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(4-3i/7)+2/7+8i-(4-2i)
answered
Jul 2, 2017
in
Other Math Topics
|
476
views
6.6mm of rain fall onto a rectangular roof 8m long and 6m wide. The rain water drains into a cylindrical barrel of diameter 60cm. How far does the water level rise in the barrel
answered
Jun 29, 2017
in
Other Math Topics
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1.5k
views
menstruation
two years ago my age was four times that of my son eight years ago my age was ten times that of my son.find the age of my son
answered
Jun 29, 2017
in
Word Problem Answers
|
1.9k
views
world problems
The figure shows the temperature during a day in a place. How fast is the temperature changing from 1:00 P.M. to 7:00 P.M.?
answered
Jun 29, 2017
in
Calculus Answers
|
6.6k
views
this problem is in related to differential calculus
calculus problems. what is the answer?
word problems
How do I solve -2x -y = 0 for x & y intercept? (0,0)
answered
Jun 27, 2017
in
Pre-Algebra Answers
|
657
views
graphing linear equations
If x:y=2:3 and y:3=4:7 ,then what will be the value of x:y:3
answered
Jun 27, 2017
in
Other Math Topics
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386
views
How to find y-intercept with 5x=1?
answered
Jun 27, 2017
in
Algebra 1 Answers
|
849
views
graphing linear equations
Differentiate the following functions w.r.t x.
answered
Jun 22, 2017
in
Calculus Answers
|
1.5k
views
calculus problems
differentiation
solving calculus
For what values of m does the equation has reciprocal roots.
answered
Jun 22, 2017
in
Algebra 1 Answers
|
1.8k
views
algebra problems
quadratic equation
Bethany cooked a total amount of 3 kg and 530 g of rice from Monday to Wednesday.
answered
Jun 20, 2017
in
Word Problem Answers
|
521
views
math problem
word problems
How do we integrate [2(x)^3*e^(-x^2) dx] ?
answered
Jun 19, 2017
in
Calculus Answers
|
366
views
indefinite integral
y=Csmall1e raise to x+Csmall2cos2x+Csmall3sin2x
answered
Jun 19, 2017
in
Calculus Answers
|
456
views
how to find x intercept
x²+22x+121=0
answered
Jun 18, 2017
in
Other Math Topics
|
779
views
solving equations
A $10000 loan is taken & is repaid by annual installments of $2000. Interest is charged on the outstanding debt at 10% p.a. find the number of years it takes for the mortgage to be repaid
answered
Jun 17, 2017
in
Word Problem Answers
|
877
views
geometric
progression
square root of 1296 by prime factorization
answered
Jun 17, 2017
in
Other Math Topics
|
3.5k
views
prime factorization
square roots
determine the general form of the equation of the circle whose center is (3,2) and whose graph contains the point (1,2)
answered
Jun 17, 2017
in
Calculus Answers
|
4.4k
views
general form
standard form of an equation
distance formula
Given that log216=2,334 and log3=0,477 find log6
answered
Jun 17, 2017
in
Other Math Topics
|
998
views
o
(x^3-19x-30)÷(x-5)
answered
Jun 15, 2017
in
Algebra 1 Answers
|
1.7k
views
polynomials
algebra problems
math problem
find all zeroes of the polynomials 2x⁴+7x³-19x²-14x+30 if two of its zeroes are √2,-√2
answered
Jun 15, 2017
in
Other Math Topics
|
1.6k
views
polynomials
A cylindrical tank has a diameter of 3.5m and height of 2.6m. If the water flowing in the tank, flows at a rate of 25 litres per second, how long will it take to fill the tank?
answered
Jun 14, 2017
in
Word Problem Answers
|
780
views
word problems
Using Equations to solve problems
answered
Jun 13, 2017
in
Other Math Topics
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419
views
using equations to solve problems
The sum of the ages of two brothers is 38. Four years ago the elder brothers age was square that of the younger brother. What are the ages of the two brothers?
answered
Jun 13, 2017
in
Word Problem Answers
|
2.4k
views
word problems
After Fitrah spent 20% and Sophia spent 30% of her monthly salary,both had the same amount of money left.If Fitrah's monthly salary RM1800 how much was Sophia's monthly salary?
answered
Jun 12, 2017
in
Word Problem Answers
|
440
views
word problems
What are the characteristics of a quadratic equation with two solutions,one solution,and no solution?
answered
Jun 12, 2017
in
Other Math Topics
|
2.5k
views
algebra problems
If increasing 30 by P% gives the same result as decreasing 90 by P% , what is the value of P ?
answered
Jun 12, 2017
in
Word Problem Answers
|
1.8k
views
math problem
y''-2y'+2y=(e^x)*secx using Wronskian
answered
Jun 11, 2017
in
Calculus Answers
|
4.1k
views
find all solutions for
mixture problem
answered
Jun 9, 2017
in
Algebra 1 Answers
|
484
views
What fraction is equal to 29.8622
answered
Jun 7, 2017
in
Other Math Topics
|
376
views
math problem
Let f(x) = 2x, g(x) = x2 + 2, and h(x) = -4x + 3. Find the composite function.
answered
Jun 5, 2017
in
Algebra 2 Answers
|
7.9k
views
operations with functions
72 is 80% of what number
answered
Jun 5, 2017
in
Word Problem Answers
|
399
views
calculating percentages
determine the general solution of :sin 2t =4cos 2t
answered
Jun 4, 2017
in
Trigonometry Answers
|
577
views
cos
help needed please
answered
Jun 2, 2017
in
Other Math Topics
|
317
views
algebra problems
help needed please
answered
Jun 2, 2017
in
Other Math Topics
|
349
views
algebra problems
The cost of hiring a car for a day is $60 plus 0.25 cents per kilometer. Michelle travels 750 kilometers. What is her total cost
answered
Jun 2, 2017
in
Word Problem Answers
|
993
views
word problems
I am a number cubed. I,am grater than 90, but lesa than 140.i am a multiple of 5.what number am i?
answered
Jun 1, 2017
in
Word Problem Answers
|
520
views
How to alive -3.2 times (-1.7)
answered
Jun 1, 2017
in
Other Math Topics
|
428
views
how to solve this word problem
answered
Jun 1, 2017
in
Word Problem Answers
|
729
views
word problem
find the nth term of sequence R
answered
May 31, 2017
in
Other Math Topics
|
1.4k
views
finding the nth term
sequences and series
arithmetic sequences
Lowest common multiple of 14 and 8
answered
May 30, 2017
in
Other Math Topics
|
475
views
math problem
find the sum of all positive numbers from 5 to 1,555 that are divisible by 5
answered
May 30, 2017
in
Geometry Answers
|
2.5k
views
arithmetic sequences
geometry problems
Q. show that u(x, y)=xf(2x+y) is a general solution of x∂u/∂x-2x ∂u/∂y=u
answered
May 26, 2017
in
Calculus Answers
|
484
views
differentiation
Evaluate the inverse laplace transform of the function f(s)=1/s+42-4s/(s+3)^4
answered
May 24, 2017
in
Other Math Topics
|
796
views
factorise the following expressions (1). X ² + 6x + 8 (2). X² - 5x + 6
answered
May 24, 2017
in
Statistics Answers
|
778
views
factoring
the sets A= {x: 1<=x<=3} and B = {x: x= 1,10} are subsets of U = {x:1<=x<=10}, where X is an integer. (a) list the members of the sets A,B and U (b) Find A n B
answered
May 24, 2017
in
Statistics Answers
|
615
views
sets
solve the inequality of 1/11c greater or equal to 9
answered
May 24, 2017
in
Algebra 1 Answers
|
1.3k
views
solving compound inequalites
What is the differential coefficient of sin(2x-5)
answered
May 24, 2017
in
Calculus Answers
|
372
views
calculus problems
Evaluate the inverse laplace of the function f(s)=s/s²+64
answered
May 23, 2017
in
Other Math Topics
|
1.4k
views
Determine the laplace transform k(t)=5t²e^-4t + sin(3t)
answered
May 23, 2017
in
Other Math Topics
|
1.2k
views
if p denotes the length of perpendicular line drawn from origin to a line x÷a+y÷b=1 then show that 1÷a^2+1÷b^2=I ÷p^2
answered
May 23, 2017
in
Geometry Answers
|
938
views
prove the following question
word problems
answered
May 23, 2017
in
Word Problem Answers
|
819
views
word problems
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