02/27/19

How to solve this problem step by step
A total of $15,000 is invested in two accounts. One of the accounts earns 12% per year, and the other earns 10% per year. If the total interest earned in the first year is $1,600 , how much was... more
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02/27/19

Find a polynomial function with the zeroes -4,0,2,1 whose graph passes through the point (1/2,27)
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01/13/19

How do i achieve this answer. I've re-worked this problem several times, and i keep landing way off.
How many grams of hydrogen sulfide gas will be released, when 10 grams of iron sulfide reacts with hydrochloric acid? Answer 3.88
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01/13/19

Consider two people where one person is 30% taller than the other but proportioned exactly the same way. Suppose the shorter person has a 33inch waist. What size is the taller persons waist?
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01/13/19

Hi, can someone help prepare these solutions please?

Solution I (1% compound “A” (m/v); MW. 250 g/mol)Solution II (1.5 M compound “B” MW. 480 g/mol; Density: 1.6 g/mL)a) 1ml of 5% (v/v) of solution Ib) 1ml of a solution that contains 0.1mg of... more
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01/12/19

Find f^-1(4) of f(x) = x^9 + x^3 + x + 1
Find f-1(4) of f(x) = x9 + x3 + x + 1The only way I know how to do this is by using a graphing calculator. I don't know how to solve it by hand though. If anyone knows what I should do, please let... more
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01/12/19

The surface area of a sphere with radius r is four times the product of pie and the square of the radius?
Identify the terms, coefficients, and constants. Determine if the expression is quadratic. Why or why not.
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02/22/17

1. A rectangle has the width x and its length is 10 greater than the width. For what values of x the area of the rectangle is greater or equal to 24
1. A rectangle has the width x and its length is 10 greater than thewidth. For what values of x the area of the rectangle is greater or equalto 24. This is a word problem for a quadratic equation.
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