Doug C.

12/02/22

Calculus Homework

An oil refinery is located on the north bank of a straight river that is 2 km wide. A pipeline is to be constructed from the refinery to storage tanks located on the south bank of the river 8 km... more

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Geometry

12/01/22

how do solve this equation? write an equation that is perpendicular to y = 1/2x -3 that passes through the point (4,-2)

y = 1/2x -3 that passes through the point (4,-2)

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Algebra 2

11/30/22

Use the bio nominal formula to find the coefficient

Use the bio nominal formula to find the coefficient of the p^14z^3 term in the expression of (p+2z)^17

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Math Calculus Geometry

11/30/22

Having Hard time solving this problem.

Suppose that 98∑i = 1 ai=26 and 98∑i = 1 bi=-11. Compute the sum. 98∑i=1(−14ai+24bi)

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Calculus

11/29/22

viewed from above, a pool has the shape of the ellipse (eqt below) where x and y are measured in ft. The cross sections perpendicular to the x-axis are squares. Find the total volume of the pool.

x2/900 + y2/400 =1

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Precalculus

11/29/22

Systems of Linear Equations in Three Variables

The sum of three numbers is 11. The sum of twice the first number, 3 times the second number, and 4 times the third number is 32. The difference between 3 times the first number and the second... more

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Calculus

11/29/22

The rectangles in the graph below illustrate a left endpoint Riemann sum for f(x) = 3sin x on the interval [0, π]. The value of this Riemann sum is (?).

a) The rectangles in the graph below illustrate a left endpoint Riemann sum for f(x) = 3sin x on the interval [0, π]. The value of this Riemann sum is (?). Left endpoint Riemann sum for y = 3sin x... more

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Test Preparation Precalculus

11/28/22

PLS HELP ASAP! Which of the following graphs could depict the function f(x)=m(x+d)^1/5, if both m and d are positive numbers?

Sketch a graph that could depict the function f(x)=m(x+d)^1/5, if both m and d are positive numbers?

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Calculus Sat Math

11/28/22

Calculus show work please.

If 𝑦3 − 𝑥𝑦 = 5, then 𝑑2𝑦/𝑑𝑥2 equals

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Math

11/27/22

factoring polynomials

you are given f(x) = x^4 - 3x^3 - kx - 5. when f(x) is divided by x + 3, the remainder is 166. determine value of k.

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Precalculus

11/27/22

Precalculus: Find length of one side of a triangle through word problem

Solve the problem.A plane takes off from an airport on the bearing S29degreesW. It continues for 20 minutes then changes to bearing S52degreesW and flies for 2 hours 20 minutes on this course then... more

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Precalculus

11/27/22

Precalculus: Determine whether the given information results in one triangle, two triangles, or no triangle at all.

Two sides and an angle are given. Determine whether the given information results in one triangle, two triangles, or no triangle at all. Solve any triangle(s) that results. a=9, b=7, B=15 degrees

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Calculus

11/27/22

Absolute max and min calculus help?

how am i able to find the abs. max and min of f(x) = 3cos2x on [0,2∏]?I have gotten to f'(x) = -6sinxcosx but am not able to figure out after that. thx

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Math

11/27/22

find x if the following points have a slope of 2. (-3,-2) and (x,6)

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Math

11/26/22

The radioactive element polonium decays a Q(t) = Q0 · 2−(t/140) If the amount of polonium left after 280 days is 90 mg, what was the initial amount present?

Radioactive Decay The radioactive element polonium decays according to the law given below where Q0 is the initial amount and the time t is measured in days.Q(t) = Q0 · 2−(t/140)If the amount of... more

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Math

11/24/22

Factorization question

How to factorise x4 + 12x3 + 35x2 - 12x - 36 ? (Please show the steps, thank you)

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Math Calculus

11/24/22

find the volume of the solid generated by revolving about the x-axis the region bounded by the upper half of the ellipse: x^2/a^2 + y^2/b^2 = 1, and the x-axis and thus find the vol of a prolate sph.

spheroid. Here, a and b are positive constants, with a > b. Asks for the volume of the solid of revolution.

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Precalculus

11/23/22

Find the solutions

Find the solutions of the equation that are in the interval [0, 2𝜋). (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.)sin(2t) − sin(t) = 0

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Math Algebra 1 Algebra 2

11/23/22

If the 100th term of an arithmetic sequence is 287, and its common difference is 3, then

If the 100th term of an arithmetic sequence is 287, and its common difference is 3, thenits first term a1 = ________its second term a2 = ________its third term a3 = _______Hint: Use an =a1 + (n-1) d

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Trigonometry

11/22/22

Find the exact value of the trigonometric function given that sin u = 7/25 and cos v = − 8/17 . (Both u and v are in Quadrant II.) csc(u − v)

find the exact value of the trigonometric function csc(u-v) given that sin(u)=7/25cos(v)=-8/17

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Geometry

11/21/22

Can someone help me on this problem?

Line ℓ1 has the equation y=–x+1and line ℓ2 has the equation x+y=–3. Find the distance between ℓ1 and ℓ2. Round your answer to the nearest tenth.

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Calculus

11/21/22

Evaluate the limit using l'Hospital's Rule - be sure to show all relevant work. lim x-->0^+ (1+5x)^2/x [this is the limit as x approaches 0 from the right of (1 + 5x)^(2/x)]

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Math Geometry Trigonometry

11/19/22

Find endpoint of two vectors if they are perpendicular.

The question states: If A = (10,7) and B = (0, -8), find point D, which is on the x-axis, so that the vector AD is perpendicular to the vector BD.The only information I have is that if two vectors... more

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Precalculus

11/19/22

find an equation for all tangent lines drawn to the graph f(x)= .5x^2 - 6x + 30 from the point (7,8)

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Precalculus

11/19/22

From the observation deck of the lighthouse at Sasquatch Point

From the observation deck of the lighthouse at Sasquatch Point 50 feet above the surface of Lake Ippizuti, a lifeguard spots a boat out on the lake sailing directly toward the light house. The... more

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Calculus Homework

how do solve this equation? write an equation that is perpendicular to y = 1/2x -3 that passes through the point (4,-2)

Use the bio nominal formula to find the coefficient

Having Hard time solving this problem.

viewed from above, a pool has the shape of the ellipse (eqt below) where x and y are measured in ft. The cross sections perpendicular to the x-axis are squares. Find the total volume of the pool.

Systems of Linear Equations in Three Variables

The rectangles in the graph below illustrate a left endpoint Riemann sum for f(x) = 3sin x on the interval [0, π]. The value of this Riemann sum is (?).

PLS HELP ASAP! Which of the following graphs could depict the function f(x)=m(x+d)^1/5, if both m and d are positive numbers?

Calculus show work please.

factoring polynomials

Precalculus: Find length of one side of a triangle through word problem

Precalculus: Determine whether the given information results in one triangle, two triangles, or no triangle at all.

Absolute max and min calculus help?

find x if the following points have a slope of 2. (-3,-2) and (x,6)

The radioactive element polonium decays a Q(t) = Q0 · 2−(t/140) If the amount of polonium left after 280 days is 90 mg, what was the initial amount present?

Factorization question

find the volume of the solid generated by revolving about the x-axis the region bounded by the upper half of the ellipse: x^2/a^2 + y^2/b^2 = 1, and the x-axis and thus find the vol of a prolate sph.

Find the solutions

If the 100th term of an arithmetic sequence is 287, and its common difference is 3, then

Find the exact value of the trigonometric function given that sin u = 7/25 and cos v = − 8/17 . (Both u and v are in Quadrant II.) csc(u − v)

Can someone help me on this problem?

Evaluate the limit using l'Hospital's Rule - be sure to show all relevant work. lim x-->0^+ (1+5x)^2/x [this is the limit as x approaches 0 from the right of (1 + 5x)^(2/x)]

Find endpoint of two vectors if they are perpendicular.

find an equation for all tangent lines drawn to the graph f(x)= .5x^2 - 6x + 30 from the point (7,8)

From the observation deck of the lighthouse at Sasquatch Point

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