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Need help on this math problem plz

The time t in seconds it takes an object to fall d feet is given by the following equation. (a) A tower is 1,490 feet tall. How long would it take a penny to fall to the ground from the top of the be

Determine the exact value: cot(5pi/6)

cot(5Π/6) = cot(Π - Π/6) = - cot(Π/6) = -√3-cot((5π)/(6)) Take the cotangent of (5π)/(6) to get -(3)/(√(3)). -(3)/(√(3)) To rationalize the denominator of a fraction, rewrite the fraction so that

Please help explain how to work my math problem (finding the formula!) >o< *urgent?! *

Im suppose to find the forumla for the arithmetic sequence. a(1)=5 a(4)=15 the numbers in (x) are under the as so its like a exponnet but under if you can know what im saying? :s the answer was a(

HELP TO CONFUSED!!!!!!!!!!!

a) Suppose that you know the radius of a circle and the length of a chord of a circle that is not a diameter. Can you find the distance from the center of the circle to the chord? Explain b) Suppose t

Math help! *arithmetic sequenece* how do you write the first five term? :3

a(8)=26 a(12)=42 answer was: -2,2,6,10,14.... how did that work out? *the numbers in (x) are under the as like a exponent/power to thing but underneath if that made sense?? :S like a mini number yea

Introduction to writing proof (predicate)

Symbolize the following sentence, using the indicated letters. If Beth cant pass the final, no one can. (b = Beth; f = the final; Pxy = x can pass y; Px = x is a person)-~Pbf --> for all x (Px --> ~

Desperate help with my math ? ( Help a brother out :*( )

well you see i am not going to lie, theres this big take home test and i COMPLETELY forgot with all my health issues going around, ( recently found out i was a diabetic ) and well this would just make

Multiply √(7)*√(3) (Am I right?)

Multiply √(7)*√(3) I got 2√14 is that right? Should I put the decimal form instead?-No, its the square root of 21. You cant simplify that. You just multiply the numbers in the square root signs. Since

Expected value math problem

Theres a .25 chance there will be a small flood and a .01 chance there will be a big flood. Theres a piece of construction equipment in the town and the owner is trying to decide how to protect it. A

Brain Teaser Math Problem!!!

Thanks in advance! xx There are 10 positive integers less than 1000 that cannot be written as the sum of consecutive natural numbers. EXAMPLES: 11 = 5 + 6 13 = 6 + 7 15 = 1 + 2 + 3 + 4 + 5 Two of

Please help with this math question

If I bought an equal amount of candy and gum and the the candy was five more cents than the gum and I spent one dollar in all what was the price of the gum?-52 1/2 47 1/2-52.5 cents

A difficult question on sets.

This question appeared here last week (and wastitled :Set theory help) but was deleted before I managed to verify the details. The question was also not written very clearly. AsI I recall the question

Math help! Pre-Algebra hw

Bonus: Ronald usually makes three free throws out of every five attempted. To stimulate the probability of Ronald making two free throws in a row, Cathy puts 25 marbles in a bag, red for a basket and

Evaluate a definite integral that gives the filled volume in terms of the height, h, on the stick.

Most of these tanks are cylinders, with their axes horizontal. You are to stick the tank by inserting a measuring rod through a hole in the center of the top until it touches the bottom, then pulling

What is Three times the sum of twice a number and twelve is four times the sum of the number and negative nine

Write Three times the sum of twice a number and twelve is four times the sum of the number and negative nine.-3(2n+12)=4(n-9) 6n+36=4n-36 2n=-72n = -36-Let x be the number.Then we can write 3(2x + 1
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