02/22/18

Find the angle (θ) between the vectors. Round your answer to the nearest tenth.
u = 2i - 3jv = i - 2jθ = __ ?______ Degrees
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02/21/18

The integral of sec(x)+tan(x) dx
 Find the indefinite integral of sec(x)+tan(x) dx
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02/21/18

In 45years, Gabriela will be 4 times as old as she is right now.
how old is he now?  
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02/21/18

what is the 11th derivative of the function f(x)=x^2*ln(1+x) at x=0? (hint given- use Maclaurin expansion to solve this).
I can't find a definite answer for this question anywhere online, so I would love to see an actual numerical answer and an explanation for this. Thanks in advance. 
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02/20/18

Use the method of completing the square to sketch (a) 𝑦 = 𝑥2 + 10𝑥 + 4 (b) 𝑦 = 6 + 𝑥 − 𝑥2.
Use the method of completing the square to sketch (a) 𝑦 = 𝑥2 + 10𝑥 + 4 (b) 𝑦 = 6 + 𝑥 − 𝑥2.
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02/19/18

Geometry help, please!
Solve the following equations given that 0° ≤ θ < 360°:   2 cos 3θ = 1    
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02/19/18

If T: R^2 to R^3 is a linear transformation satisfying T(1,1)=(8,3,1) and T(1,-1) = (4,1,5)
what is the first, second and third component of T(3,1)?
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02/19/18

Find dy/dx where xe^y = 6y^3 - 8xy^2
I just dont know how to do it
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02/18/18

Find the domain of the function. h(x) = x-2/x^3 - 49x
h(x)=x-2 over x to the 3rd-49x. Find the domain. 
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02/18/18

Find and simplify the difference quotient f(x+h)-f(x)/h, h cannot equal 0 for the given function. f(x) = 2x^2
Find and simplify the difference quotients. 
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02/17/18

Do 10.7, 3.2, and 5.5 create side lengths of a triangle
 Do 10.7, 3.2, and 5.5 create side lengths of a triangle?  how do i know how to create actual side lengths?
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02/17/18

Using the substitution x = 3 csc θ, identify which of the following expresses √(4x2 - 36) as a trigonometric function of θ:
Using the substitution x = 3 csc θ, identify which of the following expresses √(4x2 - 36) as a trigonometric function of θ: the answer choices are a.3 cot θb. 6 csc θc. 6 cot θd. none of thesee. 3... more
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02/17/18

Find k if x^3+6x^2+kx+12 is divisible by (x+4)
Please find k!!
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02/17/18

How many explicit functions y= f(x) does the implicit relation x^2 + y^2 = 5 determine?
A) 0 B) 1 C) 2 D) Infinite
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02/17/18

1. The functionf: R→ R is differentiable and f(−5) = f(9) = 0. Then the function g(x)=cos(f(x)) satisfies the condition:
A) g′ has at least 3 zeroes B) g′ has at most one zeroes C) g′ has at exactly 3 zeroes D) g′ has an infinite number of of zeroes
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02/15/18

Triangle Question
In triangle ABC a=4 b=11 and c=8 find m<B? I need step by step if possible so I can understand my error.
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02/15/18

At first a price was decreased by 12%, then it was discounted again by an additional 5%. What is the percent of the total discount?
this is very confusing to me, and i need help 
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02/15/18

How many centimeters are in 1 yard?
I have no idea what im doing but i need help converting it mathematically. Could you please help me i would appreciate it.
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02/15/18

Applications of derivatives
The tangent to f(x)=(2x-1)^4 at x=k has gradient 8.    a) find k b) find equation of tangent  c)hence find the x intercept of this tangent
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02/14/18

Let a and b be real numbers such that a+b=-1. Compute a^2-b^2+a-b.
Let a and b be real numbers such that a+b=-1. Compute a^2-b^2+a-b.
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02/14/18

Business Calc Question
Given the lines:y = 3x + 5y = 3x - 6will this system have a solution? How can you tell without solving the system?
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02/13/18

Solve this radical equation
2√5x+4−2√x=4
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02/13/18

How do I do this? Find all values of x and y such that fx(x, y) = 0 and fy(x, y) = 0 simultaneously. f(x, y) = x2 + 4xy + y2 − 34x − 32y + 38
Find all values of x and y such that fx(x, y) = 0 and fy(x, y) = 0 simultaneously.f(x, y) = x2 + 4xy + y2 − 34x − 32y + 38
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02/13/18

Find the model
Algebraically find the model f(x)=Ca^x so that it satisfies the given conditions.   f(2)=9 and f(4)=20.25        f(1)=16 and f(3)=10.24   Please tell me how to solve this step by step, so that... more
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02/12/18

use substitution to prove that 2s + 3s^2 is not equivalent to 5s
 use substitution to prove that 2s + 3s^2 is not equivalent to 5s  
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