12/07/19

Fixed Point Arithmetic

Suppose we have to add 12.5 and 1.25 using fixed point arithmetic 1) integer form Scale factor -2 and 2) fractional form Scale factor 4 Do we consider the decimal point(.) as a digit in each... more
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12/07/19

Calculus Question
An. Open. Box is. Made from. A square. Cardboard of length 24. inches by cutting. Out four squares at the corners. All. If. Equal length and bending up the. Sides. Find the maximum volume. The... more
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12/07/19

Math Equation Help

Find the vertical shift.y=0.9(sin(pi/3-x)+0.01)
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12/06/19

in 1998,the population of a city was 2500. Then each year for the next five years, the population increased by 4.5% What is the population in five years?
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12/06/19

Is This Correct?
Simplify: (b)/(a) + (7)/3+(2a)/(x)(A) (b + 4ax + 3bx)/(a)(B) (3b + 4ab + 7ax)/(2a2 + 3a)(C) (b + 7x)/3(a + x)(D) (2ab + 7ax + 3bx)/(2a2 + 3ax)(E) none of theseFor this I got (D) (2ab + 7ax +... more
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12/06/19

Finding an inverse function
Determine whether function has an inverse function, if it does, find the inverse function. f(x) = x4f(x) = 3x + 5
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12/06/19

A certain forest covers an area of 2300km2. Suppose that each year this area decreases by 7%. What will the area be after 6 years

A certain forest covers an area of 2300km2. Suppose that each year this area decreases by 7%. What will the area be after 6 years
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12/05/19

A recipe includes 9 cups of flour and 3/4 cup of sugar. Write the ratio of the amount of flour per cup of sugar?
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12/05/19

How many liters of each solution should be used?
A chemist has three different acid solutions. The first acid solution contains 20% acid, the second contains 35% and the third contains 80%. He wants to use all three solutions to obtain a mixture... more
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12/05/19

find the slope of the line passing through the origin and the line is perpendicular to the second line passing through the origin at an angle of (5pi)/8
find the slope of the line passing through the origin and the line is perpendicular to the second line passing through the origin at an angle of (5pi)/8
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12/05/19

Algebra Question!
Mr. Meyer entered the subway at High St. Station and traveled 16 miles on a heading of 165º (measured counterclockwise from reference of 0º for due east), then changed lines and traveled 25 miles... more
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12/05/19

Estimate the period of a function
How do I estimate the period of a function? Not sure where to start
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12/04/19

find the slope of the line passing through the origin and the line is perpendicular to the second line passing through the origin at an angle of (5pi)/8
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12/04/19

How do I use synthetic division and the Remainder Theorem to find p(a)
The numbers are p(x) = 5x^3 -12x^2 + 2x + 1 and a = 3I know how to do synthetic division, but I am not sure what I am solving for or the steps I should take to get to the answer.
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12/04/19

I need to know if what property this is
AB+BC=Ac DF+EF=DF
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12/04/19

What can be the image of m under a dilation with the center P?
Given are line m and point P not on m. What can be the image of m under a dilation with the center P?
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12/04/19

What is the measurement of BC?
In right triangle ABC, ∠C is a right angle, m∠B=70∘, and AB=13sin70∘≈0.94cos70∘≈0.34tan70∘≈2.75There is a right triangle, ABC, that has the given hypotenuse length of AB of 13 and the given angle... more
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12/04/19

The half-life of strontium-90 is 28 years. How long will it take a 30-mg sample to decay to a mass of 21.6 mg? (Round your answer to the nearest whole number.)
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12/04/19

Santay could clean one fourth of his area in an hour by himself. Leticia could clean four fifths of her area in an hour by herself. When working together how long does it take?
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12/04/19

It takes 2 people 6 hrs to make 16 dozen cookies. When making 16 dozen cookies, how long will it take 1 person? How about 4 people? What type of relationship is this?
Draw a strip diagram to help you solve this problem. Show all work and explain your reasoning.
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12/04/19

A paint company makes pink paint by mixing red and white in the ratio 3 to 5. How many liters of white paint does the company need to mix with 35 liters of red paint to make pink paint?
Draw a strip diagram to help you solve this problem. Show all work!
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12/04/19

Solve the equation. 2^2m/2^-m=64
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12/03/19

Systems of Equations

Use the linear combination method to solve the system of equations. Explain each step of your solution.3x-8y=7x+2y=-7
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12/03/19

Algebra Question! Please Help!

Find a: (st)/(r) + (x)/(a+b) = (z/y)(A) (-bsty - rxy + brz)/(sty - rz)(B) x ((-(r)/(st) - (b/x) + (y/z))(C) ((ry)(st + x - z))/(-b)(D) x ((-(r)/(st) + (y/z)) - b(E) None of theseI got (A) (-bsty -... more
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12/03/19

Earth's population (P) is approximately 7 billion people now (2012) and is growing at an annual rate of 1.8%. Assuming a malthusian growth model, A=Pe(e constant)rt(exponents)
find the world population at the year of 2050 (in 38 years, i.e. t=38, you can use billion (B) as a unit)
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