Saturday

October 25, 2014

October 25, 2014

**Recent Homework Questions About Algebra**

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**Algebra**

Line AB is parallel to line CD for A(4, -5), B(-2, -3), C(x, -2), D(6, y). Find a set of possible values for x and y.
*Saturday, October 25, 2014 at 1:37am*

**intermidiate algebra**

Best Rentals charges a daily fee plus a mileage fee for renting its cars. Barney was charged $111.00 for 3 days and 300 miles, while Mary was charged $198.00 for 5 days and 600 miles. What does Best Rentals charge per day and per mile?
*Saturday, October 25, 2014 at 12:34am*

**algebra**

A rental company purchases a truck for $14,500. The truck requires an average cost of $6.75 per day in maintenance. (a) Find a linear function that expresses the total cost C of owning the truck after t days. C(t) = 1 (b) The truck rents for $55.00 a day. Find a linear ...
*Saturday, October 25, 2014 at 12:11am*

**algebra**

The rate at which water evaporates from a certain reservoir depends on the air temperature. The table below shows the number of acre-feet (af) of water per day that evaporate from the reservoir for various temperatures in degrees Fahrenheit. Temperature, °F af 40 760 60 ...
*Saturday, October 25, 2014 at 12:08am*

**algebra**

A piece of pottery is removed from a kiln and allowed to cool in a controlled environment. The temperature (in degrees Fahrenheit) of the pottery after it is removed from the kiln for various times (in minutes) is shown in the following table. Time, min Temperature, °F 15 ...
*Saturday, October 25, 2014 at 12:06am*

**college algebra**

There were 39,000 desktop publishing jobs in the United States in 2000. It has been projected that there will be 64,000 desktop publishing jobs in 2010. (a) Using the BLS data, find the number of desktop publishing jobs as a linear function of the year. N(t)= _____? (b) Using ...
*Saturday, October 25, 2014 at 12:05am*

**Algebra **

Find the greatest integer value of b for which the expression 9x^2+4x^2+11x+7/x^2+bx+8 has a domain for all real numbers? Thank you!
*Friday, October 24, 2014 at 10:40pm*

**algebra**

Compute the domain of the real-valued function f(x)=qsrt(1-sqrt(2-x)). Thank you!
*Friday, October 24, 2014 at 9:59pm*

**algebra**

Compute the domain of the real-valued function f(x)=sqrt(1-sqrt(2-x)). Thank you
*Friday, October 24, 2014 at 9:48pm*

**algebra**

The slope of a horizontal line is 1. The equation of the horizontal line passing through (4, 5)is _______?
*Friday, October 24, 2014 at 9:17pm*

**algebra**

Find an equation of the line that satisfies the given conditions. Through (5, 3) and (4, 7)
*Friday, October 24, 2014 at 8:50pm*

**algebra**

The slope of a vertical line is _________? The equation of the vertical line passing through (4, 5) is ________?
*Friday, October 24, 2014 at 8:49pm*

**algebra**

The slope of a horizontal line is 0. The equation of the horizontal line passing through (4,5) is ________?
*Friday, October 24, 2014 at 8:47pm*

**college algebra**

A line has the equation y = 5x + 4.(a) This line has slope of ___________? (b) Any line parallel to this line has slope _________? (c) Any line perpendicular to this line has slope _______?
*Friday, October 24, 2014 at 8:45pm*

**algebra**

A rental company purchases a truck for $14,500. The truck requires an average cost of $6.75 per day in maintenance. (a) Find a linear function that expresses the total cost C of owning the truck after t days. C(t) = (b) The truck rents for $55.00 a day. Find a linear function ...
*Friday, October 24, 2014 at 8:38pm*

**algebra**

The rate at which water evaporates from a certain reservoir depends on the air temperature. The table below shows the number of acre-feet (af) of water per day that evaporate from the reservoir for various temperatures in degrees Fahrenheit. Temperature, °F af 40 760 60 ...
*Friday, October 24, 2014 at 8:35pm*

**algebra**

A piece of pottery is removed from a kiln and allowed to cool in a controlled environment. The temperature (in degrees Fahrenheit) of the pottery after it is removed from the kiln for various times (in minutes) is shown in the following table. Time, min Temperature, °F 15 ...
*Friday, October 24, 2014 at 8:32pm*

**college algebra**

There were 39,000 desktop publishing jobs in the United States in 2000. It has been projected that there will be 64,000 desktop publishing jobs in 2010. (a) Using the BLS data, find the number of desktop publishing jobs as a linear function of the year. N(t) = ________ (b) ...
*Friday, October 24, 2014 at 8:25pm*

**Pre-algebra**

Dwayne walks a total of 960 feet around 3 sides of a square city block. Which equation and solution show a correct way to find the perimeter, P, of the block?
*Friday, October 24, 2014 at 8:17pm*

**Algebra **

What is the smallest integer value of c such that the function f(x)=x^2+1/x^2-x+c has a domain of all real numbers? Thank you!
*Friday, October 24, 2014 at 8:16pm*

**ALGEBRA**

Problem : If y = $99.50 when x = 5, find y when x = 3.
*Friday, October 24, 2014 at 4:39pm*

**Pre Algebra**

a wire is stretched from the top of a 26-foot pole to a point on the ground that is 15 feet from the bottom of the pole. Approximately how long is the wire in feet? 16 21 30 37
*Friday, October 24, 2014 at 3:02pm*

**Algebra **

What is the range of the function r(x)=1/(1-x)^2? Express your answer in interval notation. Thank you!
*Friday, October 24, 2014 at 2:57pm*

**pre algebra**

A ladder is leaning against a house. The distance between the base of the ladder to the house is 3 feet. The length of the ladder is 10 feet. In feet, how far above the ground does the ladder touch the house? 4.2 9.5 10.4 14.1
*Friday, October 24, 2014 at 2:53pm*

**algebra**

solve this word problem. a bank offers two accounts. Their local plan charges $7 monthly service fee plus $3 for each transaction. There Anywhere plan charges $23 monthly service fee plus $1.75 per transaction. For what number of transactions per month will the Anywhere plan ...
*Friday, October 24, 2014 at 2:21pm*

**algebra**

Ace car rental rents a car for $45 and .25 cents per mile. Star rental car rents a car for $35 and .30 cents per mile. How many miles would a driver need to drive before the cost of renting a car at these two places were the same?
*Friday, October 24, 2014 at 2:20pm*

**algebra**

On the second part of her trip, Tamiko drove 21 miles less than two times as far as the first part. Let f represent the number of miles driven on the first part of her trip.Then write an algebraic expression that represents the number of miles driven on the other part. (what i...
*Friday, October 24, 2014 at 2:05pm*

**Algebra**

You have been hired by a cell phone company to create two rate plans for customers, one that benefits customers with high usage. The cell phone rates may compare usage of minutes or usage of text messaging. At 500 minutes or 200 text messages, both plans should be within $5 of...
*Friday, October 24, 2014 at 12:41pm*

**Algebra/math 117**

sequence an = 6n, starting with n = 1.
*Friday, October 24, 2014 at 10:23am*

**Algebra 1**

Given: 5x - 6y = 0. What is the x-intercept? (0, 0) (-1/5, 0) (0, 1/6) no intercept
*Friday, October 24, 2014 at 9:45am*

**Algebra 1**

Given: x + 2y = -6. Solve for y.
*Friday, October 24, 2014 at 9:20am*

**Algebra**

(2a - b)^3 = 8a^3 - 8a^2b + 4ab^2 - b^3?
*Friday, October 24, 2014 at 12:47am*

**Algebra**

How do I simplify (2a - b)(4a^2 - 2ab + b^2)? I keep getting 8a^3 - 8a^2b + 4ab^2 - b^3, but it shows wrong.
*Thursday, October 23, 2014 at 11:19pm*

**algebra**

X= log 3 5 * log 4 27 * log 3 sqrt 2 25
*Thursday, October 23, 2014 at 8:57pm*

**algebra**

Maria’s garden has 24 meters of fence and she wants to fence the rectangular garden with wall on one side of the garden. She needs no fence along the wall side. Find the largest area of the Maria’s farm that can be fenced.
*Thursday, October 23, 2014 at 8:47pm*

**algebra**

What is the range of the function r(x)-1/(1-x)^2? Express your answer in interval notation. Thank you!
*Thursday, October 23, 2014 at 8:02pm*

**algebra**

You have 10,000.00 to invest in two types of stock. the expected annual returns for the stocks are: stock A - 10 percent, stock b - 6 percent. You want the overall annual return to be 8 percent. Write a linear system of equations that represents the given information. How or ...
*Thursday, October 23, 2014 at 7:56pm*

**Algebra **

What is the domain of the function l(y)= 1/(y-2)+(y-8)? Thank you!
*Thursday, October 23, 2014 at 7:52pm*

**Algebra **

Complete the range of the function f(x)=sqrt(x^2). Thank you!
*Thursday, October 23, 2014 at 7:03pm*

**Algebra **

Let f be a function such that f(x+y)=x+f(y) for any two real numbers x and y. If f(0)=2, then what is f(2012)? Thank you!
*Thursday, October 23, 2014 at 6:56pm*

**math algebra**

A new shopping is opening this month.before agreeing to open shops, store managers had toconsider monthly rent and whether to pay one time fee to put shop name on sign in front of store. Kikis kupcakes number of months total rent paid 2 9700 5 16750 8 23800 10 28500 12 33200 ...
*Thursday, October 23, 2014 at 6:55pm*

**Algebra **

Find all complex numbers z such that z^2=2i. Write your solutions in form, separated by commas. So, "1+2i, 3-i" is an acceptable answer format, but "2i+1; -i+3" is not. Thank you!
*Thursday, October 23, 2014 at 6:55pm*

**Algebra **

Let f(x)=3x^2-4x. Find the constant k such that f(x)=f(k-x) for all real numbers x. Thank you!
*Thursday, October 23, 2014 at 6:53pm*

**Algebra **

Let f(x)=x^2+4x-31. For what value of a is there exaclty on real value of x such that f(x)=a? Thank you!
*Thursday, October 23, 2014 at 6:52pm*

**Algebra **

Let f(x)-3x-7/x+1. Fidnd the range of f. Give your answer as an interval. Please enter your response in interval notation. I figured out the range, ( -inf,-1) and (-1, inf) Thank you.
*Thursday, October 23, 2014 at 6:50pm*

**Algebra **

The function f(x) satisfies f(sqrt(x+1))=1/x for all x>= -1, x does not = 0. Find f(2). Couldn't you just plug it in? sqrt(3) would be 1/sqrt 3? Thank you.
*Thursday, October 23, 2014 at 6:48pm*

**algebra**

Find the smallest integer x where the expression srt(x-2)/x^2+x-6 is defined. I factored the denominator (x+3)(x-2) and the smallest value is 2 so the whole expression would have a value of 0. But, that is not the right answer. Thank you!
*Thursday, October 23, 2014 at 6:38pm*

**Algebra**

Find the slope m=1600-760/60-40
*Thursday, October 23, 2014 at 6:31pm*

**Algebra Slope Intercept Form**

Write an equation in slope intercept form for each table x -2, 0, 2, 4 y 12, 6 0, -6
*Thursday, October 23, 2014 at 6:06pm*

**Algebra Slope Intercept Form**

Write an equation in slope intercept form for each table x -7, 0, 7, 14 y 1, -1, -3, -5 What is the slope and y intercept
*Thursday, October 23, 2014 at 5:41pm*

**Algebra**

There are three real numbers x that are not in the domain of f(x)=1/ 1+ (1+1/x). What is the sum of those three numbers. Thank you!?
*Thursday, October 23, 2014 at 4:52pm*

**algebra**

There are three real numbers x that are not in the domain of f(x)=1/ 1+ (1+1/x). What is the sum of those three numbers. I think one number is 0. Thank you!
*Thursday, October 23, 2014 at 4:20pm*

**Algebra **

What are two numbers that add to 615 but multiply to -90000? I'm trying to factor the quadratic x^2+615x-90000
*Thursday, October 23, 2014 at 4:10pm*

** Algebra**

There are three real numbers x that are not in the domain of f(x)=1/ 1+ (1+1/x). What is the sum of those three numbers. 0 is one of them,I dont know the other ones.Thank you!
*Thursday, October 23, 2014 at 4:06pm*

**Algebra**

What function represents the arithmetic sequence 3,7,11,15?
*Thursday, October 23, 2014 at 2:38pm*

**Algebra**

Write an equation that expresses the relationship. Then solve the equation for c. q varies jointly as c and the square of h.
*Thursday, October 23, 2014 at 1:22pm*

**algebra**

y^1/3(y^4/9-3y^2/9)
*Thursday, October 23, 2014 at 11:47am*

**Algebra**

(7x^3 + 2x - 1) + (8x^2 - 6 + 2x - x^3) = 6x^3 + 8x^2 + 4x - 7 (-3x^4 + x^6 - 9x^5 + 2x^2 - 7) - (-2x^5 + x - 4x^2 - x^4 + 12) = x^6 - 7x^5 - 2x^4 + 6x^2 - x - 19
*Thursday, October 23, 2014 at 11:18am*

**Algebra**

What is the 9th term of the arithmetic sequence defined by the rule below? A(n)=-14+(n-1) (2)
*Thursday, October 23, 2014 at 10:16am*

**algebra**

A piece of pottery is removed from a kiln and allowed to cool in a controlled environment. The temperature (in degrees Fahrenheit) of the pottery after it is removed from the kiln is shown for various times (in minutes) in the following table. Time(min) Temperature (F) 15 2200...
*Thursday, October 23, 2014 at 10:11am*

**algebra**

The rate at which water evaporates from a certain reservoir depends on the air temperature. The table below shows the number of acre-feet (af) of water per day that evaporate from the reservoir for various temperatures in degrees Fahrenheit. Temperature, °F af 40 760 60 ...
*Thursday, October 23, 2014 at 10:09am*

**Algebra**

Mark starts a rock climb when he is 1 mile above sea level. He can climb at the rate of 1.5 miles per hour. Which of the following functions would express Mark's height above sea level over time? f(x) = 1.5x f(x) = 1 + 1.5x f(x) = 2.5x
*Thursday, October 23, 2014 at 9:27am*

**Algebra**

Sound travels at 343 meters per second. How far does it travel in 8 seconds? My answer is 2,744 meters.
*Thursday, October 23, 2014 at 9:19am*

**Algebra**

Is the following relation a function? ((0.3, 0.6). (0.4,0.8), (0.3,0.7), (0.5,0.5))
*Thursday, October 23, 2014 at 9:16am*

**algebra**

Ulani has an older siste and a younger sister. Her older sister is one year more than twice Ulani's age. Ulani's younger sister is three years younger than she is. The sum of their ages is 26. Find Ulani''s age 2x + 1 - 3 = 26
*Wednesday, October 22, 2014 at 11:32pm*

**algebra, factoring**

Solve. x3 + 0.9x2 − 0.9x = 0
*Wednesday, October 22, 2014 at 10:35pm*

**algebra**

If 3 times the square of an integer is added to 1 times the integer, the result is 2. Find the integer.
*Wednesday, October 22, 2014 at 10:29pm*

**algebra**

The rate at which water evaporates from a certain reservoir depends on the air temperature. The table below shows the number of acre-feet (af) of water per day that evaporate from the reservoir for various temperatures in degrees Fahrenheit. Temperature, °F af 40 760 60 ...
*Wednesday, October 22, 2014 at 10:26pm*

**algebra**

If 3 times the square of an integer is added to 1 times the integer, the result is 2. Find the integers.
*Wednesday, October 22, 2014 at 10:24pm*

**Algebra**

You earn $250 per month from your part-time job. You are in a kayaking club that costs $20 per month, and you save at least $100 each month. Write and solve an inequality to find the possible amounts you have left to spend each month.Can someone please help me with this
*Wednesday, October 22, 2014 at 9:51pm*

**college algebra**

A rental company purchases a truck for $14,500. The truck requires an average cost of $6.75 per day in maintenance. (a) Find a linear function that expresses the total cost C of owning the truck after t days. C(t) = 1
*Wednesday, October 22, 2014 at 9:10pm*

**college algebra**

The rate at which water evaporates from a certain reservoir depends on the air temperature. The table below shows the number of acre-feet (af) of water per day that evaporate from the reservoir for various temperatures in degrees Fahrenheit. Temperature, °F af 40 760 60 ...
*Wednesday, October 22, 2014 at 9:06pm*

**college algebra**

A piece of pottery is removed from a kiln and allowed to cool in a controlled environment. The temperature (in degrees Fahrenheit) of the pottery after it is removed from the kiln is shown for various times (in minutes) in the following table. Time(min) Temperature (F) 15 2200...
*Wednesday, October 22, 2014 at 8:57pm*

**Algebra Slope Intercept Form**

0=5y-x Slope intercept : y=x/5+0/5
*Wednesday, October 22, 2014 at 8:52pm*

**Algebra Slope Intercept Form**

-x-1=y Slope intercept : y=-x-1
*Wednesday, October 22, 2014 at 8:52pm*

**Algebra Slope Intercept Form**

-1=-2x+y Slope intercept : y=2x-1
*Wednesday, October 22, 2014 at 8:51pm*

**Algebra Slope Intercept Form**

-5y=-x-15 Slope Intercept : y=-x/-5+3
*Wednesday, October 22, 2014 at 8:11pm*

**Algebra Slope Intercept Form**

-4t=3x+20 Slope intercept : y=3/-4x-5
*Wednesday, October 22, 2014 at 8:05pm*

**Algebra**

Find an equation of the line that satisfies the given conditions. Through (5, 3) and (4, 7)
*Wednesday, October 22, 2014 at 7:50pm*

**Algebra**

There were 39,000 desktop publishing jobs in the United States in 2000. It has been projected that there will be 64,000 desktop publishing jobs in 2010. (a) Using the BLS data, find the number of desktop publishing jobs as a linear function of the year. N(t)=_____
*Wednesday, October 22, 2014 at 7:05pm*

**Algebra**

Find the equation of the line, in slope-intercept form, that satisfies the given conditions. The graph is perpendicular to the graph of y = 5x − 9 and passes through the point whose coordinates are (3, −1).
*Wednesday, October 22, 2014 at 6:42pm*

**Algebra 2**

Sierra King is a nail technician. She allots 20 minutes for a manicure and 45 minutes for a pedicure in her 7-hour work day. No more than 5 pedicures can be scheduled each day. The prices are $18 for a manicure and $45 for a pedicure. How many manicures and pedicures should Ms...
*Wednesday, October 22, 2014 at 6:24pm*

**Algebra 2**

Darren McFadden of Arkansas placed second overall in the Heisman Trophy voting. Players are given 3 points for every first-place vote, 2 point for every second-place vote, and 1 point for every third place vote. McFadden received 490 total votes for first, second, and third ...
*Wednesday, October 22, 2014 at 6:22pm*

**algebra 2**

1. Create a catapult that will be able to launch a bird (tennis ball) into the air. 2. Once built, create a real life situation where you would have to knock down a tower filled with pigs 30 feet away (jenga blocks or toilet paper rolls piled up). a. Launch your bird into the ...
*Wednesday, October 22, 2014 at 6:14pm*

**Algebra **

What is the minimum possible value for y=x^2+12x+5? I am not sure where to even start. Thank you!
*Wednesday, October 22, 2014 at 5:27pm*

**Algebra 2 **

What is the minimum possible value for y=x^2+12x+5? I am not sure where to start.
*Wednesday, October 22, 2014 at 5:08pm*

**Algebra 1**

Solve the inequality: -2/5x - 9 < 9/10
*Wednesday, October 22, 2014 at 11:51am*

**Algebra**

-2/5x - 9 < 9/10 I think I should make everything a fraction and down to the LCD. Then complete the inequality that way?
*Wednesday, October 22, 2014 at 11:35am*

**Algebra **

The cruising speed of an airplane is 150 mph. You plan to hire the plan for a 3 hour sightseeing trip. You instruct the pilot to fly as far north as she can and still return to the airport at the end of the allotted time. How far north should the pilot fly if the wind is ...
*Wednesday, October 22, 2014 at 11:24am*

**algebra **

starting from 1.5 miles away, a car drives toward a speed checkpoint and then passes it. The car travels at a constant rate of 53 miles per hour. The distance of the car from the checkpoint is give by d=|1.5-53t|. At what time if the car o.1 miles from the checkpoint? Answer ...
*Wednesday, October 22, 2014 at 10:46am*

**Algebra**

Tom bowled 135 and 145 in his two first games. Write and Solve a compound inequality to find the possible values for a third game that would give him an average between 120 and 130, inclusive.
*Wednesday, October 22, 2014 at 10:35am*

**algebra**

the second side of a triangle is 6 inches longer than the first side. the third side is 2 inches shorter than the double the first side. the total perimeter of the triangle is 24 inches. find the lengths of all three sides of the triangle
*Wednesday, October 22, 2014 at 10:30am*

**Algebra**

5x^3 - 12x - x^2 + 9 - 12x^5 - 6x^4 - k = 19 + 8x^3 - 18x - 19x^5 - 2x^2 - 8x^4 k = 7x^5 + 2x^4 - 3x^3 + 6x - 10?
*Tuesday, October 21, 2014 at 10:43pm*

**math,algebra,fractions, decimals**

Find 1 terminating decimal and 1 repeating decimal between 1/2 and 2/3.
*Tuesday, October 21, 2014 at 10:37pm*

**Algebra**

Because of a recession, the value of a new house depreciated 10% each year for 3 years in a row. Then, for the next 3 years, the value of the house increased 10% each year. Had the value of the house increased or decreased after 6 years? Explain please!!
*Tuesday, October 21, 2014 at 10:00pm*

**algebra, fractions**

What is a fraction whose decimal value is between 0.4 and 0.64? List the fractions decimal equivalent as well.
*Tuesday, October 21, 2014 at 9:57pm*

**algebra **

what are the following fractions decimal equivalents? -3 3/6 -3 3/8 -3 8/9 -3 2/3
*Tuesday, October 21, 2014 at 9:53pm*

**algebra **

How does the opposite of n differ from the absolute value n?
*Tuesday, October 21, 2014 at 9:19pm*

**algebra**

(a+10)(a-10)/(a-10)(a+4) Simplify rational expressions
*Tuesday, October 21, 2014 at 7:11pm*

**algebra**

A beauty salon buys bottles of styling gel for $4.50 per bottle and marks up the price by 40%. For what price does the salon sell each bottle?
*Tuesday, October 21, 2014 at 5:58pm*

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