Mark M.

A family has two cars. The first car has a fuel efficiency of 30 miles per gallon of gas and the second has a fuel efficiency of 20 miles per gallon of gas. During one particular week,... more

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Math Calculus

04/04/23

Please help me. thank you

On common curves sketch the followings curves in two dimention:i) the curve (x+3)2+y2=9ii) the curve y=sqrt(9-(x+3)2).

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Math Algebra 1 Algebra 2

04/04/23

What is the domain and range for the function below

y = 6x2 + 3x +1

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Linear Algebra

04/03/23

Hello,I am a little confused about this problem - I know that in order for something to be considered a subspace it must pass through the origin (and thus include the zero vector). Does this mean... more

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Algebra 2

04/02/23

Solve this problem

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Algebra 2

04/02/23

Graph this on a number line

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Calculus Precalculus Trigonometry

04/02/23

How to find an equivalent expression for the limit as x ->π of sin x - sin π / x - π?

Would it be cos(x- π) or sin x - sin π or neither?

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Calculus Precalculus

04/01/23

P(x) = x^4 + x^3 + x^2 + x + 11

Use Descartes' Rule of Signs to determine how many positive and how many negative real zeros the polynomial can have. Then determine the possible total number of real zeros. (Enter your answers as... more

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Calculus

03/31/23

Consider the following function. h(x) = sin2(x) + cos(x) 0 < x < 2𝜋

Consider the following function.h(x) = sin2(x) + cos(x) 0 < x < 2𝜋Find h'(x).h'(x) =Excluding any values not in the domain of h, for what values of c is h'(c) = 0 or undefined? (Enter your... more

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Calculus

03/31/23

Applications of derevatives

The length x of rectangle is decreasing at the rate of 5cm/minute and the width y is increasing at the rate of 5cm /minute.When x= 8cm and y= 6cm ,find the rates of change of (i) Perimeter,and ... more

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Algebra 2

03/30/23

solve this problem

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Trigonometry

03/29/23

The triangle △ABC is right-angled with a right angle at corner C and angle v degrees at corner A. Which alternative is correct.

The triangle △ABC is right-angled with a right angle at corner C and angle v degrees at corner A. Which alternative is correct.Then: 1| AC | = | AB | sin v2| BC | = | AB | cos v3| AC | = | BC | tan... more

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Math Geometry

03/29/23

Circle Word problem

Recall the equation for a circle with center (ℎ,k) and radius r. At what point in the first quadrant does the line with equation y=0.5x+3 intersect the circle with radius 5 and center (0, 3)?

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Precalculus

03/29/23

PRE CALC QUESTION

A bank loaned out $6300, part of it at a rate of 9.4% per year and the rest of it at a rate of 6.1% per year. The total amount of interest owed to the bank at the end of one year was $467.25.Find... more

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Calculus

03/28/23

Simplifying derivatives

15(3x+1)^4 x (2x-7)^4 + (3x+1)^5. x 8(2x-7)^3 / (2x-7)^8

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Linear Algebra

03/26/23

If f(x) is a linear function, with f(2)=11 , and f(4)=27 , find an equation for the function in slope-intercept form.

If f(x) is a linear function, with f(2)=11, and f(4)=27, find an equation for the function in slope-intercept form.f(x)=

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Geometry

03/26/23

geometry (please explain)

What is the inverse of the following statement?"If two lines do not intersect, then the two lines are parallel lines."A. If the two lines intersect, then the two lines are not parallel. B. If the... more

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Calculus

03/26/23

The function Ce^(-5t)+e^2 solves the differential equation y"+6y'=-5y+5e^2 true or false

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Math Calculus Differential Equations

03/24/23

Expressions involving complex numbers

A question on my homework is as follows:e^(ln(3)+(π/2)i) * (2π/3)^3 - 3π/3The question states "Solve and simplify as much as possible. Give the answer in rectangular coordinates (in the form 𝑥 +... more

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Calculus

03/24/23

Arc length of the curve

Find the arc length of the curve y = ln ⁡(cos ⁡x) from x = 0 to x=pi/6

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Find f. f ''(t) = 9/ sqrt t , f(4) = 33, f '(4) = 15

What is the image of ( 4 , 2 ) (4,2) after a dilation by a scale factor of 1 2 2 1 centered at the origin?

Evaluate the integral using the following values.

A particle is moving with the given data. Find the position of the particle. a(t) = 2t + 5, s(0) = 7, v(0) = −7

Find The Third Degree Taylor Polynomial For F(X)=X^1/3, Centered At X=1