11/21/20

The limit as x approaches 0 closer o 5 to the x power - 1 over x equals?
2) lim 5X -1 / x = x->0 A) 0b) ln 5C) 5 ln 5D) 1Side note- the limit as x approaches 0 closer o 5 to the x power - 1 over x equals?
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11/21/20

physics question
A sledder has reached the bottom of a hill and is coasting to the right while slowing down along the loosely-packed snow. Ignore air resistance.The frictional force is -45 N.The sledder slows down... more
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11/21/20

f(x)= 2 x^{2} +13 x +20
rewrite by completing the square.
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11/21/20

Find the direction angle of each vector. v= -7i-4j
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11/21/20

Evaluate the Riemann sum

If f(x) = 4x2 − 5x, 0 ≤ x ≤ 3, evaluate the Riemann sum with n = 6, taking the sample points to be right endpoints.
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11/21/20

How much work is done by this pushing force? Physics

An person is pushing hefty a carton of mass 33.3 kg at a point of 28 degrees from he flat at a steady speed. The plentifulness of pushing power approaches 222 N. The understudy moves this carton a... more
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11/21/20

Statistics please help

A particular professor has noticed that the number of people, P, who complain about his attitude is dependent on the number of cups of coffee, n, he drinks. From eight days of tracking he compiled... more
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11/21/20

Stuck on this math question
In triangle ABC, the measure of the largest angle is 32 less than 3 times the smallest angle. The measure of the middle angle is 8 more than half the measure of the largest angle. What is the... more
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11/20/20

Draw a square with sides of 2 units and lower left vertex at point A (3,2).

Draw a square with sides of 2 units and lower left vertex at point A (3,2). What will the coordinates of the upper right vertex be? Rotate the figure 90 degrees counterclockwise about point A and... more
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11/20/20

Graphical Understanding of Derivatives: #5
Determine the intervals on which the given function is concave up or down and find the points of inflection. LetInflection Point(s) =The left-most interval is  , and on this... more
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11/20/20

Simplify the trigonometric expression: (sin x + cos x)^2
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11/18/20

Solving a word problem using a system of linear equations of the form Ax + By = C
A store is having a sale on walnuts and chocolate chips. For 2 pounds of walnuts and 3 pounds of chocolate chips, the total cost is $16. For 6 pounds of walnuts and 5 pounds of chocolate chips, the... more
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11/18/20

From a circular piece of metal sheet with diameter 10 cm, a rectangular piece with perimeter 28 cm is to be cut. Find the dimensions of the rectangular sheet.
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11/18/20

Can someone please explain how to do this on a TI-83 Calculator?
A high school baseball player has a 0.262 batting average. In one game, he gets 6 at bats. What is the probability he will get at least 3 hits in the game?
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11/18/20

The question is below, thanks.
Draw the graph of a function that satisfies  f(x) ≥ 0 on (−2, 3) and f(x) < 0 on (−∞, −2),  f '(x) > 0 on (−∞, 0) ∪ (2, 3) and f' (x) < 0 on (3, ∞),  f(x) has inflections points at x = −2... more
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11/17/20

Solving a tax rate or interest rate problem using a system of linear equations
Last year, Felipe had $10,000 to invest. He invested some of it in an account that paid 8%simple interest per year, and he invested the rest in an account that paid 7% simple interest per year.... more
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11/17/20

Find the 100th derivative of f(x)=x(e^−x)
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11/17/20

linearization calculus
Find the linearization of the given function at the given point, then use it to approximate the given value. (a) f(x) = 3^√ x at x = 343 to approximate 3^√350 (b) f(x) =... more
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11/16/20

Given that T varies inversely as the square of x and T = 16 when x = 2 find T when x = 8.
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11/16/20

sin2x = (4tanxcos^2x - 2tanx)/1-tan^2x
Prove the trigonometry problem above, it is proving the identity of sin 2x. I know sin2x=2sinxcosx and 1-tan^2x=cos2x/cos^2x.
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11/16/20

L'Hopital Rule to evaluate this trig function
I am supposed to use L'Hopital's rule to evaluate this question but do not know how.lim 3x(cos(8x)-1) / sin(6x)-6xx→0
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11/16/20

What is the period of the function? Give an exact value.
Below is the graph of a trigonometric function. It intersects its midline at (−3.5,−0.8)left parenthesis, minus, 3, point, 5, comma, minus, 0, point, 8, right parenthesis and it has a maximum point... more
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11/16/20

What interest is needed for an investment to triple in four years if it is compounded (a) semiannually and (b) continuously?
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11/16/20

This Is A World Problem
One angle in an isosceles triangle is six times as large as the two congrurnt angles in the triangle. What is the measure of each angle in the triangle?
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11/16/20

Simplify 2cosx + √2 =0
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