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Can someone please explain this math problem

12,400 • 9 1/2% • 8/12 = 785.33? I thought you had to turn them into decimals, so I got 12,400 • .095 • .067 = 78.93. Did I do it wrong?? Thank you so much, this is driving me crazy!!-12400 X 9.5/100

Numbers 1-30 divisible by 5

5 10 15 20 25 30 are all divisible by 5. Is that what youre asking?-If it s not zero and ends in 5 or 0, its divisible by 5. 5 10 15 20 25 30 Didnt you know that? You should talk to your teacher, b

What does ''divisible by 2'' mean

My question asked What numbers are divisible by 2-It means a number that you could divided by 2 and doesnt have a decimal. Helps me remember it because the the letters of the words DIVIsible and DIVId

Could someone help me with this limit question

I have to find in terms of the constant a. Please try and explain for me, it seems easy but I keep putting the wrong answer. lim h-> 0 (6/a+h)-(6/a) / h-lim h->0[(6a-6a-6h)/((a+h)a)] / h lim h->0 [

What is the geometrical significance of 'k' in the family of cubics of the form y=x^3+k

DETAILED ANSWERS PLEASE! thanks-Its the y-intercept. When x = 0, y = k. Increasing the k will make the graph intersect the y-axis higher, and decreasing it will make the graph intersect the y-axis low

How do I work out the overall of 4 sets of numbers

Example: 80, 76, 91, 68. How would you go around working out the overall score when using these numbers?-You mean the mean? (80+76+91+68)/4 315/4 78.75 315 is total, 78.75 is mean.-I have no idea

If B and C are the real roots of x^2 +Bx + C = 0, where B and C are not zeros

If B and C are the real roots of x^2 + Bx + C = 0, where B and C are not zeros, find the values of B and C.-Write a polynomial with the given roots and solve by comparing coefficients: x² + Bx + C = (

Can you Please help me complete these 5 problems

In a bag there are 2 red, 3 yellow, 4 green, and 6 blue marbles. What is the probability of P (blue)?Choose the best answer from the options below: A2 / 5 B3 / 5 C2 / 15 D3 / 14 In a bag there are 2 r

Cos inverse of cos 350 - sin inverse of sin 350. Could someone help me with this

cos inverse of cos 350 = 350 sin inverse of sin 350 = 350 350 - 350 = 0 But, my text says otherwise: cos inverse of cos 350 = cos inverse of cos 10 = 10 sin inverse of sin 350 = sin inverse of sin (

How do I write the words in the clock time

I will say twelve oclock at 12:00 and but what is about 12:01, 1:01, 2:02, etc?-For 12:01 you can say one minute after twelve oclock. The rest should follow logically. You could also do it in military

Express the following rational number in the form of a fraction

0.18181818..... Please help me with clear working out as well-x = 0.18181818... 100x = 18.1818181... 99x = 18.1818181... - 0.1818181....= 18 x = 18/99 = 2/11-In order to make this into a fraction you

Calculus question. Logarithms and such

How would you solve equations like these: 5^(2x)+5^x-12=0 I know you have to use logarithms but how? It says to find the solution in terms of natural logarithms. Please and thank you.-5^(2x) + 5^x

Please help: sets and permutations using variables

If n(S) = k, how many subsets will S have?-The number of subsets of S will be SUM i=0 to k of kCi where kCi represents k choose i. Equivalently, we can use a combinatorial argument to get a nicer repr

Question in trigonometry, need help please!

What is the linear velocity (in miles per hour) of a tip of a lawnmower blade spinning at 2800 rev/min for a lawnmower that cuts a 20 in wide path? I know the answer is 166.6 mph, but could you please

If A and B are 8 × 5 matrices, and C is a 4 × 8 matrix, which of the following are defined

http://imageshack.us/photo/my-images/88/defined.png/-BCEF
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