I am totally lost on this...
Suppose there is a population of test scores on a large, standardized exam for which the mean and standard deviation are unknown. Two different random samples of 50 data
(a) The number, 450, falls between what two perfect cubes? (b) What are the cube roots of these two perfect cubes? (c) Between what two decimal numbers, expressed in tenths, does the cube root of 450
1)
-1, 5, -7, 17, -31, 65, ...
the relationship between the terms: +6 (-1+6=5), -12 (5-12=-7), +24, -48, +96
I came up with 6(-2)^(n-1) (-1)^(n-1) for that part, but do not know how to incorporate it
Make an equation that graphs a square and all points inside with corners at (-4,4), (4,-4), (-4,-4) and (4,4). You cannot use inequalities or set notation. Just an equation.
For those who doubt the so
Use the method of cylindrical shells to find the volume generated by rotating the region bounded by the given curves about the specified axis:
y= x^2 , y = 2 - x^2 ; rotated about x = 1
Any and all
Ive long since forgotten my mathematics from school. Does anyone have a formula for each? 3 fomulas? With working please if poss? Thanks!
Again. If a=bcd+b then what does b=, c= and d=?-Question 1.
i need to simplify using the law of exponents then evaluate:
a) (3 x^4)^9 / (3^5 x^6)^3
b) (6^3 a^5 / 5^5 b^9)^7 x (5^11 b^2 / 6^6 a^3)^3
i need to make sure my answers are right before i hand the
Let T: R^2 --> R^2 be the linear operator given by the formula T(x,y) = (2x-y, -8x+4y)
Which of the following vectors are in R(T)?
a) (1, -4)
b) (5,0)
c) (-3, 12)-I will assume R(T) means the range
The wikipedia article on nth root states the following.
Every complex number has n different nth roots in the complex plane.
can this also be said of real numbers. I know that using de Moivres theore
Do you FOIL this or something? I thought the answer was like 37 or something... The radical problems are very confusing to me :(
Please help!-Multiply every number in first () with every in other ()
EXTRA :FACTORING BY GROUPING
2/3bc-14/3b +c -7
n^ + 2n +3mn +6m
2ax^+bx^-2ay^-by^
yz^-y cubed +z cubed -y^z
y cubed -y^-4y+4
x^a +x^b-16a-16b
Id really appreciate it if you showed the work so
How do I find the derivative of this function:
2x/[(x^2+1)^1/2]?
Im having such I hard time finding this derivative:s Ive spent over an hour trying to get the textbook answer of f(x)=2/(x^2+1)^3/2.
Math professor gave me this problem.
3x²-19y²
Attempted to solve it, thinking it was Prime.
(√3x)² - (√19y)²
(√3x - √19y)(√3x + √19y)
My check doesnt work out though. (Using FOIL)
(√3x - √19y)(√3x +
125 90 70 236 260 195 75 157 145 96-If no numbers are the same you simply say that there is no mode...
I hope I helped
Bye :)-then i guess you would say there is no mode.-None
a company sells recordable CDS for 80 cents each and play-only CDS for 60 cents. the company recieves $76 for an order of 100 CDS : however, the customer neglected to specify how many of each type to
