Susan invests 2 times as much money at 12 % as she does at 8 % . If her total interest after 1 year is $ 1920 , how much does she have invested at each rate?
Susan invests $_______ at 8% and $________ at 12%.
09/13/19
Polynomial and roots
What does the degree of a polynomial tell you about the number of roots it has?
09/13/19
polynomial roots and complex numbers
What does the number of roots a polynomial has tell you about complex numbers, based on the Fundamental Theorem of Algebra?
09/13/19
Can you help me solve this problem?
on a Louvre tablet of about 300 B.C. are four problems concerning rectangles of unit area and given semiperimeter. Let the sides and semiperimeter be x,y, and a. Then we have xy=1, x+y=a. Solve...
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09/13/19
Algebra Problem
The sum of two numbers is 30. The difference between 1/2 of one of the numbers and 1/3 of the other is 5. Find the two numbers.
09/13/19
equation of straight line
Find the Equation of sides of a right angled isosceles triangle having base x=0 and whose vertex is (-2,-3)
09/13/19
Make a sketch using the given information. Then, state all of the pairs of congruent angles.
< 1 and < 2 are a linear pair. < 2 and < 3 are a linear pair. < 3 and < 4 are a linear pair.
09/12/19
I need help? can someone solve and answer?
Mavity's Furniture discounts all furniture 6% to customers paying in cash. Rhonda paid $1,303.73 in cash for a sofa, loveseat and chair. What was the original price of the...
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09/12/19
What's the proper calculation for the question?
The sun shines on a square meter at a certain location on the earth's surface. The average daily energy received from the sun at this location is 4.5 kilowatt-hours. What calculation would give...
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09/12/19
you run for 3 hours at a speed no faster than 8.2 miles per hour.
a. write and solve an inequality that represents the possible numbers of miles you run b. a marathon is approximately 26.2 miles. your friend says that if you continue to run at this speed, you...
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09/12/19
Write and expression using exponents that is equivalent to each of the following expressions
5-3
09/12/19
X+3y=14 -5x+6y=-28
09/12/19
How to figure of if these points are parallel, perpendicular, or neither with 4 sets of points.
Q(-6,11), R(2,-1), S(-4,8), T(-1,10)Are these points parallel, perpendicular, or neither?
09/12/19
Linear equations
The cost of a long-distance telephone call is given by the function below, where m is the length of the call in minutes.C(m) = 0.05m + 0.75Determine how long a phone call can be made for...
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09/12/19
Precalculus verbal problems
Two investments are made, the difference of each is 7000. The smallest investment was 7.5% and the greater the 10% anual interest. determine the amounts invested for each percent if the annual...
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