Mathematics

The floor of a bathroom is 8 ft by 6ft has to be fitted with sq marble tiles of largest possible size . Find t

the floor of a bathroom is 8 ft by 6ft has to be fitted with sq marble tiles of largest possible size . Find the size of the tile required in inches and number of tiles . ( also show the conversion of

Geometric Progression

Help me, can u tech me how to solve this question In a geometric sequence, the 8th term exceeds the 6th term by 4. Find the first term if the common ratio is 2, the answer is 3.-Aiman, Have you reall

Quadratics Help Please

(x+8)^2 = x+20 What do you do first to solve?-Okay so first you expand the numbers on the left side of the equal sign. (x + 8)^2 = x + 20 (x + 8)(x + 8) = x + 20 x^2 + 16x + 64 = x + 20 Now collect

Given that sin2x = 2sinxcosx, deduce that cos2x = cos^2x - sin^2x

None of the other answerers appear to have actually answered the question posed. My answer below repeatedly uses the well-known trig identity sin^2 x + cos^2 x = 1 Start with sin 2x = 2sin x cos x S

Help me find what's wrong and fix it? [Algebra 1]

Hi! I have to figure out what they did incorrectly in the textbook and then explain what they did wrong. I just got confused, so I need some help. (-5z)(-8)(z) = (-8)(-5z)(z)=(-8)(-5)(z)(z)=40(z ⋄ z)

Changing decimal to a fraction question

I need help on 2 problems. First, 0.5 (there is a bar on top of the five) Second, 0.43 (there is a bar on top of the 43) Change those 2 decimals into a fraction.-0.5 is half of 1 so you could put 1

Math..linear equation..PLEASE HELP :(

I am getting so frustrated and need help. I have tried several different sources and cant seem to understand this: Solve the system using the elimination method: 2x-y=13 6x+4y=4 in the book it state

How do you factor completely this polynomial

I have been able to factorize almost every other problem except this two. 2x^2-20x+50=on this one I try to do (2x-10)(x-5) but I dont think Im doing it right. or 24m^2 -50m+24=-2x^2-20x+50 =2(x^2-10

Another logarithm to sink your teeth into..

2 x (0.1)^x+1 = 25 Solve for x..-2 x (0.1)^x+1 = 25 log(0.1^(x+1)) = log(12.5) x = -2.097

Help with Algebra word problem

Ive been stuck on this for about an hour now and really need some help! If you dont feel like solving it, all I really need is the two equations from it and I can take it from there. Thank you SO much

What is the cofunction equivalent of sin pie/6

i cant put the pie symbol so i just wrote it...but i have no idea how to solve this we have yet to learn co functions and my assignment is due in 2 hours and ive been stuck on it for so long :(...if y

Stats/std dev problem help please

I am finding this question impossible, can someone help me please? Thanks The University of New South Wales Library checks out an average of 2534 books per day, with a standard deviation of 378 book

Limit of an absolute function

the question is: Limit as X aproaches 4, absolute value (16-t^2)/(4-t) Im not entirely sure how to go about starting this, thanks-and IF you meant| 16 - t² | / [ 4 - t ] , then the limit does not exis

Square root question

What is the square root of : - √ 121 Also I have some phrase to a variable expression questions: 1) the quotient when the sum of a number A and B is divided by their product. 2) If 2n-1 represents

Math problem helppppppppppppp

solve for x 1= (1/(x^2+2x) + (x-1)/x)-The right-hand side: 1 / (x² + 2x) + (x - 1) / x = 1/[x(x + 2)] + (x - 1) / x = [1 + (x + 2).( x - 1)] / [x(x + 2)], and that equals 1, on the LHS. So, 1 + (x +