4,335 Answered Questions for the topic College Algebra

College Algebra Algebra 1 Algebra 2 Prealgebra

06/21/20

If a pyramid is made up of a stack of blocks in which each of the 10 layers...
If a pyramid is made up of a stack of blocks in which each of the 10 layers in the stack has 10 fewer blocks in it than the layer under it, how many blocks are there in the pyramid if the top layer... more
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College Algebra Algebra 1 Algebra 2 Calculus

06/21/20

How many different ways can you make 50 cents
How many different ways can you make 50 cents if you have 1 quarter, 5 dimes, and 10 nickels?
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College Algebra

06/20/20

Can I have a college tutor assistance.
A study of women’s weight randomly selected sample of 234 women had a mean weight of 157.3 lb. assuming the population standard deviation is 15.5 lb., construct a 95% confidence interval estimate... more
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College Algebra

06/18/20

use the distributive property to remove parenthesis
(x-2) (x-8)please simplify
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College Algebra

06/18/20

how to find the amount of time in hours
A car leaves a town at 70 kilometers per hour. How long will it take a second car, travelling at 115 kilometers per hour, to catch the first car if it leaves 1 hour later?
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College Algebra

06/18/20

what is the speed of henry and kimball car
Henry drives 12 miles per hour slower than Kimball. They started at the same spot, and drove in opposite directions. After 8.5 hours, they were 714 miles apart. Find each car’s speed.
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College Algebra

06/18/20

how do i find the lengths of the three sides

The perimeter of a triangle is 44 inches. The second side is 2 inches more than twice the first side, and the third side is 12 inches less than three times the first side. Find the lengths of the... more
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College Algebra

06/18/20

What does C equal
The sales tax on an item is 7%. Express the total cost, C, in terms of the price of the item, P. Be sure to use the correct case of the variable when entering your expression.
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College Algebra

06/16/20

Two cyclists, 64 miles apart, start riding toward each other at the same time. One cycles 3 times as fast as the other. If they meet 2 hours later, what is the speed (in mi/h) of the faster cyclist?

Use the variable r to represent the speed of the slower cyclist. A. Write an equation using the information as it is given above that can be solved to answer this. b. What is the speed of the... more
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College Algebra

06/16/20

Math Question Need to be answer
Find the accumulated value of an investment of $12000 for 5 years at an interest rate of 6%.
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College Algebra Calculus Precalculus Algebra

06/15/20

Could someone help me out?
A civil engineer has been asked to design a drainage system to reduce flood damage during the rainy reason. She produced a fancy design with a triangular cross section as shown in Figure 2. Two... more
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College Algebra Algebra 1 Algebra 2 Calculus

06/15/20

sketch a qualitatively accurate graphs of the first derivative f'(x) and the second derivative f''(x) from the graphs of f(x).
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College Algebra Algebra 1 Calculus Precalculus

06/15/20

Find the values of a and b such that the function is continuous on interval (-∞,∞).
The function is a piecewise function: acosx + 2 if x < 0{ be3x +ax2 if x ≥0
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College Algebra Zeros Of Polynomials

06/14/20

Find the polynomial function f with real coefficients that has the given degree, zeros, and solution point.

The given zeros: -5, 1+sqrt3iThe given degree: 3The given solution point: f(-2)=36
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06/14/20

College Algebra
A varsity soccer player kicks a soccer ball approximately straight upward with an initial velocity of 68 ft/sec. The ball leaves the players foot at a height of 3 feet. Part 1 of 2: (2 pts)Use the... more
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06/13/20

College Algebra
You plan to join a gym near your new home. Universe Fitness will charge you $100/year plus an additional $1.50 per fitness class you attend. Silver's Gym charges $150/year but only $1 per fitness... more
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College Algebra

06/12/20

A scientist mixes water (containing no salt) with a solution that contains 60% salt.

 A scientist mixes water (containing no salt) with a solution that contains 60% salt. She wants to obtain 250 ounces of a mixture that has 15% salt. How many ounces of water (containing no salt)... more
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College Algebra

06/10/20

Find a function that models weekly profit in terms of price per feeder. (Let x be the price per feeder and P(x) be the profit.)

A community bird-watching society makes and sells simple bird feeders to raise money for its conservation activities. The materials for each feeder cost $4, and the society sells an average... more
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College Algebra

06/09/20

how many quarts of pure antifreeze must be added to 5 quarts of a 10% antifreeze solition to obtain a 50% antifreeze solution
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College Algebra

06/08/20

A positive integer is twice another. The sum of the reciprocals of the two positive integers is 3/14. Find the two integers.
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College Algebra Science Biology Physics

06/08/20

Anatomy & Physiology (MRNA & DNA)

Which nitrogenous bases would be found on the MRNA transcribed from a DNA strand with the following nucleotide sequence: AAA/TTT/GGG/CCC and why?
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College Algebra

06/06/20

a bank loaned out $21,500, part of it at the rate of 4% annual interest, and the rest at 9% annual interest. The total interest earned for both loan was $1,085.00. How much was loaned at each rate?
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College Algebra

06/04/20

Find the product and write the result in standard form, a+bi
(6+i)(6-i)=I keep getting 37 but for some reason I feel like that's not the answer it wants!
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College Algebra

06/03/20

Piecewise Function
Write a piecewise function that models each telephone billing plan. Then graph the function.$60 per month buys 450 minutes. Additional time costs $0.35 per minute.
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College Algebra Algebra 1 Algebra 2 Calculus

06/03/20

What if a caterpillar is climbing out of a glass that is 12 inches high
What if a caterpillar is climbing out of a glass that is 12 inches high and can climb 1 (1/2) inches in an hour but slides and falls back (1/4) during the hour it rests. How long will it take the... more
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