01/06/22

Alcohol solution problem
Fatuma needs to mix a 10% alcohol solution with a 40% alcohol solution to create 100 milliliters of a 19% solution. How many milliliters of EACH solution must Fatuma use?
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01/06/22

CALCULUS, INTEGRALS, APPLICATION OF INTEGRATION
Consider the region bounded by y = 2√x , x-axis, and x = 1.Set-up and evaluate the integrals that will give the area of the region using the following:i. vertical stripsii. horizontal stripsSet up... more
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01/05/22

Perpendicular Lines
The equation y = 3/4X + 1 represents a given line.. Write the equation for the line that passes through (3,4) and is perpendicular to the given line
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01/04/22

simplify each radical expression by multiplying or dividing the radicals.

1. √5 •√102. -3√3  (2√5 +√6)3.( 7+√12) (7-√12)4.√6÷√5)5.  √5 ———   5+√2 show the solution.
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01/01/22

What is the value of M that makes f(x) continuous when f(x)={[9x^(2),x<10],[M,x=10],[x^(3)-100,x>10]}?
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01/01/22

Open box, 21 ft by 56 ft rectangular sheet of metal, equal size from four corners. What's maximum volume in ft^3
An open box is to be made from a 21 ft by 56 ft rectangular piece of sheet metal by cutting out squares of equal size from the four corners and bending up the sides. Find the maximum volume that... more
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12/18/21

Two angles of a triangle and the measure of the side opposite one of them are given. Find the measure of the side opposite the other given angle, but do not use a calculator.
c = 88, α = 30°, γ = 120°Please do put solutions so I can understand on how you do it.
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12/17/21

Implicit Derivative at a Point

If 1 + 3y = xy then find the equations of all tangent lines to the curve when x=2
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12/17/21

sheila invested a certain sum of money at 6%. she also invested a second sum, which was $2,000 less than the first sum, at 5%. her total annual income was $890. how much did she invest at each rate?
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12/16/21

FInding Circle Diameter
A circle in the xy-plane has a diameter with endpoints (-1,-3) and (7,3). If the point (0,b) lies on the circle and b>0, what is the value of b?
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12/13/21

Find the sum. (precalculus)
-13+39-117+...-9477
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12/12/21

Which of the following express 1 + 5 + 25 + 125 + 625 in sigma notation?
Which of the following express 1 + 5 + 25 + 125 + 625 in sigma notation?https://imgur.com/ToP3ON8MULTIPLE CHOICEII and IIII, II, and IIII and IIII only
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12/11/21

What is the partial fraction decomposition of this equation?
-2x^4+2x^3+6x^2+11x+4/x^2(x+1)^3
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12/10/21

Given f(x) = x + 1/x , determine whether the MVT applies to f(x) on [1, 3]. If so, find the point(s) that are guaranteed to exist.
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12/09/21

Use synthetic division to find the quotient and remainder when 8x^6-9x^4+9x^2+4 is divided by 2.
The quotient is.The remainder is.
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12/09/21

Bearing Trigonometry Problem
A surveyor starting from a point A moves N. 28°5′ E. a distance of 572′ 9.5″ to point B. Next, she moves N. 58°2′ E. a distance of 343′ 7.5″ to point C. Next, she walks S. 4°11′ W. a distance of... more
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12/09/21

Implicit Derivative at a Point
If 1+ 3y = xy then find the equations of all tangent lines to the curve when x = 2.
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12/07/21

Optimization hw problem
 A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y =1-x^2. What are the dimensions of such a rectangle with the greatest possible area?Width = Height = 
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12/07/21

Finding points where tangent lines touch curve
Hello! If someone could help me with this problem I would greatly appreciate it!1) There are two tangent lines to the curve y = x/x+2 passing through the point (1,2).Find the x-coordinates of the... more
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12/06/21

Identify the type of graph and then sketch the graph of the given polar equation
𝑟=6−6cos𝜃 of graph: _______________________Hello! I am having big trouble identifying the graph and especially the part where I have to graph it. What do I do? What does the sketch look like?
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12/04/21

Solve using reduced row echelon form. 4x-y-3z = 1 8x+y-z=5 2x+y+2z=5
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12/03/21

PLZ help me please and thank you
The length of the side opposite the 30° angle of a 30°-60°90° special right triangle is 18ft. Determine the lengths of the other two sides.
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12/03/21

Ferris Wheel problem, please help.
A Ferris wheel with a radius of 15 m rotates once every 100 s. Riders board the Ferris wheel using a platform 1 m above the ground. a) Draw the graph for two rotations of the Ferris wheelb) Write... more
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12/02/21

integral problem
assume F'(t)= sin(t)cos(t) and F(0)=5. find F(b) for b=0, 0.5, 1, 1.5, 2, 2.5, and 3. Round to three decimal places.Hint: you are given that F(0)=5. using the fundamental theorem of calculus you... more
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12/02/21

Find the dimensions of the rectangular field to minimize the cost of the fence?
A farmer wants to fence an area of 2 million square feet in a rectangular field and then divide it into three equal parts with two fences parallel to one of the sides of the rectangle (see the... more
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