Mathematics

Write the ratio as a fraction in lowest terms. Be sure to make all necessary conversions. 6 ft to 40 inches

Help please and explain your answer-6ft=6x12=72 inches ratio of 72 inches to 40 inches is 70/42=10/6 (cancelling common factor 7 between 70 and 42) =5/3 canceling common factor 2 between 10 and 6 Th

I need help in calculating how to find out my grade for a class? 10pts

I have 4 grades that are apart of my final grade and each is worth 25% of my grade. I have an 81%, 100%, 92%, and a 88%. What would my final grade be with all of this presented? No trolls, thanks!

9th Grade Trinomial Math Probelm.

Hey guys, so I was doing an assignment on Trinomial and found this question: Factor: 6x^ + 3x - 2 Ive been stuck on this question for a while so I was hoping you guys can help out! This is 9th grad

Algebra 1 homework help please

I am so horrible at math and right now I am being homeschooled so no one can really help me with my math. So if you could help out a bit that would be amazing. So the problem is: Find three consecutiv

Solving Eqations with Variables on each side? Please Help

So I really dont get how to do this. Can someone please explain it to me slowly? Ive looked all over the internet but nothing is making sense to me. 4x - 9 = 6x - 13 t + 10 = 7t - 14 Thanks in Adva

Function word problem

If tickets are sold for $45 each, then 600 tickets are expected to be sold. For each $1 reduction in price, an additional 22 tickets will be sold. the function i figured was f(x)= (45-x)(600+22x) I

Permutations with restrictions

Twenty students are available for 7 scholarships. How many ways can the scholarships be warded if; a) a student can only be granted one scholarship? b) a student can be granted more than one?-a. 20 ch

Do these recurrence relations have names? Are the term-generating formulas known

So I know the Fibonacci sequence is defined recursively by: F(n) = F(n-1) + F(n-2). I also know that it has a closed-form definition, Binets formula. But what about sequences such as: F(n) = F(n-1) +

Standard Deviation and variance math problem

The length (pgs) of math research projects is given below. Using this information, calculate the variance, and standard deviation. 31 17 20 17 27 23 13 46 34 39 19-Mean = (31+17+20+17+27+23+13+46+34+

What is the derivation of quadratic equation formula

Quadratic equations-It is found by completing the square on the standard quadratic equation, Ax^2 +Bx +C=0. Remember to take C to the other side, and divide by A so you just have x^2 and then complete

Polynomial division question.

When the polynomial f(x) is divided by a quadratic polynomial the remainder will be a polynomial of degree less than 2. Show that, when f(x) is divided by (x-a)(x-b) . a does not equal b, the remainde

Find the median for the data given. Number of steaks serve 6,9,18,28,32,43,50

How did you find the answer.? Thanks-28 If you have an odd number of numbers, its the number that has as many numbers less than it as more than it.If there are more than one number in the middle it g

Anyone good at maths

How do I work this out? Q: Write down the gradient of a line that is perpendicular to the line y=4x. Is it something to do with reciprocals? ahhh I really cant remember how to do it! thanks.-A lin

Show that if x and y are not both 0 in z/nz then A(x;y) is not (0;0). Where (x;y) and (0;0) are 1x2 matrices.

We are told A is the 2x2 matrix (a,b;c,d) in z/nz where D=ad-bc and gcd(D,N)=1. Im thinking it could be something to do with invertibility of the matrix but im not too sure, Thanks for any help-The us

How many 16 ounce water bottles are equivalent to a quart

thanks!-8 ounces is a cup. There are two cups in a pint, and two pints in a quart, so 8 x 2 x 2 is 32 ounces. So the answer is two 16-ounce water bottles.-Two, in our antiquated measuring system.-1 US