10/15/19

Trigonometry - SOHCAHTOA - Pythagoras
A yacht is moored to the side of a quay by a rope 3 metres long. The rope is tied to the yacht at R and the quay at T.At low tide, when the yacht is as far away from the quay as possible, the rope... more
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10/15/19

Find the height of the flagpole or BA
A person is trying to find the height of a flagpole or AB. This person is 1.5 m tall and is standing at DC. A mirror is placed at point M. This mirror is 6 m away from the person and 120m away from... more
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10/14/19

(-2,6), (r,-4); m=-5 What is the value of r?
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10/14/19

Use the information from the given trigonometric functions to find the other trigonometric functions
sin 𝜃 = 0.532,tan 𝜃 = 0.628
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10/14/19

Algebra Please Help!!!
Rita is making a small sign in the shape of a triangle. She wants the base length of the triangle to be 4 inches. The area of the sign must be at least 16 square inches. Write an inequality that... more
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10/13/19

__ are basic true statements accepted without proof. Each statements below is incorrect. Rewrite each statement so that it is true. 9. if two planes intersect, then they intersect in exactly one plane
the first things is a blank. i need to know how to make 9. true
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10/13/19

Cost of manufacturing skis
C(s)=.01s3-s2+90sa) find the cost of manufacturing 80 pairs of skis I. A month.b) find the average cost per pair of manufacturing 80 pairs of skis in a month.
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10/13/19

Triangular Numbers
T(n)=the sum of the numbers of ai as i runs from 1 to n.a) write the sum in longhand form without using summation notation.b) perform the addition to calculate T(n) for n=1,2,3,4,5.c) find the... more
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10/13/19

what are the applications of even and odd function in real life? give intresting examples of each
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10/12/19

Write an equation in y=mx+b form
Write an equation (y=Mx+b form) of the line passing through the point (-10,3) that is PARALLEL to the line 5x+2y=12.write an equation of the line passing through the point (5,1) that is... more
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10/12/19

The parabola has focus (0, –2) and directrix y=2
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10/11/19

nth-degree polynomial function

Find an​ nth-degree polynomial function with real coefficients satisfying the given conditions. If you are using a graphing​ utility, use it to graph the function and verify the real zeros and the... more
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10/11/19

Angle A is a complement of Angle B, and Angle B=3x+6 degrees. Find Angle A
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10/11/19

The half life of Carbon-14 is 5,730 years (i.e., it decays so that only half remains after 5,730 years). How long until 16 grams of Carbon-14 decays into 4 grams?
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10/11/19

What is the derivative of f(x) = 5xe^3x at the point (0, 0)?
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10/10/19

Write an equation of a parabola with x intercept at (1/4,0) and (-7,0) which passes through the point (0,7)
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10/10/19

inverse Variation

The pitch of a musical note varies inversely as its wavelength. If a tone has a pitch of 440 vibrations per second and a wavelength of 2.4 feet, find the pitch of a tone that has a wavelength of... more
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10/10/19

Write a quadratic function in standard form for the parabola that passes trough the points (-2,23)(0,9) and (6,-57) using quadratic regression

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10/10/19

The sum of four consecutive integers is –18 . What is the greatest of these integers?
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10/10/19

GIVEN AB II DC, AB=DC?
Given: AB II DC, AB = DCE is the midpoint of BD. and AC'PROVE AEB=CEDGive statements and reasons:
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10/10/19

Bd is perpendicular to ac and bisects angle abc. Which triangle congruence theorem would be used that show that triangle adb is congruent to triangle cdb
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10/09/19

Does the following series converge or diverge? Justify.
\sum _{n=2}^{\infty }\:\frac{1}{\sqrt{n^3-2n^2+5n-7}}
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10/09/19

Find the equation of the curve?
A curve passes through the point (0,8) and has the property that the slope of the curve at every point P is twice the y-coordinate of P. what is the equation of the curve? (Use x as the independent... more
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10/09/19

What is the integral of: 1/(x * sqrt(x^2 + 4))
Hi, Im having a lot of trouble with this calculus problem. I used x= 2 tan theta for my substitution, rather than any u substitution because my professor does not do it that way. However after I... more
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10/09/19

Jamall is 10 years older than his cousin Trina. The sum of their ages is four years less than three times Trina’s age. What are Trina and Jamall’s ages
write and equation and let x = Trina’s age
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