02/21/22

using the intermediate value theorem

Using the Intermediate Value Theorem, consider the statement "The cosine of t is equal to t cubed." Write a mathematical equation of the statement. Prove that the equation in part (a) has at... more

The Laws of Sines Cosines Roof of a house

The roof of a house is pitched at a 20◦ angle. An 8 foot solar panel is to be mounted on the roof and angled at 38◦ relative to the horizontal for maximum sun exposure, as shown in Figure 4. How... more

The Laws of Sine Cosines 45 meter tall tower

A 45 meter tall tower is located on a hill that is inclined 25◦ to the horizontal. A guy-wire is to be attached to the top of the tower and anchored at a point 30 meters uphill from the base of the... more

02/05/22

Find the derivatives of the function f for n = 1, 2, 3, and 4. f(x) = x^n sin x

n=1 f'(x)=n=2 f'(x)=n=3 f'(x)=n=4 f'(x)=Use the results to write a general rule for f '(x) in terms of n.f'(x)=

02/02/22

CAN ANYONE HELP?WHAT IS EG?

PLEASE HELP ME TO FIND EG

02/02/22

CAN ANYONE HELP?WHAT IS EG?

PLEASE HELP ME TO FIND EG

Samantha climbs 213m up the side of a pyramid and finds that the angle of depression to her starting point is 52.4deg How far off the ground is she?

Samantha climbs 213m up the side of a pyramid and finds that the angle of depression to her startingpoint is 52.4deg How far off the ground is she?

01/31/22

need help solving

What are the solutions of the quadratic equation?4x2−9x−9=0

01/31/22

need help solving

What is the result when 2x3−9x2+11x−6 is divided by x−3? Show your work.

01/31/22

Need help solving

Solve the system by substitution.{2.5x−3y=−13 {3.25x−y=−14

01/25/22

please solve by factoring

Originally, a rectangle was three times as long as it was wide. When 2 cm were subtracted from the length and 5 cm were added to the width, the resulting rectangle had an area of 90 cm^2. Find the... more

01/25/22

what is the cost of the 2 pairs of socks

Two pairs of socks and a pair of slippers cost $30. Five pairs of socks and a pair of slippers cost $42. Let x represent the cost of a pair of socks and let  represent the cost of a pair of... more

01/24/22

Calculus - Limits

Consider the functionf(x) = 6x − 36/x − 2 x f(x) 1.9 59.055 1.99 63.929 1.999 64.446 2 UNDEFINED  2.001 64.561  2.01 65.085 2.1  70.643 Estimate the value... more

01/24/22

Limits - calculus

Evaluate the following limit. (Round your answer to four decimal places. If an answer does not exist, enter DNE.)lim x→9 x - 3/x-9

01/24/22

limits - calculus

Consider the functionh(t) = 4 cos (t) − 4/t2a. Fill in the table below to look at the behavior neart = 0.Enter UNDEFINED if the function is undefined.Round answers to three decimal... more

01/22/22

find the particular solution y=f(x) given f(0)=6 and dy/dx= y(x^2-x)?

find the particular solution y=f(x) given f(0)=6 and dy/dx= y(x^2-x)?

01/13/22

How many rings and bracelets were bought?

He bought silver rings at $5 each and bracelets at $8 each. If he bought a total of 19 items and spent $131, How many rings and bracelets were bought?

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