, 2016 by Jen

math
Write the given expression as the tangent of an angle. tan 7x − tan x/ 1 + tan 7x tan x
Monday, July 11, 2016 by terry

math
Write the given expression as the cosine of an angle. cos 60° cos 65° − sin 60° sin 65°
Monday, July 11, 2016 by terry

Math
Describe the end behaviour of 0.5(x-2\)^2\(x+1)(x-5)^3
Monday, July 11, 2016 by Matt

Math
A polynomial function with a degree of 6 has the zeros of 𝑥 = 2 (order 2), 𝑥 = −1 (order 1) and 𝑥 = 5 (order 3). Write a general formula for a family of functions that share the same properties as this function. Please HELP!
Monday, July 11, 2016 by Matt

math
A man buys a corporate bond from a bond brokerage house for $925. The bond has a face value of $1000 and a 4% coupon rate paid semiannually. if the bond will be paid off at the end of ten years, what rate of return will the man receive?
Monday, July 11, 2016 by sheree

Math
Directrix at y=3,axis x=2 Latus rectum 4
Monday, July 11, 2016 by Josa villa

math
volume of equilateral triangle with and area of 6 sq inches and height of 15 inches
Monday, July 11, 2016 by taylor

math
Use a graphing utility to approximate the solutions (to three decimal places) of the given equation in the interval (-pi/2, pi/2) a. 1 b. –1 c. 1/2 d. 2 e. 0
Monday, July 11, 2016 by megan

math
Use a graphing utility to approximate the solutions (to three decimal places) of the given equation in the interval square bracket0, 2π) sin 2x + 1.5 cos x = 0 a. x = 1.624, 1.932, 5.776, 5.997 b. x = 1.055, 3.785, 4.652, 5.721 c. x = 1.101, 2.118, 3.982, 5.104 d. x = 1....
Monday, July 11, 2016 by megan

math
Kyle opened a bank account with $450. He deposits $58.50 each week. Write a function that shows the amount he has after w weeks. What is the function.
Monday, July 11, 2016 by kyle

Math
Directrix at y=3,axis x=2 Latus rectum 4
Monday, July 11, 2016 by Josa villa

math
the building supply store sells one liter bottles of water for $1.09 approximately how many 8 ounce servings of water in 1 liter
Monday, July 11, 2016 by chris

math
the kitchen is 12 ft wide and 14 ft long how many six inch tile will I need to cover the floor
Monday, July 11, 2016 by mike

Math
Ivan finished 4/5 of his math homework problems and all 3 questions for his science homework before dinner . If he finished a total of 43 problems before dinner , what is the total number of math homework problems he was assigned?
Monday, July 11, 2016 by Janeya

math
what number whose sum of its digit is 26 becomes 6000 when rounded to the nearest thousand.
Monday, July 11, 2016 by Anonymous

Math
How may ordered pair of positive integers satisfy the condition p+q+12=pq
Monday, July 11, 2016 by Madhura

Math
The volume V of gas varies inversely as the pressure P on it. If the volume is 240 cm^3 under pressure of 30 kg/cm^2, what pressure has to be applied to have a volume of 160 cm^3 ?
Monday, July 11, 2016 by Gennelle

math
It has been observed that a particular plant's growth is directly proportional to time. It measured 2 cm when it arrived at the nursery ang 2.5 cm exactly one week later. If the plant continues to grow at this rate, determine the function that represents the plant's ...
Monday, July 11, 2016 by Gennelle

Math
the length of a garden is 4 more than the width.if the perimeter is at least 63 m and ar most 95 m what is the maximum possible integral length of the garden
Monday, July 11, 2016 by Queen

  1. Pages:
  2. <<Prev
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 13
  14. 14
  15. 15
  16. 16
  17. 17
  18. Next>>