01/16/20

I need help with this question

If the equation 3(5)2x=k is solved for x in terms of k, the result is1) x=1/3log2(k/5)2)x=1/2log5(k-3)3)x=2log5(3/k)4)x=1/2log5(k/3)
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01/16/20

A store receives an average of 7 new movies per week. Write an equation to find the number of new movies in any number of weeks
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01/15/20

There is a ladder 34ft long leaned against a wall. The bottom of the ladder is 30 feet away from the bottom of the wall. How tall is the wall?
the second part is: If someone were to kick the ladder and it would move 4 more feet away from the wall how tall is the bottom of the wall to the top of the ladder? if someone were standing at the... more
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01/15/20

Verify each trigonometric identity
tan2x(csc2x)-tan2x=1
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01/15/20

F(x)= 2x^3 + 9x^2 + x-12
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01/15/20

Precalculus help please?
Thank you in advance!Use the functions to evaluate the indicated expressions and simplifyf(x)=3x^2-2x g(x)=x^2+1C. (f(x+h)-f(x))/h
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01/15/20

i need help fast
who is responsible for ethics in a company?
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01/15/20

Write as a sum or difference of logs while using exponents or radicals. Log base6 of 22√x/a
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01/15/20

A snowball is melting so that the radius is changing at the rate of 2 inches per hour. How fast is the surface area of the snowball changing at the instant the snowball has a radius of 3 inches?
Question options: 1) -16π in2/hour 2)  -24π in2/hour 3)  -32π in2/hour 4)  -48π in2/hour
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01/15/20

Which of the following functions is continuous at x = 5?
Question options: 1) 2)  3)  4)  All are continuous at x = 5
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01/15/20

Three percent of Jennie’s skin cells were burned when she escaped from a fire. If 3.7 × 10^10 (10 to the 10th power) of her skin cells were burned then, how many skin cells were not burned?
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01/15/20

What is the limit as x tends to -1 of (X^1/3 + 1)/(1 - x^2/5)
I've just started studying limits using an old textbook. This problem is in the section that introduces limits and before any differentiation rules like L'Hopital's rule so I would like to know how... more
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01/14/20

Solving percent mixture problems using a linear equation

In the lab, Melissa has two solutions that contain alcohol and is mixing them with each other. Solution A is 40% alcohol and solution B is 12% alcohol. She uses 800 milliliters of solution A. How... more
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01/14/20

Need definition of domain and co domain

Give a recursive definition of the max function whose input is a sequence of integers and whose output is the maximum value in the sequence. Include a description of the domain and codomain of the... more
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01/14/20

Linear Equations

Can someone please help me solve this problem! "Sally has a part time job mowing lawns so she can save money for a new car. She charges $5 per hour. Write an equation to model this situation."... more
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01/14/20

trigonometry inequation
solve for x: cos(2x)+2*sinx*cosx>0
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01/14/20

Write an equation in slope-intercept form of the line that passes trough (-2,5) and (-4,-5)

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01/14/20

Integration, please help!
Evaluate  Options: -ln|1 - x3| + C sin-1(x3) + C
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01/14/20

Help with Math word problem
A roll of flexible tubing is 136 feet long. John Hiffman cut lengths 7 2/3 , 16 1/5, and 21 ½ from one the roll. How much of the tubing is left? Express your answer as a mixed number if... more
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01/14/20

Fractions fractions

Joe spends 2/5 of his money on a jacket and 3/8 on a shirt and he spends the rest on a pant. What fraction of his money did he use to buy the pants
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01/13/20

Find Equivalent fractions

Equivalent fractions to 2 3/4
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01/13/20

Find polynomial function with real coefficients that has the given zeros
4, -5i 4, 7 + i
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01/13/20

Find all zeros of the functions
What are all the zeros of these two functions?x(x-3)2(x-3)(x+9)3
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01/13/20

Minima or Maxima
Approximate (to two decimal places) any relative minima or maxima f(x) = 3x2 - 2x - 5 f(x) = x3 - 3x2 - x + 1 f(x) = x(x-2)(x+3)
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01/13/20

functions domain and range
For each function below, state domain and range, name the intervals where function is increasing or decreasing, and describe end behavior.f(x) = 1/2 x2y = x2 + 3y = -3x2
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