12/09/19

Modeling with mathematics

The recommended weight of a soccer ball is 430 grams. The actual weight is allowed to vary by up to 20 grams.Part a.) write and solve an absolute value equation to find the minimum and maximum... more
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12/09/19

A lion accelerates from 3.9 m/s to 3.1 m/s in 13.5 s. How far does the lion run during this time?

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12/09/19

How many marbles were there originally
A box Contains marbles. Four of the marbles are there. The rest of the marbles are yellow. Antonia takes at random a marble from the box and does not replace it. Sergio then takes at random a... more
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12/08/19

Math problem: word problem

If I’m driving at 54 mph and it takes 12 minutes and 22 miles to get home. At 2 minutes how many miles have I driven?
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12/06/19

Word Problem Solving
A ship's bearing is 240°. If a submarine, due east of the ship, shoots a torpedo traveling 5 times as fast as the ship, what angle should the submarine fire the torpedo in order to hit the ship?
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12/06/19

What is the distributive property of 16+72
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12/06/19

the cost of 3 notebooks and 2 pencils is 5.10 at the same prices/ The cost of 2 notebooks and 3 pencils is 4.65. What is the total cost of 1 notebook and 1 pencil?
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12/06/19

Please Help With This
The Sugar Sweet Company will choose from two companies to transport its sugar to market. The first company charges $6197 to rent trucks plus an additional fee of $225.75 for each ton of sugar. The... more
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12/04/19

sqr(3+4i). Express in form a+bi
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12/04/19

algebra 1 word problem
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11/21/19

Use the information given below to find sin (α+β)
Use the information given below to find sin(α+β)cosα = −5/13, with α in quadrant IIcosβ = 15/17, with β in quadrant IVGive the exact answer, not a decimal approximation.
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11/16/19

before-calculus

Find the exact value of sin(A-B) if sinA= 5/13 and sinB = 8/17, A and B are between 0 and pi/2
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11/16/19

before-calculus
sinu=12/37 sinv=35/37, u and v are between 0, pi/2 find cos(u+v) exactly
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11/15/19

Algebra 2 functions

Suppose that f(x) = x^2 + 3x + 2 and h(x) = x^4 − 3x^2 + 2. Find a function g such that f ◦ g = h. Hint: It is not g(x) = x^2 .
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11/12/19

Applied Min/Max Help Calculus
You have $9000 dollars to buy fence to enclose a rectangular plot of land. The fence for the top and bottom costs $5 per foot and for the sides it costs $3 per foot. Find the dimensions, x and y,... more
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11/12/19

Double-Angle Formulas
Find sin 2θ if θ is in the first quadrant and tan θ=40/9.
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11/12/19

related rates - volumes
An inverted cone has a height of 11 inches and an initial radius of 18 inches. The volume of the inverted cone is decreasing at a rate of 541 cubic inches per second, with the height being held... more
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11/11/19

Factor the GCF out of the polynomial below
Factor the GCF out of the polynomial below: 25x6+5x4+10x3
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11/11/19

A triangular lot sits at the corner of two streets that intersect at an angle of 64°. One street side of the lot is 115 ft, and the other 128 ft. How long is the back of the lot?
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11/11/19

ellipses conic sections
find the center of the ellipse 4x2+y2-48x+4y+48=0
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11/11/19

Rewrite −5sin(x)−4cos(x) as Asin(x+ϕ)
Rewrite −5sin(x)−4cos(x) as Asin(x+ϕ). A= sqrt41ϕ=? Note: ϕ should be in the interval −π < ϕ < π
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11/10/19

There are 5 major roads from city X to city Y and 9 major roads from city Y to city Z. How many different trips can be made from city X to city Z passing through city Y?

There are 5 major roads from city X to city Y and 9 major roads from city Y to city Z. How many different trips can be made from city X to city Z passing through city Y? The number of different... more
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11/10/19

write the equation of a line that is perpendicular to y= 3x-2 and that passes through -9,5 PLEASE HELP !!! I don’t understand

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11/08/19

Help Solving for compound interest using a system of equations with 2 variables
Today, a couple invested $92,000 separately They figure that in 10 years, they will have a combined total interest of $168,132.75 . Person X has an interest rate of 10% and person Y has and... more
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11/08/19

Sum and Difference Formulas
Express the following as a function of a single angle.tan145°+tan85°/1-tan145°tan85°
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