Tom K.

The graph of the equation is an ellipse lying obliquely in the plane, as illustrated in the figure below.a. Compute . .b. The ellipse has two horizontal tangents. Find an equation of the lower... more

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Algebra 2 Algebra Algebra Ii

11/04/20

Please explain how to find p, the focal point, step-by-step, in the following equation: -3y^2 -12x=0. Thanks!

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Geometry Precalculus

11/04/20

The lengths of the sides of a triangle are consecutive integers, n, n+1, n+2 and the largest angle is twice the smallest angle theta. Find the value of n.

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Probability

11/04/20

About probability

There are 28 dominoes of the 28 tiles 25% are tiles with double numbers from double blank to double six. This gives you a 14.3% chance of drawing a double number. If you have 4 players each drawing... more

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Calculus

11/04/20

Use a triple integral to compute the exact volume of the solid enclosed by 𝑦=2𝑥^2, 𝑦=1, 𝑥=0, 𝑧=0, and 𝑧=8−𝑦 where one corner of the bounded region is (0,0,8).

Use a triple integral to compute the exact volume of the solid enclosed by y=2x2, y=1, x=0, z=0, and z=8-y where one corner of the bounded region is (0,0,8).

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Calculus

11/04/20

Use a triple integral to compute the exact volume of the solid enclosed by 𝑦=𝑥^2, 𝑥=𝑦^2, 𝑧=𝑥+𝑦+27, and 𝑧=0.

Use a triple integral to compute the exact volume of the solid enclosed by y=x2, x=y2, z=x+y+27, and z=0.

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Calculus

11/04/20

CALCULUS 1 HELP

If f(4) = 7 and f ′(x) ≥ 2 for 4 ≤ x ≤ 7, how small can f(7) possibly be?f(7) ≥ ____?

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Trigonometry

11/03/20

Find all solutions to cos (5α) − cos (α) = sin (3α) on 0<α<π

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Precalculus Trigonometry

11/03/20

Use the product-to-sum formulas to rewrite the product as a sum or difference. sin 8𝜃 sin 2𝜃

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Calculus Trigonometry Algebra

11/03/20

Proving identities problem?

(secx)(cscx) - tanx = (1-(tan^2)x)/(2(tanx)) + (1)/((2sinx)cosx))I am helping my daughter study for exams and looked up questions online. I came across this and I can't seem to find the answers... more

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Calculus

11/03/20

Locate all relative maxima, relative minima, and saddle points, if any.

f(x,y) = 5y^2+xy+y+8x+6f has a = a.) relative maximum, b.) relative minimum, c.) saddle point, d.) is inconclusive at the point (?,?)

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Statistics

11/03/20

I don't understand how to get the answer for B

A programmer plans to develop a new software system. In planning for the operating system that he will use, he needs to estimate the percentage of computers that use a new operating system. How... more

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Calculus

11/03/20

Antiderivatives

A car is traveling at 86 km/h when the driver sees an accident 70 m ahead and slams on the brakes. What minimum constant deceleration is required to stop the car in time to avoid a pileup? (Round... more

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Calculus

11/03/20

Evaluate the integral ∬𝐷(𝑥2−𝑦2)𝑑𝐴 where 𝐷 is the region in the first quadrant between the circles of radius 4 and radius 7.

∫Evaluate the integral ∫∫D(x2-y2)dA where D is the region in the first quadrant between the circles of radius 4 and radius 7.

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R

11/02/20

Make is a variable in the data file. Why isn't it recognized?

Problem 5:use the pipe operation to `%>%` pipe data from the MPG dataframe - create a data frame called df_Toyota by performing the following -- pipe from MPG -- Filter make == 'Toyota' --... more

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Precalculus

11/02/20

A helicopter flies from the airport on a course with a bearing of 19 degrees.

After flying for 97 miles, the helicopter flies due east for some time. The helicopter flies back to the airport with a bearing of 225°. How far did the helicopter fly on the final leg of... more

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Calculus

11/02/20

Find the extreme values of the function f on the interval [1,5]. If an extreme value does not exist, enter DNE . f(x)=x^4+4/x

Absolute minimum value=Absolute maximum value=Please help!!!

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Calculus

11/02/20

Find the critical points, A and B, of the following polynomial (with A<B). f(x)=6x^3−63x^2+4

A=B=Please help!!!!

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Ap Statistics

11/01/20

How do I find the mean and standard deviation from certain percentages to solve this problem?

This is the problem I'm trying to solve:A company that sells machines that fills soda cans has claimed that not only will their machine under-fill only 0.5% of cans, but that 90% of cans will have... more

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R

11/01/20

I keep getting errors. What is the proper syntax for comparing vectors using same_n?

##### (b) comparing vectors > Given two users's preferences between two options: [Facebook, Instagram], [Firefox, Chrome], [Mac, PC], [Summer, Winter]. - how many things do they aggree on and... more

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Trigonometry

11/01/20

Use the given conditions to find the exact values of sin(2u), cos(2u), and tan(2u) using the double-angle formulas. sin(u) = −3/5, 3𝜋/2 < u < 2𝜋

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Algebra 2

10/31/20

Part 3: CHOOSE 2 problems from this Part! Factor each and find all zeros

1) f (x) = x 4 + 125x 2) f (x) = x 4 + 5x 3 + 4x 2 + 20x3) f (x) = x 4 - x 3 - 2x 2 + 2x 4) f (x) = x 4 - 8x

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Assume that 𝑢⋅𝑣=3, ‖𝑢‖=8, and ‖𝑣‖=4. What is the value of 8𝑢⋅(𝑢−9𝑣)?

calculus parametric curves *need help asap please!

parametric curves calculus need help asap pls!