10/31/19

Modeling with Mathematics

In 1960, the world record for the men’s mile was 3.91 minutes. In 1980, the record time was 3.81 minutes. Part 1~ Write a linear model that represent the world record ( in minutes) for the men’s... more
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10/31/19

You’re building five identical pens adjacent to each other with a total area of 1000 m^2, as shown below. What dimensions should you use to minimize the amount of fencing needed?
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10/31/19

Find the area of the largest rectangle that fits into the triangle with sides x = 0, y = 0, and x/4 + y/6 = 1.
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10/31/19

Inequality word problem
A cashier in a movie box sold 100 more adult admission tcikets that are at $10.50 each, than children tickets at $8.00 each. What is the minimum number of each type of tickets that the cashier has... more
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10/31/19

Let P=(x,y) be the point in quadrant I that is a vertex of the rectangle and is on the semicircle of radius r=8
Graph . For what value of  is  the largest ?
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10/31/19

Find the area of the trapezoid ABCD
A(-5,4) B(0,3) C(4,-1) D(4,-5) Points F(-2,1) E(2,-3) are also included, so the height is 2.8? I believe the perimeter is 27.3? How do I find the area?
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10/30/19

ellipses conic sections

This ellipse is centered at the origin. Find its question vertices: (-4,0) and (4,0)foci: (-3,0) and (3,0)
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10/29/19

please helppppppppppppppppp
Mackenzie accidentally broke a piggy bank to find a combined total of 42 dimes and quarters. if she has a total of $8.70 how many quarters and how many dimes does she have?
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10/29/19

Mathematics teaser

Two numbers whose product is negative 32 and when added together equals negative 3 what are the two numbers?
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10/29/19

Calculus integration with a graph
The exact question is:Suppose that one of the industrial plants increases its water consumption between 9:00 A.M. and 10:00 A.M. and that the rate at which the reservoir supplies water increases... more
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10/29/19

Help with geometry problem
Let $ABC$ be a triangle. Points $A_1, B_1, C_1$ are, respectively, on sides $BC, AC, AB$ and:$\frac{AC_1}{C_1B} = \frac{BA_1}{A_1C} = \frac{CB_1}{B_1A} eq 1$If $\frac{AB}{A_1B_1} =... more
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10/28/19

Need help on math question
Rewrite the equation 2 = -5x + (2y+ 2x) in slope intercept form. (y= mx + b or y = 5x - 4)
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10/28/19

Prove that in a triangle the length of any altitude is smaller than the sides that are meeting at the altitude's vertex.
Prove that in a triangle the length of any altitude is smaller than the sides that are meeting at the altitude's vertex.
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10/28/19

Restricted Domains and Compound Equality’s

Can someone help me understand how to write a restricted domain as a single or compound equality
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10/28/19

find h'(0) if h(x)=[4x^2-5g(x)][g(x)+4x] where g(0)=5 and g'(0)=3
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10/28/19

where a function has an asymptote, its reciprocal function will have a/an ______________.
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10/28/19

Geometry proofs
GIVEN: AB II DC; AD II BC PROVE: DABC congruent DCDA Statements Reasons ? ?
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10/27/19

Write the expression in terms of sine and cosine, and then multiply so that no quotients appear in the final expression and all functions are of theta only.
1-tan(- theta)/ tan(- theta)
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10/27/19

A book is thrown downward from the roof of the school, 200 feet high at a speed of 14 ft/s. Write and solve an equation to determine how long will it take for the book to hit the ground?
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10/27/19

Convergence and Integrals
Let b be any real value and let’s write the integral. Find what values b could b integral from negative to positive infinity of 1/(x2+bx +1)
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10/27/19

The Sine of an angle B is -0.2732 and cos B is negative. Find the value of B if B is between 0 and 360
The Sine of an angle B is -0.2732 and cos B is negative. Find the value of B if B is between 0 and 360
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10/27/19

Find all Angles between 0 and 360 whose sine is 0.6432
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10/27/19

Given f(t) =t^2 − t − ln(t)
a) Find the intervals on which f is increasing or decreasing,b) Find the local maximum and minimum values of fc) Find the interval of concavity and inflection points
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10/24/19

Using Newton's Method
With and x0 = −1 to correctly determine the x3 approximation of the root of f(x) = x5 + x + 1.
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10/24/19

A complete graph should include all extrema, asymptotes, and intercepts.
Graph y = (x2−2x)/(x2+2x+1)
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