03/15/22

Solution Passing Through Point
If dy/dx = -sin^2 y, then the solution passing through point (π/4, π/2) is A. y = cot^-1 (x - π/4)B. y = cot^-1 (-x + π/4)C. y = cot^-1 (x - π/2 + 1)D. y = cot^-1 (-x + π/2 + 1)
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06/30/21

How would I find this, given the equation?
Given: sin𝛼 =3/8,𝜋/2 < 𝛼 < 𝜋;cos𝛽 =12/13,3𝜋2 < 𝛽 < 2𝜋How would I find? 1) sin 2𝛽 =and2) sin𝛽/2 =I drew a triange to find sin,cos,tan,etc however I don’t know what to do from there?... more
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06/27/21

Calculus in physics
If the current position of the object at time t is s(t), then the position at time h later is s(t+h). The average velocity (speed) during that additional time h is (s(t+h)−s(t))h . If we want to... more
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06/27/21

Length of arc in calculus.
We know the formula for length of arc of function f(x) is L=[INTEGRAL FROM a to b] √ 1+[f'(x)^2] dx.I know the proof and how it is derived. i know f'(x) is the derivative of... more
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06/22/21

Calculus Vector
Let a=<2,1,5> and b=<−5,2,k>.Find K so A and B will be orthogonal
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06/21/21

Calculate the Iterated integral
someone helped me already but i wasnt so sure about it, how do i solve it and was 9ln2/2 the good answer? so please help me :)
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06/21/21

Use the definite integral to find the area between the x-axis and 𝑓(𝑥) = 𝑥^ 2 − 4 over the interval [−4, 0].
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06/21/21

I got this question in my math exam and I got it wrong so, I would like to know the right solution; Finding an Euler brick whose space diagonal is also an integer.
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06/20/21

Having trouble understanding what to do.

I am trying to figure out the exact steps on how to solve this problem. Given the following equation:N2 (g) + 3 H2 (g) → 2 NH3 (g)How many grams of H2 are required if 16.2 grams of N2 reacts? 
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06/19/21

Find the smallest natural number n such that both sqrt of 85+n and sqrt of 140.n can be natural numbers
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06/18/21

what would 1/(f(c)) =
f(x) = x ^ 3 + 9x + 13what would 1/(f(c)) =
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06/18/21

How far away did the shell hit?
During World War I, the Germans had a gun called Big Bertha that was used to shell Paris. The shell had an initial speed of 2.35 km/s at an initial inclination of 41.7 ◦ to the horizontal. The... more
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06/18/21

Please Read Question Below!
A toy cannon uses a spring to project a 5.27-g soft rubber ball. The spring is originally compressed by 4.95 cm and has a force constant of 7.99 N/m. When the cannon is fired, the ball... more
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06/18/21

are alpha particles going to ruin bumper carts? Making them unsafe.
Bumper cars are powered by a charged ceiling and floor. A pole on the bumper car connects these two charged surfaces to give the car current to run. The difference in voltage between the plates is... more
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06/17/21

Find the equation of the tangent line

Find the equation of the tangent line to the graph of the equation at the given point:ln(10 - y2) + 16 = -2x3 at (-2, 3)
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06/17/21

Calculate the volume in milliliters

(a) Calculate the volume in milliliters of 463 g of coconut oil, which has a density of 0.92 g/mL. B)How many liters does this correspond to?
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06/17/21

Solve for magnitude and direction of ball's change in momentum and the average force that the floor exerts on the ball
A basketball player drops a 0.5 kg basketball vertically so that it is traveling at 5.0 m/s when it reaches the floor. The ball rebounds upward at a speed of 3.2 m/s. The ball is in contact with... more
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06/17/21

need help with this Math question!

In the 2016 referendum on the independence of wales from the UK, approx.44% of welsh population was pro-independence. Suppose we now interview arandom sample of 100 people. What is the probability... more
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06/17/21

Write the cubic function whose graph is shown.
(-2,0) (-1,2) (0,0) (1,0) <-- Coordinates/PointsWrite the cubic function whose graph is shown.f(x)=?
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06/17/21

Question regarding Integral calculus.
In Integral calculus, the condition is that "dx" should approach zero and not become zero, right?if it becomes zero then there will be no "area of rectangle" to calculate and we would get only the... more
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06/16/21

How do I find the angles of a Triangular Prism?
Say I have a triangular prism whose triangluar faces are right iscosoles triangles with the side opposite the right angle being 4in. Say the angle of the 4in side of the triangle connecting to the... more
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06/16/21

which x-values at which f is differentiable? f(x)=sqrt (x+1)+1
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06/16/21

Hi I have this one question. Please help me as soon as possible!!
2 NH3 + 3CuO g 3 Cu + N2 + 3 H2OIn the above equation how many moles of water can be made when 3 moles of NH3 are consumed ?please help
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06/15/21

Write the function in vertex form.  Find the maximum temperature during the year.
The temperature y (in degrees Fahrenheit) after t months can be modeled by the function y=−7t^2+14t +20, where 1≤t≤12.a.  Write the function in vertex form.y= b.  Find the maximum temperature... more
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06/15/21

HELP! DUE TODAY!
Determine the concentration of hydronium and hydroxide ions in a solution that has a pH of 1.6. 
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