6,938 Answered Questions for the topic mathematics
05/04/22
Calculate how high the rocket will go before it begins to fall.
A rocket is launched straight up into the sky. When it runs out of fuel it is 425 ft above the ground and traveling at a velocity of 75 feet per second. At that instant it begins to act as an...
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05/04/22
How fast is the area growing after three days of spreading?
An oil spill in the gulf of Mexico is spreading out in a circular shape. The radius is spreading at 5 miles per day. How fast is the area growing after three days of spreading?
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Mathematics
05/04/22
What would be the other 2 coordinates of a square if one vertex is located (-3,-1) and a second vertex is located at (3, -1)?
Estimate the area under the graph with midpoint?
Estimate the area under the graph of f(x) = 16 - x^2 from x=0 to x=4 using 4 approximating rectangles.I got the right sum = 34 and left sum = 50 but how do I estimate area with midpoints?
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05/04/22
The value of k
If , what must be the value of k in order for f to be continuous?–2–112
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05/04/22
Which phrase describes
Let . Which phrase describes the continuity and differentiability of f at x = 1?continuous and differentiablecontinuous, but not differentiablenot continuous, but differentiablenot continuous and...
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05/04/22
The average value of f(x)
If the average value of f(x) = x2 + 6kx over the interval [0, 6] is 84, then k = ..4.24.
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05/04/22
The population density
The population density of a city r miles from the city center is P(r) people per square mile. Which expression represents the total number of people living within a circular region extending 5...
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05/04/22
Let P(t) represent
Let P(t) represent the number of cars in a school parking lot t hours after 7 a.m. If P(0) = 8 and P′(0) = 12, which of the following statements must be true?I. The instantaneous rate of change in...
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05/04/22
Let f (a function)
Let f be a function such that . Which statement best interprets this limit?The function f has a value of –5 when x is 5.The function f has a value approaching –5 as x approaches 5.The...
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Evaluate the expression for the given values of the variables.
Evaluate the expression for the given values of the variables.−k^2−(8k−5n)+9n; k=−2 and n= -5
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Write the compound inequality as an absolute value inequality.
Write the compound inequality as an absolute value inequality.1.7≤h≤1.9
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Write the equation of the line through the given point. Use slope-intercept form.
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Suppose the stadium takes in $1,448,500 from each sold-out event. How many seats does each section hold?
A stadium has 55,000 seats. Seats sell for $35 in Section A, $20 in Section B, and $15 in Section C. The number of seats in Section A equals the total number of seats in Sections B and C....
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Finding the divergence
Find the divergence of F-> (x, y, z) = < xcos−1y, z/ (y2 + 1) , 3xz2 + 2y > at (2, 0, −1).
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Mathematics
05/03/22
The selling price for a classic speedboat is $14,000. What was the speedboat's original price if it is currently selling for $2000 less than two times its original price?
Mathematics
05/03/22
A gift box shown below has a square base with an area of 81 square centimeters. The volume of the gift box is 216 cubic centimeters. What is the height of the gift box?
I need help with this math question.
integral problem
The velocity function is v(t)=t2−3t+2 for a particle moving along a line. Find the displacement and the distance traveled by the particle during the time interval [−3,6].displacement = ??distance...
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Mathematics Math
05/02/22
Which angle number represents the linear pair of angle∠MRJ?
Mathematics Math
05/02/22
Descending arithmetic sequence second and third term multiplication is 21. The sum of the first seven terms is -7. Find the 5th term of this sequence.
Optimization Calculus Question
Find two numbers A and B (with A<= B) whose difference is 42 and whose product is minimaized.A = ???B = ???
What is this symbol in indefinite integral?
image- https://imgur.com/hTkTVdv
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Using U – Substitution or Integration by Parts, evaluate the Indefinite Integral of the following. ∫x^4e(^-x^3)dx
Using U – Substitution or Integration by Parts, evaluate the IndefiniteIntegral of the following.∫ x4e-x^3dx
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Using U – Substitution or Integration by Parts, evaluate the Indefinite Integral of the following. ∫ sin x sin 4x dx dx Hint. Use the integration by parts twice.
Using U – Substitution or Integration by Parts, evaluate the IndefiniteIntegral of the following.∫ sin x sin 4x dx dx Hint. Use the integration by parts twice.
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05/01/22
Quadratic Translations
How can I solve the question: Determine the vertex form equation of the parabola that is congruent (same shape) to the parent parabola (y=x2), has a vertex at (-3,-7) and is opening down.
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