08/19/20

#### Calculus in physics

Calculus is a powerful tool used in all areas of physics. One of the initial applications areas is classical physics, particularly Newtonian mechanics. An important function is the position...
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08/19/20

#### Which of the following sets of vectors are linearly independent?

A. [0 0], [-6 9]B. [7 -4], [6 -9], [-8 -2]C. [-6 8 7], [-4 6 -9], [10 -14 2]D. [9 6 2], [0 1 -8], [3 4 -7]E. [4 9 0], [-7 -5 0], [-3 2 0]F. [3 -1 -2], [-1 5 -8]

08/18/20

#### Confirm that f and g are inverses by showing that f(g(x))=x and g(f(x))=x.

f(x)=(x+4)/6g(x)=6x-4

08/18/20

#### sinθ=9/41 and cosϕ=−8/10, both angles terminate in Quadrant II find the exact value of cos(θ+ϕ)

sinθ=9/41 and cosϕ=−8/10, both angles terminate in Quadrant II find the exact value of cos(θ+ϕ)You do not need to simplify any radicals.

#### proof that p(1)+p(2)+...+p(n)=n^3 (please help)

P(x) function polynomial 2nd degree P(1)=1 P(2)=7 P(3)=19we have natural integer n ⁄ n≥1proof that P(1)+P(2)+...+P(n)=n3Help please

#### Help with Converse, Inverse, and Contrapositive statments

pls help, figuring out how to write these statements as Converse, Inverse, and Contrapositivehttps://ibb.co/jR5KcFT

#### Help! What is the greatest number of white squares you can place so that each covers part of the blue square without overlapping one another?

You have a large pile of squares that each have a side length of 1 inch. One square is blue, while all the other squares are white. You want to arrange several white squares so they cover part of...
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07/20/20

#### Find the probability of choosing an item from the intersection of following sets

Find the probability of choosing an item from the intersection of following sets Set A : {1, 5, 10, 14, 22} Set B : {5, 14, 20, 22, 27}

#### Coterminals and Reference Angles

List three angles that are co-terminal with 78º.

07/17/20

#### Math. Math. Math.

Customers at a supermarket have been increasing at a linear rate. In 2011 the number was 570,000. In 2012 was 730,000 if y represent the number of customers visiting the supermarket per year and x...
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07/14/20

#### A rancher has 2600 feet of fence to enclose a rectangular region that lies along a straight river.

A rancher has 2600 feet of fence to enclose a rectangular region that lies along a straight river. If no fence is used along the river (see the figure), find the dimensions needed to...
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#### Proving delta epsilon limits at infinity for unknown function

I have a question and it's limx>inf (f(x)= 2 and I have to prove that N exists and if x>N 1<f(x)<3I started trying to set up my proof with |f(x)-2|<E but I've never done a problem...
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#### Any composition and inversion expert out there?

I need help to finish the following exercise (I was able to finish 2 by myself but not the other ones. A step by step explanation would be highly appreciated!):1. What can be said about the domain...
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07/07/20

#### I don't understand

A bank loaned out $18,500, part of it at the rate of 9% annual interest, and the rest at 6% annual interest. The total interest earned for both loans was $1,335.00. How much was loaned at each...
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07/07/20

#### diverge or converge

please provide if it diverges or converges and please provide steps.∞∑ sin (6n2+5 /n5+5)n=1

07/04/20

#### Trigonometry Question

From the top of a 229-ft lighthouse, the angle of depression to a ship in the ocean is 24 degrees How far is the ship from the base of the lighthouse?
To measure the height of the cloud cover at...
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#### In the video, the water level was 15 milliliters before adding the chain, and 20 milliliters after adding the chain. When I weighed the chain, its mass was 72.5 grams.

I believe the chain is solid metal (not gold plated), but is probably a blend of gold and other metals. I looked up that gold has a density of 19.3 g/ml, while the other metals like silver and...
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07/02/20

#### Geometry check my answers please :)

Would this be correct??A pentagon’s radius (measure from center to vertex) measures 4 cm, what is the pentagon’s area? 360 / 5 = 72sa = 54 2.5 times tan ( 54 ) h = 3.4 1/2 b ( 7.3 ) = 15b = 4.13.4...
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