Toggle navigation
Email or Username
Password
Remember
Login
Register
|
I forgot my password
Questions
Hot!
Unanswered
Tags
Users
Ask a Question
Advertise With Us
Answers by Rod
Home
User
Rod
Answers
User Rod
Recent activity
All questions
All answers
User Rod
Recent activity
All questions
All answers
AB is a focal chord of the parabola y^2 = 4x
answered
May 14, 2018
in
Calculus Answers
|
450
views
calculus problems
parabolas
Consider the following equations for an ellipse and a hyperbola.
answered
May 14, 2018
in
Calculus Answers
|
499
views
conics
precalculus problems
a point is translated 2 units to the right and five units down on the coordinate plane, how will this affect the x- and y- coordinates of the point?
answered
May 14, 2018
in
Pre-Algebra Answers
|
642
views
alegebra
math
Let (x, y) be a point on the parabola x^2 = 4py.
answered
May 14, 2018
in
Calculus Answers
|
1.0k
views
parabola
conics
Convert the equation into polar form
answered
May 14, 2018
in
Calculus Answers
|
379
views
polar equation
precalculus problems
for the sequence an = 6. (1/3)n, a4 is
answered
May 14, 2018
in
Other Math Topics
|
6.2k
views
if y = f(x) = x + 2/x-1, then
answered
May 14, 2018
in
Other Math Topics
|
313
views
How many ride tickets can you purchase at $.75 each?
answered
May 14, 2018
in
Factors of a number
|
276
views
math
word problems
f(x) = 2x2 - 5 and g(x) = 2x - 1. the value of g(f(-3)) is
answered
May 14, 2018
in
Other Math Topics
|
6.7k
views
operations with functions
Five times the smaller of two consecutive numbers is added to 3 times the bigger, the result is 579. Find the smaller integer.
answered
May 14, 2018
in
Algebra 1 Answers
|
1.0k
views
word problems
Give the component form of the resultant vector in the following. u = (9, 2) v = (-5, -2) 2u - 3v = ?
answered
May 14, 2018
in
Other Math Topics
|
2.4k
views
vectors
P(all three six-sided dice show the same number)
answered
May 14, 2018
in
Algebra 2 Answers
|
342
views
dice
probability of an event
probability
Tangent lines are drawn to the ellipse x^2 + 3y^2 = 12 at points (3,-1) and (-3,-1) on the ellipse.
answered
May 13, 2018
in
Calculus Answers
|
264
views
conics
ellipse
tangent
the inverse of the function f(x) = 3x/x + 2 is
answered
May 13, 2018
in
Other Math Topics
|
1.4k
views
math problems
if a^2 = b^3 = c^4 = d^5 then prove that loga (b is subset of d) = 47/30
answered
May 13, 2018
in
Word Problem Answers
|
646
views
foundations of mathematics
evaluate the expression
prove: if P is any point inside triangle ABC, then AB + AC > PB + PC
answered
May 13, 2018
in
Geometry Answers
|
1.3k
views
trigonometry problems
if c is the midpoint of point A(-3,-4) and B(-5,6), then AC=?
answered
May 13, 2018
in
Algebra 1 Answers
|
725
views
algebra problems
If a power x = b power y = c power z and b power 2 = ac prove 1/x + 1/y = 2/z
answered
May 13, 2018
in
Algebra 1 Answers
|
1.6k
views
algebra problems
evaluate the expression
If a^x = b^y = c^z and b^2 = ac, then xy + yz =
answered
May 13, 2018
in
Algebra 1 Answers
|
1.7k
views
algebra problems
i have two equations xe^xy+1=0 and ye^xy+1 how do i solve for x?
answered
May 13, 2018
in
Calculus Answers
|
469
views
solving systems of equations by substitution
xe^xy+ye^(-xy)=sin^2(x).then derivative of y with respect to x at x=0
answered
May 13, 2018
in
Calculus Answers
|
554
views
<<
It takes Jupiter about 12 Earth years to orbit the Sun, and it takes Uranus about 84 earth years to orbit the sun. Write the orbits as a ratio, Jupiter's time: Uranus's time.
answered
May 13, 2018
in
Word Problem Answers
|
306
views
solving equations
pre algebra problems
f(x+y,x-y)=xy then mean of f(x,y) & f(y,x) is ?
answered
May 13, 2018
in
Calculus Answers
|
614
views
fuction problem
answer: 6(2a-3)-3(a-4)=16
answered
May 12, 2018
in
Pre-Algebra Answers
|
410
views
algebra problems
Max is making a rectangular garden that is 5 feet less than twice it’s width. If the perimeter of the garden is 80 feet, what will be it’s dimensions?
answered
May 12, 2018
in
Algebra 1 Answers
|
2.1k
views
dimensions of rectangle
word problems
How much of each alloy should be mixed to attain the 100 grams of alloy with 16% titanium?
answered
May 11, 2018
in
Word Problem Answers
|
274
views
solving applied problems: two equations
You are designing a rectangular swimming pool that is above the ground. The width of the pool is 3 feet more than the depth and
answered
May 11, 2018
in
Algebra 2 Answers
|
990
views
volume
. Luis' annual gross income that year was $65,200. He filed as a single father with one child dependent. How much did Luis have to pay in 2010?
answered
May 11, 2018
in
Other Math Topics
|
276
views
word problems
Solve using the arrow way, a number bond, and a tape diagram: Kevin had 100cents. He spent 3 dimes, 3 nickels, and 4 pennies on a balloon. How much money does he have left?
answered
May 11, 2018
in
Word Problem Answers
|
1.6k
views
2nd grade math
math problem
word problems
Mrs.Hernandez gave a test to her class.Mrs.Hernandez used these test scores to predict the results for the other classes.She teaches a total of 150 students how many should score a 90 or above?
answered
May 11, 2018
in
Other Math Topics
|
301
views
word problems
proportions
percent of change
y varies directly as x, and y = 30 when x = -6
answered
May 11, 2018
in
Algebra 2 Answers
|
5.9k
views
math problem
if the slope of the curve y=kx^4+kx^3 at x=-1 is 4, then what is the value of k?
answered
May 11, 2018
in
Calculus Answers
|
321
views
precalculus problems
derivatives
power rule
What is the range of 23-26-16-23-25-25-25
answered
May 10, 2018
in
Other Math Topics
|
271
views
math problem
range problems
terry had $34. he spent 2/5 of the money on a picture book. then he spent $8.25 on a birthday present. how much money did he spend altogether
answered
May 10, 2018
in
Word Problem Answers
|
383
views
word problems
Price the price of a gallon of gas was $3.23 one week and $3.15 the next week which of the following best describes the percent of decrease for the price of a gallon of gas between the two weeks
answered
May 10, 2018
in
Other Math Topics
|
876
views
percent of change
word problems
A map for the state of Virginia has a scale of 1 cm equals 30 miles if Richmond and Roanoke are 169 miles apart on the map what is the distance on the map between the two cities
answered
May 10, 2018
in
Other Math Topics
|
953
views
word problems
proportions
percent of change
A rectangular plot of land has an area of 4230 square feet, the length if the plot of land is 43 feet long then its width ,determine algebraically the dimensions of the land in feet
answered
May 10, 2018
in
Algebra 1 Answers
|
1.1k
views
dimensions of rectangle
word problem
maria plays 16 round of a game with her friend, she scored in 10 of them and the final score is 34 to 24. How many round did she score 5 points and how many rounds did she score 3
answered
May 10, 2018
in
Algebra 1 Answers
|
358
views
word problem
math problem
Latoya can plow 3.2 acres of land in an hour. How long will it take her to plow 2.4 acres of land
answered
May 10, 2018
in
Word Problem Answers
|
2.5k
views
# word problem
The admission fee is 1.5=x and 4=y, on a certain day, 2200 people pay admission, how many were x and how many were y?
answered
May 10, 2018
in
Algebra 1 Answers
|
459
views
word problem
Write an equation relating the cost c for any number of months m at each health club
answered
May 10, 2018
in
Word Problem Answers
|
218
views
word problems
The costs for going to a dog beach are $7 for 1 dog, and $2 for each additional dog. Write an equation for this situation, when going to the beach with at least one dog.
answered
May 10, 2018
in
Pre-Algebra Answers
|
2.5k
views
word problems
math
pre algebra problems
During a survey it was discovered that 84 out of 124 students have brown eyes. About how many students with brown eyes would you expect to find out of 10 of the student?
answered
May 9, 2018
in
Word Problem Answers
|
797
views
calculating percentages
word problems
What least no of terms of the sequence 17,15 (4/3),14 (3/5)........ should be taken so that the sum is negative
answered
May 9, 2018
in
Other Math Topics
|
256
views
math problem
Calculate the five-number summary of the given data. Use the approximation method. 25,16,12,17,25,16,14,8,23,22,7,3,17,5,15
answered
May 9, 2018
in
Word Problem Answers
|
5.2k
views
math problem
word problems
2 5n-2. 3 5n-2.
answered
May 9, 2018
in
Other Math Topics
|
248
views
A chemist has a 25% hydrochloric acid solution and a 50% hydrochloric acid solution. How many of each should she mix to get 9 liters of solution with a 40% acid concertration?
answered
May 9, 2018
in
Word Problem Answers
|
2.5k
views
word problems
algebra
math problem
Use trapezoids to approximate the area under the curve y=f(x)=5sin(πx)+2.5cos(4πx) on the interval [0,1] using 10 equal subdivisions.
answered
May 9, 2018
in
Calculus Answers
|
1.9k
views
area under a curve
calculus problems
please help me with the question
Use trapezoids with 6 equal subdivisions to approximate the area beneath the curve y=f(x)=1/(1+x^2) on the interval [0,6].
answered
May 9, 2018
in
Calculus Answers
|
1.7k
views
area under a curve
calculus problems
please help me with the question
What fraction of the students watch between 0 and 2 hours of TV
answered
May 9, 2018
in
Pre-Algebra Answers
|
857
views
word problems
Page:
« prev
1
...
234
235
236
237
238
239
240
241
242
243
244
...
431
next »
87,448
questions
99,050
answers
2,422
comments
4,785
users
