11/18/22

what is the sum of two numbers is 14 and their difference is 4
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11/16/22

Let y = 4x^2. Find the change in y, Δy when x = 3 and x = 0.2. Find the differential dy when x = 3 and dx = 0.2.
Let y = 4x2.Find the change in y, Δy when x = 3 and Δx = 0.2Find the differential dy when x = 3 and dx = 0.2
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11/16/22

Please help , physics question
A car moving at 49 km/h skids 12m with locked breaks. How far will the car skid with locked brakes at 122.5 km/h ? Assume that energy loss is due only to sliding friction. Answer in units of m.
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11/16/22

Please help me solve

Write an equation for a rational function with: Vertical asymptotes at x = 1 and x = 6 x intercepts at x = -6 and x = -1 y intercept at 8
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11/16/22

Find the absolute maximum and absolute minimum values of f on the given interval.
f(x) = x3 − 9x2 + 9,    [−4, 8]Absolute Minimum Value?Absolute Maximum Value?
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11/16/22

slope is undefined and passes through (3,5)
the slope is undefined and passes through (3,5)
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11/16/22

Chemistry Question
Potassium nitrate is widely used as a fertilizer because it provides two essential elements, potassium and nitrogen. It is made by mixing potassium chloride and nitric acid in the presence of... more
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11/15/22

Please help me solve

find b and c so that y=5x^2+bx+c has vertex(7,-6)
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11/15/22

Balancing Chemical Equation HARD (do not give answer just help)
I enjoy balancing chemical equations for fun but I cannot figure this out. I know I am stubborn but I refuse to look up the answer. I want to do it without "cheating" I need some help. again please... more
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11/15/22

Verify that f and g are inverse functions. Find f(g(x)) and g(f(x))
1: f(x)=x+2; g(x)=x-2 2: f(x)= 4x-1; g(x)=1/4x+1/4please help.
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11/15/22

slope intercept form of the equation of the line through the given point (-3,4) with the given slope =undefined
slope intercept form of the equation of the line through the given point (-3,4) with the given slope =undefined
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11/15/22

through: (4,-2), parallel to y=3/4x-4
write the slope-intercept form of the equation of the line described
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11/15/22

Projectile Motion
A hiker makes four straight-line walks A= 28 km at 77 degrees B= 32 km at 296 degrees C= 24 km at 27 degrees D=19 km at 83 degrees in random directions and lengths starting at position (41 km, 41... more
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11/14/22

I’m confused, how do I answer this Eulers Method problem?

Consider the solution of the differential equation y’=-2y passing through y(0)=1. Use Eulers method with step size Δx=0.2 to estimate the solution at x=0.2, 0.4, 0.6, 0.8 and 1.0. help!
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11/14/22

How do I answer this substitution question?

Evaluate the following indefinite integral using the substitution u=3x-7.∫ -10/(3x-7)^8 dx = _________
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11/14/22

Any help would be appreciated
Let f(d) be the noise level (in decibels) of a rock concert at a distance d (in meters) from the concert speakers.Explain in words the meaning of (f^-1)(120)=90 in the context of this... more
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11/14/22

solve -6x^2-3x-2=0
solve using the quadratic formula
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11/12/22

What is the distance between points A(2,9) and B(-2,6)? Round to the nearest whole number
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11/12/22

Inverse trig function derivative
Find the derivative of the function.y= arctan(sqrt((1-x)/(1+x)))
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11/11/22

Can you find the yield percent

In this reaction: Mg(s) + l2(s)-> Mgl2(s) if 2.34 moles of Mg react with 3,56 moles of l2 and 1.76 moles of Mgl2 what is the percent yield?
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11/11/22

Find the critical numbers of the function. h(t) = t3/4 − 4t1/4
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11/11/22

Kinetic Friction Question

A box of books that weighs 325N moves with a constant velocity across the floor when it is pushed with a force of 425N exerted downward at an angle of 35.2 below the horizontal. Can you help me... more
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11/11/22

Differentiation equations of lines

Find an equation of the tangent line to the curve cos(𝑥)+11𝑦^2=𝑥𝑦^7+34 at the point (0,(3)^1/2). Assume that 𝑦 is a function of 𝑥.Express all numbers in exact form and write the equation of the... more
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11/11/22

Need help with Calculus
A Norman window has the shape of a semicircle atop a rectangle so that the diameter of the semicircle is equal to the width of the rectangle. What is the area of the largest possible Norman window... more
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11/10/22

quick question about this

Nine more than the quotient of a number and is 5 and 2? use the variable b for the unknown number what would this be?
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