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Answers by Fermat
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User Fermat
Recent activity
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Make P subject
answered
May 23, 2017
in
Other Math Topics
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786
views
rearranging formulae
Q. show that u(x, y)=xf(2x+y) is a general solution of x∂u/∂x-2x ∂u/∂y=u
answered
May 22, 2017
in
Calculus Answers
|
762
views
differential equation
logarithms
answered
May 22, 2017
in
Other Math Topics
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687
views
solving equations
logarithmic equations
logarithms
tanα:tanβ=x:y
answered
May 22, 2017
in
Trigonometry Answers
|
450
views
Solve d²A/dt² - 4 dA/dt - 5A=0
answered
May 21, 2017
in
Other Math Topics
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517
views
if A=sinui+cosuj+uk, B=cosui-sinuj-3k and C=2i+3j-k, evaluate d/du(Ax(BxC))
answered
May 21, 2017
in
Algebra 2 Answers
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3.7k
views
algebra2
d^2A/dt^2-4dA/dt-5A=0
answered
May 21, 2017
in
Algebra 2 Answers
|
519
views
use comma(
exponential coshx expand
answered
May 21, 2017
in
Other Math Topics
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775
views
proving trigonometric identities
hyperbolic
simplifying expressions
find all x in z satisfying the equation 5x=1(mod 6)
answered
May 20, 2017
in
Algebra 2 Answers
|
654
views
solving equations
find all x in z satisfying the equation 5x=1(mod 6)
answered
May 20, 2017
in
Algebra 2 Answers
|
2.4k
views
solving equations
Which equation best represents the line of best fit for the scatterplot? A) y = x + 6 B) y = 2x + 6 C) y = -x + 6 D) y = -2x + 6
answered
May 18, 2017
in
Algebra 1 Answers
|
4.3k
views
algebra problems
Q. Obtain the partial differential equation by eleminating the arbitrary constant from the relation u=ax+(1-a)y+b
answered
May 18, 2017
in
Calculus Answers
|
2.1k
views
differential equation
A=p(1+I)n make I and n subject of the formula
answered
May 18, 2017
in
Other Math Topics
|
1.8k
views
rearranging formulae
find the magnitude of a vector A=3i-2j+2k
answered
May 18, 2017
in
Algebra 2 Answers
|
5.7k
views
answer and explain the pattern rule!!!
answered
May 17, 2017
in
Word Problem Answers
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753
views
pattern rule
please answer this pretty much as soon as you see it.
explain the pattern
answered
May 17, 2017
in
Word Problem Answers
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385
views
pattern rule
Expand the expression 2(r-4)+5(r+2)
answered
May 17, 2017
in
Pre-Algebra Answers
|
834
views
Finding mass of eight 16 year old boys. When four 12 year old boys has their mass of 144kg
answered
May 16, 2017
in
Word Problem Answers
|
505
views
word problems
The water authority charges $10.00 per month for the meter rent , $25.00 for the first 100 liters and $ 1.00 for each additional 10 liters. What is the total bill for 250 liters used in one month?
answered
May 16, 2017
in
Word Problem Answers
|
2.2k
views
word problem
how do you solve 3y +17 = -13
answered
May 16, 2017
in
Algebra 1 Answers
|
411
views
algebra problems
The measure of a regular polygon’s interior angle is four times bigger than the measure of its external angle. How many sides does the polygon have?
answered
May 12, 2017
in
Geometry Answers
|
1.5k
views
geometry problems
y=2x+c is a chord of the ellipse x^2+4y^2=16. as c varies find the locus of the midpoint of the chord
answered
May 12, 2017
in
Other Math Topics
|
405
views
calculus problems
Differenciate the function from first principle f (t)=kt^
answered
May 10, 2017
in
Calculus Answers
|
1.3k
views
general solutions
derivatives
what is the sum of 1/squirt of n➋+1
answered
May 10, 2017
in
Other Math Topics
|
397
views
finding sum of series
X=((12/13)x) -(5/13)y, Y=((5/13)x =(12/13)y) what does this equal? 25X^2 - 120XY +144Y^2 -156X -65Y
answered
May 9, 2017
in
Calculus Answers
|
768
views
geometry problems
calculus problems
precalculus problems
What is the complete factorization of 8y^3-4y^2+10y
answered
May 9, 2017
in
Pre-Algebra Answers
|
1.6k
views
algebra problems
find the value of a+b+c
answered
May 9, 2017
in
Algebra 1 Answers
|
351
views
answer soon. please
x³ -3x² -10x /x³ -5x²
answered
May 9, 2017
in
Calculus Answers
|
1.4k
views
calculus problems
Examine the diagram at right. Use the given geometric relationships to solve for x, y, and z. Be sure to justify your work by stating the geometric relationship and applicable theorem
answered
May 9, 2017
in
Algebra 2 Answers
|
1.8k
views
algebra problems
Prove that...........
answered
May 9, 2017
in
Other Math Topics
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388
views
combination
what number must be subtracted from -20 to get 15
answered
May 8, 2017
in
Other Math Topics
|
2.5k
views
find the number she gave to each friend
answered
May 7, 2017
in
Algebra 2 Answers
|
408
views
fraction problems
factorise 2x^2+7x+6
answered
May 5, 2017
in
Algebra 1 Answers
|
804
views
factoring
A concrete spherical shell is constructed for building aesthetic. The contractor designated 6 in for its thickness and 24π sq ft for interior area, how much concrete is required for this project?
answered
May 5, 2017
in
Word Problem Answers
|
497
views
math problem
word problems
solid mensuration
A hollow ball is to be made out of 27π cubic inch of rubber. If the ball will have uniform thickness, & desired surface area is 36π square inches, how thick should the material of this ball be?
answered
May 4, 2017
in
Word Problem Answers
|
568
views
solid shapes
solid mensuration
word problems
math problem
A hollow ball is to be made out of 27π cubic inch f rubber. If the ball will have uniform thickness, & desired surface area is 36π square inches, how thick should the material of this ball be?
answered
May 4, 2017
in
Word Problem Answers
|
628
views
word problems
solid shapes
solid mensuration
4(3-x)+×=22 + 2×
answered
May 4, 2017
in
Pre-Algebra Answers
|
382
views
l
Use the given zero to find the remaining zeros. h(x)=3x^4+10x^3+19x^2+90x-73 zero:-3i
answered
May 3, 2017
in
Calculus Answers
|
1.4k
views
calculus problems
Oscillating sinusoidal function
answered
May 3, 2017
in
Calculus Answers
|
827
views
calculus
sinusoidal graph
calculus problems
The number of degrees in an angle of a triangle is to the number of grades in the second is to the number of radians in the third as 288:280:pi. Find all the angles in degrees.
answered
May 3, 2017
in
Trigonometry Answers
|
2.7k
views
please done in 5mins
The sum of the digits of a two -digit number is 14. When the digits are reversed the difference between the original number and the new number is 36. find the original number
answered
May 2, 2017
in
Word Problem Answers
|
1.1k
views
math problems
show that linear transformation and matrices are equivalent.
answered
May 2, 2017
in
Algebra 2 Answers
|
854
views
mathematical proofs
algebra problems
The center of the diameter of a circle is at -6,10 and one endpoint is at -8,8. Determine the other endpoint of the diameter. Graph the diameter of a circle
answered
May 1, 2017
in
Other Math Topics
|
972
views
analytic geometry
-6
10 center of the diameter of a circle and one endpoint at -8
a father and his sons ages are in the ratio 10:3.his son is 15years old now.how many years time will the fathers age be in the ratio 2:1
answered
Apr 29, 2017
in
Word Problem Answers
|
1.0k
views
how do you solve this equation problem? please show steps to solve..i've figured most but got stuck on this one.
prove tan15° + cot15° = 4
answered
Apr 29, 2017
in
Trigonometry Answers
|
2.5k
views
grade 10 optional maths
Given that 5b:8=2:5, find the value of b
answered
Apr 29, 2017
in
Other Math Topics
|
3.8k
views
#ratio
#please answer as soon as possible :(
A certain amount of money is shared between Rui Feng and Vishal in th ratio of 5:9, if Rui Feng gets $44 less than Vishal, find the total amount of money that is shared between the two boys
answered
Apr 29, 2017
in
Other Math Topics
|
13.1k
views
#ratio
the line y = 2x+c is tangent to parabola y^2=4x then the vale of c is equal to
answered
Apr 28, 2017
in
Algebra 2 Answers
|
622
views
equation of line
equation of a tangent line
calculus problems
Tim and George are the same height. Tim is 5/6 the height of their friend Peter, and George is 7/8 the height of Peter minus 2 and 1/4 inches. How tall Peter, Tim, and George?
answered
Apr 28, 2017
in
Word Problem Answers
|
865
views
advanced math word probelm
given that (y)/(x) = (7)/(2), evaluate (7x+y)/(x-1/7y)
answered
Apr 28, 2017
in
Calculus Answers
|
2.8k
views
algebra problems
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