10/30/19

prove the identity : tan θ * cos θ * csc θ = 1
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10/30/19

Continuous compound problem
How long will it take for an investment of $1000.00 to grow to $6000.00 at an interest rate of 3% if interest is compounded a) 3 times per yearb) Continuously
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10/30/19

Please help!!!!
Flying against the wind, an airplane travels 7680 kilometers in 8 hours. Flying with the wind, the same plane travels 5360 kilometers in 4 hours. What is the rate of the plane in still air and what... more
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10/29/19

A parabola has a focus of (4,2) and a directrix of x=-2. Which equation can represent the parabola?
A. (x+2)^2 = 6(y+1)B. (y-2)^2 = 24(x-1)C. (y-2)^2 = 12(x-1)D. (x+2)^2 =3(y+1)
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10/29/19

Trig Question, Please Help If You Know How To Do The Problem
I keep having to ask for help with this lesson, so if you have time time and are able to help me, step-by-step would be a huge help. Find x where pi ≤ x ≤ 2pi. 4 cos^2 x - 2 = sec^2 x - tan^2 x
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10/29/19

QR has a midpoint at M(6, 6) . Point R is at (10, 6) . Find the coordinates of point Q.
QR has a midpoint at M(6, 6) . Point R is at (10, 6) . Find the coordinates of point Q.Write the coordinates as decimals or integers
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10/26/19

Using the given information write the equation of parabolas:
a). the parabola has vertex at the origin and directrix x = −5.b). the parabola has focus (3, 0), and directrix y=3PLEASE HELP AND THANK YOU IF YOU DO!!
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10/24/19

Minimize and maximize profit

Minimize and maximize p=5x+5y subject to the following constraints:2x+y≤10x+2y≤8x,y≤0
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10/24/19

find original polynomial of 3 and -i
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10/24/19

Please Help! Quadratic Work!
Solve for x where 0 ≤ x ≤ 2pi.cot^2 x + 2 cot x +1 = 0.
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10/23/19

differentiation
5/x^2-49,find the domain
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10/23/19

The length of a rectangle is 12 centimeters less than 5 times its width. The perimeter of the rectangle is 156 cm. What are the dimensions of the rectangle?
Type your answer as width x length
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10/23/19

Trig Question! Thank you in advance!

Solve for x where pi ≤ x ≤ 2pi.sin^2 x - cos^2 x / cos^2 x = 0
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10/22/19

Two investments were made totaling $15,000. For a certain year these investments yielded $1432 in simple interest...continued in description
Two investments were made totaling $15,000. For a certain year these investments yielded $1432 in simple interest. Part of the $15,000 was invested at 9% and part at 10%. Find the amount invested... more
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10/22/19

Proofs help homework

Fill in the missing justification in the following algebraic proof Given: 4(x-8)=2x+12 Prove: x=22 Statement Reason 4(x-8)=2x +12 Given 4x-32=2x+12 2x-32=12 2x=44 X=22
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10/21/19

Math problem help
Hannah must spend no more than $40 at the bookstore she’s planning on buying a book for $16 and some magazines, m, for $4 each. which inequality represents Hannah’s situation
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10/19/19

Using the information given below write the equation of the hyperbola:
a). The hyperbola has vertices (–2, 9) and (–2, 3) and foci (–2, 13) and (–2, –1).b). The transverse axis of the hyperbola lies on the line y=–3 and has length 6; the conjugate axis lies on the... more
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10/18/19

On a float​ trip, Kim traveled 30 miles downstream in the same amount of time that it would take her to row 18 miles upstream. If her speed in still water is 8 ​mph, find the speed of the current.
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10/18/19

Congruence & Constructions.
A point is fully contained in Quadrant 2. The point is transformed as shown.·        a reflection over the y-axis  ·        a reflection over the line y = x  ·        a 90° counterclockwise... more
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10/18/19

Find the difference of two numbers is 3 . Their sum is 13. Find the two numbers

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10/18/19

Estimate the given value using linear approximation and without using any kind of computationalaid.
a) ln(1.1)b)√8.9c)sec(0.1)
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10/18/19

The sum of two nonnegative numbers is 30. Find both the numbers if the sum of twice the first plus the square of the second is a..... A. Maximum B. Minimum

I missed this lesson due a standardized test and am very confused in general on how to approach it, and the difference in solving when it is the maximum vs the minimum.
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10/17/19

geometric sequence

find the fifth term in the geometric sequence, given the first term and the common ratio: a1=2 and r=3
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10/17/19

In need of help with calc
A particle moves along a straight line with equation of motion s=t^6-5t^5. Find the value of t (other than 0) at which the acceleration is equal to zero.my... more
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10/17/19

Find the point of intersection of the pair of straight lines. y= −4x−5 −y= 5x+ 5
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