03/28/22

standard deviation
how to find standard deviation
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03/28/22

Two chords intercept in circle 𝑂, as shown. What is the value of 𝑥, in degrees?.

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03/28/22

Solve each of the following trigonometric equations with θ ∈ [0,2π]

a) 7 tan(θ) cos(θ) = 2 cos(θ)b) 12 csc2 θ - csc θ - 1 = 0
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03/28/22

Proving Trigonometry Question
How do I solve: sin(x+y) cos(x-y) = sin x/sec x + cos y/ csc yAnd also how do I solve: (csc x - cot x)2 = 1 - cos x/1 + cos x
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03/28/22

Whars the correct answer
ordered 3 times as many boxes of ballpoint pens as boxes of​ felt-tip pens. Ballpoint pens cost ​$4.34 per​ box, and​ felt-tip pens cost ​$3.43. If the​ man's order of pens totaled ​$65.80​, how... more
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03/28/22

Rewrite the expression 12(9 - 6n + 5) as a difference
My math test is asking me this, but I forgot it in the time between the quiz that featured this skill and the unit test. It's the last one I have left to do but I have no clue how to do it.
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03/28/22

Answer Checking
Consider a right triangle with a side of length x opposite angle A, a side of length y opposite angle B, and a hypotenuse of length z opposite the right angle. If sinB= 1/√3 and x=8, find the... more
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03/27/22

Geometry Help!!
Four points A, B, C, and D, lie on a circle with a circumference of 20 units. Point B is 7 units counterclockwise from point A. Point C is 4 units clockwise from point A. Point D is 10 units... more
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03/27/22

Related rates - help!
A man starts walking north at  4 ft/s from a point P. Five minutes later a woman starts walking south at 5ft/s from a point 500 ft due east of P. At what rate are the people moving apart 15... more
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03/27/22

Form a polynomial
Zeros:-1,1,8 degrees:3form a polynomial whose zeros and degree are given
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03/27/22

Math Word Problem
The gas tank in a boat holds a total of 35 gallons. The boat travels 100 miles on 5 gallons of gas. If the tank is full at the beginning of the trip, write an equation that represents the change in... more
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03/27/22

Math quantitative method

A store had 896 swimsuits that were marked to sell at 48.99 each suit was marked down 15.90 find the reduced price
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03/27/22

1. Use the definition of the derivative as a limit to find the derivative of the function f(x)=−2x^3+3x^2+2x−10.

Please explain in steps how to do this correctly and clearly.
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03/27/22

Twice the sum of 12 and a number
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03/27/22

The Martinez family and Hayes family...
The Martinez family and the Hayes family each used their sprinklers last summer. The Martinez family's sprinkler was used for 30 hours. The Hayes family's sprinkler was used for 15 hours. There was... more
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03/27/22

A family has two cars...
A family has two cars. The first car has a fuel efficiency of 35 miles per gallon of gas and the second has a fuel efficiency of 40 miles per gallon of gas. During one particular week, the two cars... more
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03/27/22

Help! I'm in 6th grade and I'm lost in this word problem...

Colin made 4 dozen cookies more than Hubert. If Colin made 120 cookies, how many did Hubert make in total?
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03/27/22

Precalcus 12 fiancé and investing

Determine which of the following investments will have a greater rate of return.A. A five year $40000 GIC that earns an annual rate of interest of 6.5% compounded annually.B. A five year $10000 CSB... more
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03/27/22

Calculus Question
Find the absolute maximum and absolute minimum values of f on the given interval. f(x) = x x2 − x + 25 ,  [0, 15] absolute minimum value       absolute maximum value      
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03/27/22

Calculus Question
Find the absolute minimum and absolute maximum values of f on the given interval.f(x) = (x2 − 1)3,    [−1, 4] absolute minimum       absolute maximum
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03/27/22

Calculus Question
Find the absolute maximum and absolute minimum values of f on the given interval.f(x) = 2x3 − 6x2 − 18x + 7,    [−2, 4]Absolute Minimum= _____Absolute Maximum= ____
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03/27/22

Calculus Question
Sketch the graph of f by hand and use your sketch to find the absolute and local maximum and minimum values of f. (If an answer does not exist, enter DNE.) f(x) =  49 − x2      if −7 ≤ x <... more
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03/27/22

Mathematics Question
Find the missing coordinate of P, using the fact that P lies on the unit circle in the given quadrant.a) P( ,-15/17) Quadrant IVb) P(2/5, ) Quadrant I
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03/27/22

What is the sum of 14 and their difference is 4
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03/27/22

Judy is now twice as old as adam, but 6 years ago, she was 5 times as old as he was . How old is Judy now?

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