01/11/18
Volume and surface area And cubes
Cube A has a surface area of 150 cm2
Cube B has sides half the length of Cube A
What at is the volume of Cube B?
01/10/18
My father is 40 years older than me and he is three times my age. How old am I ?
my Father is 40 years older than me and he is three times my age. How old am I?
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01/07/18
functions- higher maths
f(x)= 1/X2-1 g(x) = 3x-1
do G(F(X))
can anyone explain how the Answer is 4-x2/x2-1
01/06/18
Linear Algebra And Matrix
Given
T( |1|) = |5|
|0| |9|
T( |0| = |5|
|1| |-7|
Find a matrix such that
T(v)= | | (v)
| |
01/05/18
Determinant question
If det= |a b c|
| d e f| = 4
|g h i|
then det= | a-9g 3b-27h c-9i |
| d 3e f | =?
| g 3h ...
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01/03/18
who introduced the complex number?
i want the invention of it.
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01/02/18
A sequence has a common ratio
A sequence has a common ratio of R=-2 so if G3=7 what is G5?
A. 3
B. -14
C. 28
D. -28
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01/02/18
If sin∅+cos∅=√2,then evaluate:tan∅+cot∅
If Sin∅+cos∅=√2,then evaluate:tan∅+cot∅
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3
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Find derivative of cosx at x=0
Using the formula, derivative of f at point a is denoted by f'(a), f'(a)=Lim(h→0) (f(a+h)-f(a)) /h
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12/31/17
Algebra 2 Optimization Problem - How much fencing do you need?
You are designing a rectangular garden. The garden will be enclosed by fencing on three sides and by a house on the fourth side. You want the garden to have an area of 288 square feet, but you want...
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Rewriting trigonometric identities
How do I rewrite (tanθ+secθ)/cosθ in terms of sinθ?
(fully simplified)
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12/29/17
Why 10/3 = 3.(33) and 3.(33) × 3 =9.(99) instead of 10 ? Can someone explain?
A little math dilemma
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12/22/17
What percent of the voters were in favor of building the shopping center?
Residents of a small city voted on whether to allow a developer to build a shopping center. The number of votes in favor of the shopping center was 4,400. The number of votes against the shopping...
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12/21/17
if a poly nomial ax^3+3x^2+5X+6 & (2a-1)x^2+a^2 +ax+1 give same remainder when divided by x+2 then find value of a
polynomail
12/20/17
What is a polynomial function of least degree with a leading coefficient of 1 that has the zeros 4 and 3 + √2?
need asap
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12/19/17
Verify sin2X=(2tanX)/(1+tan^2X)
I need to verify this for homework and im confused
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I'm having trouble with series.
Let f(x)= ∑∞n=0 (x^n)/(n!)
Find f(0)= 1
f(1)= e
f'(x)= f(x)
f''(x)= f(x)
Not exactly sure how we're supposed to go about finding those answers, or how to start.
12/14/17
Suppose that the area of a circle is numerically equal to the perimeter of a square and that the length of a radius of the circle is equal to the length of a si
answer is in units
12/13/17
Calculus help
For the following piecewise defined function, evaluate the specified one-sided limts:
f(x)=x2+2x, x≤1
x+3, x>1
Find lim
x→1-
lim
x→1+
...
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