03/03/22

What will be the center, and radius of a circle with this equation? x^2 +5x+8y−4=−y^2+9x
I kinda know how to do it but I’m stuck.
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03/02/22

What is the answer and process for this problem
∫ 1 ⁄ ( √x (x + 1)) dx
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03/02/22

Counting principle
Hale Middle School is going to select a committee. The committee will have a faculty member, a male student, a female student, a parent, and a school board member.Here are the positions and the... more
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03/01/22

Please help with this quesiton

The vertices of quadrilateral WXYZ are W(-5,5), X(-3, 8), Y(6, 2), and Z(4, -1). What choice is the best description of quadrilateral?A. TrapezoidB. SquareC. rhombous, that is not squareD.... more
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02/28/22

Graph the function - Precalc
Graph the function by starting with at least three points of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting to find the points of the... more
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02/28/22

Determine whether or not the order triple (1,-1,-2) is the solution

3x-3y-z=2 2x-3y+z=-3 x+y+z=-2 x+2y-z=0 5x-y-5z=16 4x+5y-6z=-13
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02/28/22

Can someone answer part B?

A quadratic equation is given. f(x) =1+x−2 x2 (just the two is under the square root) (a) Use a graphing device to find the maximum or minimum value of the quadratic function f, correct to two... more
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02/28/22

I know the answer to this question but I don't know how to prove it.
Simplify (sec(x) - cos(x))/tan2xsimplify using trigonometry identities
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02/28/22

A circle is expanding. If the radius is changing at a rate of 4, find the rate of change of the area when the radius is 1.
A circle is expanding. If the radius is changing at a rate of 4, find the rate of change of the area when the radius is 1.
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02/27/22

Find the critical points and maximum and minimum values
Can I please get help I’m stuck. ThanksFind all critical points of f(x)=e^-xcosx on [0,2pi]find the absolute maximum and minimum values of f(x)=e^-xcosx on [0,2pi]. Where do these occur?
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02/27/22

The admission fee at an amusement park is $1.50 for children and $4 for adults. 233 people entered the park, and the admission fees collected totaled 662dollars.
 How many children and how many adults were admitted?
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02/25/22

Use a protracter to measure the angles in the figure. Which segment is an angle bisector?

The options are: (A) GE, (B) BC, (C) ED, (D) EFI do not have a protracter on hand.
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02/24/22

please help, I don't know what I am doing wrong
Verify that f has an inverse function. Then use the function f and the given real number a to find (f −1)'(a).f(x) = x3 − 5,    a = 3
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02/22/22

jamie has a collection of 78 nickles,dimes,and quarters worth $12.40. If the number of quarters is doubled, the value becomes $22.15. How many of each type of coin does JAmie have?
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02/22/22

Differentiate the equation 𝑥^7+5𝑥𝑦^3=5 with respect to the variable
Differentiate the equation 𝑥^7+5𝑥𝑦^3=5 with respect to the variable t and express 𝑑𝑦/𝑑𝑡 in terms of 𝑑𝑥/𝑑𝑡. (Use D for dx/dt).dy/dt =
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02/21/22

Linear programming
National Business Machines manufactures x model A portable printers and y model B portable printers. Each model A costs $100 to make, and each model B costs $150. The profits are $40 for each model... more
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02/20/22

Find the radius of the circle.

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02/20/22

Grade 11 Precalculus
The towers supporting the cable of a suspension bridge are 100 m apart and 30 m above the bridge it supports. Supposedly, the cable hangs, following the shape of a parabola, with its low est point... more
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02/20/22

can you explain the answer??
Melting Point : -219°cBoiling Point :-183°cUse the information to deduce the physical state of oxygen at -190 °C. Explain your answer.physical state??explanation??
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02/18/22

If KL = 3x, LM = 9, and KM = 4x, what is KL?
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02/17/22

Calculating population and how fast its growing

The population of a town grows at a rate proportional to the population present at time t. The initial population of 10000 increases by 20% in 5 years . What will be the population in 50 years? How... more
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02/17/22

Suppose f(𝜋/3) = 4 and f '(𝜋/3) = −3, and let g(x) = f(x) sin(x) and h(x) = cos(x)/f(x). Find g'(𝜋/3) Find h'(𝜋/3)
Don't know how to do my calc homework pls help.
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02/17/22

Don't know how to solve problem for calculus homework!!! Pls help
The displacement of a particle on a vibrating string is given by the equation s(t) = 13 + 1/2 sin(13𝜋t) where s is measured in centimeters and t in seconds. Find the velocity of the particle... more
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02/17/22

Suppose that f(5) = 1, f '(5) = 2, g(5) = −5, and g'(5) = 6. Find the following values. Find (fg)'5 Find (f/g)'5 Find (g/f)'5
Don't know how to solve problem for calculus homework.
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02/13/22

chain rule - math
The velocity of an object is given by  dh/dt= 19.21sin(1.7t + 0.3) − 16.32cos(1.7t + 0.3) cm/minWhere h is the height of the object in centimeters and t is time in minutes. The initial height,... more
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