Mathematics

Algebra 2 help, permutation combination

How many 7 digit phone numbers are available if all digits (0 through 9) can be repeated BUT no phone number can start with 0? i think its a combinationi cant remember-Its actually easier than that:

If (-1,1) is a point on the graph of f(x) , which ordered pair must also be on the graph of y=f(x+4)-3

If (-1,1) is a point on the graph of f(x) , which ordered pair must also be on the graph of y=f(x+4)-3 ? a) (3, -2) b) (-5, -2) c) (-3, -4) This is review and I have no idea how to do it, please sho

Probability help algebra 2

somson estimatesthat his probability of earning an A in algebra is 0.94 and he has a .82 probability for earning an A in chemistry a) what is the probability he doesnt get an A in chemistry b what is

What rule do I apply to this logarithm

Log2 (x)xLog2 (x) . What do I get in terms of logs?-Is the middle x a multiply sign? If so, then there is no simple rule for multiplying logs. All you can do is express it as (Log2 (x))^2

10 POINTS! Please explain to me how they got the answer? (there's an answer included)

http://www.flickr.com/photos/35618868@N0… the correct answer is B. but I got A.-ok so the initial question is V/r^2*h = 1/3 what does h equal to yield 1/3 multiply both sides by h V/r^2 = h/3 mu

If I have a 4.0 gpa and I get an F, what will my gpa be

I have a 4.0 gpa from 4 classes. If I fail the class Im in now, what will my gpa be?-If your four classes are all 3 units each then getting an F in a fifth class will drop you to 3.2

Algebra question help please

Can someone help me do this. 1/x - x ---------- 1-x this is -------- a fraction. i wasnt sure how to write-(1/x - x) DIVIDED BY (1-x)/1 get common denominators (1/x - x(x)/x) DIVIDED BY (1-x)/1

Five Basic Algebra Questions

1.5^–1 (3^–2) 1/45 -5/6 30 1/14 2.a^2b^0(a^–3) –a 1/a^6 1/a –6a 3.(2x^5)(3x^12) 6x^60 5x^60 5x^17 6x^17 7.(4x^2 + x + 3) + (5x^2 + 9x – 2) 20x^4 + 9x^2 – 6 20x^2 + 9x + 1 9x^2 + 10x +1 9x^2 + 3

Quick Chem question!

Draw the structural formulas for the following alkenes. If a compound has geometric isomers, draw both the cis and trans forms. a. 1-pentene b. 2-hexene c. 2-methyl-2-hexene Points for best answer! P

Math problems best answer and all stars

Ive been studing for a math test and need help with these. 1st.... a biologist records the number of microbes growing in a culture at the times listed in the table. If the microbes continue to multi

Mathematics Venn diagram question help! - answers + working out = kudos!

In a survey of 36 people they were asked if they liked raspberries, strawberries and plums. 24 said they liked raspberries and 26 said that they liked raspberries or strawberries. 4 liked only plums

Us grouping method to xpress polynomial below as a product of its factors: 10 PoInTs!!!

x(10x-7)+11(10x-7)-The Distributive Law says (a)(c) + (b)(c) = (a + b)(c) so the factorization is (x + 11)(10x - 7)

The point X (-3, 6) is a reflection of the point X’ (3, -6). What are they reflected through

plz help-The origin-it is reflected over the X and y axis-Graph the points and solve.

Help me finish finding this limit.

lim (1-2x)^(1/x)(reads (1-2x) to the 1 over x x->0 1. set y = (1-2x)^(1/x) 2. take ln of both sides :lny = ln(1-2x)^(1/x) simplify lny = (1/x)(ln 1-2x)lny = (ln(1-2x)) / x 3. seeing if i do limits it

Radical/root problems -- multiple choice questions

Im utterly lost. Please help. How do I do this? Assuming x and y are positive real numbers, simplify the following expression completely: √20x^8y^13 a) 2x^4y^6√5y b) x^4√20y^13 c) x^4y^6√20y d) 2x^4y