Rewrite the complex number 8 ( cos 2.5 + i sin 2.5 ) in a + b i form

My struggle has been that I cannot understand how to find the exact value of cos and sin and the decimal I get from my calculator doesn't register as correct when I punch it in. If you could also... more

04/25/22

circular motion

A rotating platform of radius R = 1.5 cm starts from rest and accelerates with uniform angular acceleration α = 22 rad/s2.a) write an expression that gives the centripetal acceleration on the edge... more

04/25/22

What is the pressure in atm of 6.07 moles of acetylene gas in a 56.26 L cylinder at 37oC?

solution to the problem

04/25/22

h(t)=-16t^2+200t+25

When does the object reach the maximum height

04/25/22

Find the sum of the first 15 terms in the sequence using the appropriate formula. Show the formula and the steps used to get your answer

Find the sum of the first 10 terms in the sequence using the appropriate formula. Show the formula and the steps used to get your answer-3, -4.5, -6, -7.5…d= -1.5

04/25/22

Converting Polar Equations

Given x^2 - y^2 = 9 (NOTE: Minus sign, not plus sign), find what r^2 equals. (Covert from Cartesian to Polar). I am pretty confused on how to solve this, so if you could go step-by-step, it would... more

04/24/22

Calc. homework :)

consider a wire of length 4 ft. the wire is to be cut into two pieces of length x and 4 - x. suppose the length x is used to form a circle of radius r and the length 4 - x is used to form a square... more

04/23/22

(Help) How to solve this question with solution?

Sable, Labelle, and Mabel are sisters working on their tailor shop. The three sisters needed to push one box each with identical mass to prepare for their day of work. Sable finished the task... more

04/23/22

calculus question - fundamental theorem

An object is launched upward from a platform. Its height is a function of time, h(t). The rate of change of velocity is d2h/dt2= g,where g is an unknown constant.The velocity at time t = 0 is v0.... more

04/22/22

Analyze the given function using calculus f(x)=(1/x)+ln(x)

a) Using the first derivative only, identify the intervals where the function increases or decreases.b) Using the second derivative only, identify the intervals where the function concaves upward... more

04/22/22

Use the properties of radicals to simplify each expression.

1.3√23√322.4√24√83.√50/√24.2/3 - √5

04/22/22

mathismathbecasue

The area of the rug measures 96 square feet what could the length and width of the rug be

The graph of a normal curve is given on the right. Use the graph to identify the values of μ and σ.

The graph of a normal curve is given on the right. Use the graph to identify the values of μ and σ.

04/20/22

Solve using A=Pe^rt

An account has $26,000 after 15 years. The account received 2.3 percent interest compounded continuously. How much was deposited initially. Show all work.

Proving Trig Identities

So, I've been learning proofs since I was in about 8th grade math. But I can't grasp it no matter how many times its explained to me. Its one of those things that makes sense when someone else does... more

04/20/22

Region R is bounded by the curves

Region R is bounded by the curves y = 4x2 and y = 4. A solid has base R, and cross sections perpendicular to the y-axis are semicircles with the diameter lying in R. The volume of this solid is..π.2π. more

04/19/22

How long will it take for the penny to hit the ground if the building is 1,101 feet tall?

You are standing on top of a building, and you drop a penny from the highest point.  How long will it take for the penny to hit the ground if the building is 1,101 feet tall?Remember that... more

04/19/22

(Help) How to solve this question with solution?

A force applied by the cue (stick) caused a 200g cue ball to speed up from rest to 7.8m/s in 3 seconds. What is the change in momentum of the cue ball? What is the impulse on the cue ball? How much... more

Write as a single sine function

Which of the following expressions can be written as a single sine function of the form Asin(Bt+θ)? More than one answer can be right.a.) 3sin(2t) + 5cos(2t)b.) cos(pit) c.) 2sin(3t) + 3cos(2t)d.)... more

Find exactly all solutions to the given equation

Fine exactly all solutions to the give equation: 2cos^2θ = 3sinθ + 3, 0 ≤ θ ≤ 2pi

04/19/22

A mole of doughnuts would cover the entire earth to a depth of 8 km.

Can you please show me how to calculate something like this.

04/15/22

Linear Algebra question

Find the point on the line y+2x+1 that is closest to the point (3,5)

04/14/22

Calculate Absolute Zero (0K) in Fahrenheit?

All this question is looking for is the calculation of absolute zero in Fahrenheit

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