10/11/21

#### Find the angle α as shown in the triangle below

One side is 25, the other side is 20 and the other side is 18. The angle α is between sides with length 25 and 18.

10/11/21

#### Find the exact value of cos(15◦ ) − cos(75◦ ). Do not use calculator. Use trigonometric identities.

10/08/21

#### Can anyone help me with this?

A volume is described as follows:1. the base is the region bounded by x=−y^2+16y−51 and x=y^2−20y+109;2. every cross section perpendicular to the y-axis is a semi-circle.Find the volume of this...
more

10/04/21

#### Use the Squeeze Theorem to evaluate the limit lim x→10 f(x), if −1x + 110 ≤ f(x) ≤ x^2 on [8,12].

Use the Squeeze Theorem to evaluate the limit lim x→10 f(x), if −1x + 110 ≤ f(x) ≤ x^2 on [8,12].

09/30/21

#### Derivative Question

Need help going through this questions please. For the equation given below, evaluate dx/dy at the point (1,1).(3x - y)^4 + 3y^3 = 19dy/dx at (1,1) =

#### math problem I dont get

Determine if the following functions are one-to-one, even,odd, periodic(a) f(x)=x2+6x−8, for x∈[3,∞)b) f(x)=tan (7x) for x∈{-pi,pi}c) f(x)=cos(9x) for x∈Rd) f(x)=8x^5please help me I dont get this

09/26/21

#### Street light Calculus Problem

A street light is at the top of a 20-ft-tall pole. A 6-ft tall woman walks away from the pole with a speed of 7 ft/sec along a straight path (see figure). How fast is the tip of her shadow moving,...
more

09/25/21

#### Let f: A→B be a function, and X⊆A.Prove or disprove: f(f^−1(f(X)))=f(X).

More clearly written: Let f: A→B be a function, and X⊆A.Prove or disprove: f(f-1(f(X)))=f(X).I'm not sure where to even begin with this question...

09/23/21

#### Find the values of the trigonometric functions of t from the given information.

Find the values of the trigonometric functions of t from the given information. tan t =1/8terminal point of t is in quadrant III

09/23/21

#### Calculate ∫[2,0]((𝑥^2)/3)+8𝑑𝑥 by using the definition ∫𝑏𝑎𝑓(𝑥)𝑑𝑥=lim𝑛→∞[∑𝑖=1𝑛𝑓(𝑥𝑖)Δ𝑥] Find Rn and Lim of Rn as n approaches infinity

(1 point) Consider the function 𝑓(𝑥)=((𝑥^2)/3)+8. In this problem you will calculate ∫[2,0]((𝑥^2)/3)+8𝑑𝑥 by using the definition ∫𝑏𝑎𝑓(𝑥)𝑑𝑥=lim𝑛→∞[∑𝑖=1𝑛𝑓(𝑥𝑖)Δ𝑥] The summation inside the brackets is...
more

09/23/21

#### Limits of a Function

Let 𝑓(𝑥)=ln(𝑥−1)2𝑥−4f(x)=ln(x−1)2x−4 . Find the correct statement(s).Choose all that apply.Group of answer choices
𝑓(2) does not exist.
𝑓(2)=0.5
The point (2,0.5) is on the graph of 𝑓 .
The...
more

09/23/21

#### calculus math help

hi there im really struggling with these questions
Suppose that f is continuous on [0, 6] and that the only solutions of the equation f (x) = 3 are x = 1 and x = 5. If f (4) = 5, then which of...
more

09/20/21

#### Calculus Problem Question, Elastic band

An elastic band is hung on a hook and a mass is hung on the lower end of the band. When the mass is pulled downward and then released, it vibrates vertically.The equation of motion is s(t) =...
more

09/20/21

#### Could someone help me on this Proof please?

We went over this question today in class and I don't understand it. Could someone help?Let a and b be integers. Prove that a<b if an only if a≤b-1What I did was rename a and b, x and x+1...
more

09/20/21

#### Plot the given point in rectangular coordinates

Plot the given point in rectangular coordinates and find two sets of polar coordinates for the point for 0 ≤ Θ ≤ 2π.1. (-7, 0)

09/07/21

#### Discreate mathematics

Is there any one who can help me past of days or weeks 🥺 I didn't get answer from here plz respond anyone for probability questions : A box contains 17 balls of each color (i.e., green, red, and...
more

## Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.

Most questions answered within 4 hours.

#### OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.