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February 11, 2016

Homework Help: Math: Algebra

Recent Homework Questions About Algebra

Algebra Help
Consider the sequence 2, 6, 18, 54,... Let n = the term number in the sequence. Let A(n) = the value of the nth term in the sequence. A(1) = 2 = 2 X 3^0 A(2) = 6 = 2 X 3 = 2 X 3^1 A(3) = 18 = 2 X 3 X 3 = 2 X 3^2 A(4) = 54 = 2 X 3 X 3 X 3 = 2 X 3^3 What is the relationship ...
Tuesday, January 28, 2014 by Anonymous

algebra 2
Cube root (x+8)-6=-2
Tuesday, January 28, 2014 by Gabriella

algebra 2
3(x-2)^4=24
Tuesday, January 28, 2014 by Gabriella

algebra
Bob and bill leave the ice cream store at the same time going in opposite directions. If Bob walks 4 miles per hour and Bill walks 3 miles per hour in how many hours will they be 10.5 miles apart
Tuesday, January 28, 2014 by Anonymous

algebra 1
which deal gives you more pizza: two six inch pizzas or one ten inch pizza
Tuesday, January 28, 2014 by Anonymous

Algebra 1
Matthew's wading pool is 6-fet across and 18 inches high. How much water does it take to fill the pool a foot deep?
Tuesday, January 28, 2014 by Jynessa

algebra 1
The cheerleaders are making buttons for homecoming. They are printing paper circles with a diameter of 3 inches that will be folded over a metal backing and covered with clear plastic. If a 1/2 inch border is folded over, how much of the picture will show on the finished ...
Tuesday, January 28, 2014 by mike

algebra
solve: |4x-3/6|=|5-5x/10|
Tuesday, January 28, 2014 by Anonymous

Algebra
Find the common ratio of the sequence below. 2, 4, 8, 16,... Is the common ratio 2?
Tuesday, January 28, 2014 by Anonymous

Intermediate algebra
The accompanying graph shows all of the possibilities for the number of refrigerators and the number of TVs that will fit into an 18-wheeler. Write an inequality to describe this region. Will the truck hold 71 refrigerators and 118 TVs? Will the truck hold 51 refrigerators and...
Tuesday, January 28, 2014 by Anonymous

Algebra
Which expression isn't equal to 125? A. 5((5^3)/(2/5))^2 B. ((5^3) / (5^4))^-3 C. (5^-2)/(5^-5) D. 5((5^5)/(5^3)) A What is the correct simplification of (5.4 X 10^12)/(1.2 X 10^3) written in scientific notation? A. 4.5 X 10^7 B. 4.5 X 10^9 C. 45 X 10^6 D. 6.48 X 10^7 B
Monday, January 27, 2014 by Anonymous

Algebra
Which is equivalent to (x^5 y^2)/(xy^2)? A. x^6 y^5 B. x^5 y C. x^4 y D. x^4 D
Monday, January 27, 2014 by Anonymous

Algebra 1
A student scored 78 and 92 on his first two quizzes. Use a compound inequality to find the possible values for a third quiz score that would give him an average between 80 and 85, inclusive. (1 point) 78<=x<=92 75<=x<=85*** 70<=x<=85 80<=x<=85
Monday, January 27, 2014 by Gabby

Algebra Check
(d^7)/d Answer: d^6
Monday, January 27, 2014 by Anonymous

Algebra 1
Tell whether the lines for the pair of equations are parallel, perpendicular, or neither. Y=-4/5x+3 4x-5y=-15 (1 point) Parallel Perpendicular*** Neither Write an equation of a line that is perpendicular to the given line and that passes through the given point. y-2=-1/4(x+3...
Monday, January 27, 2014 by Gabby

Algebra 1
Write an equation in point-slope form for the line through the given point with the given slope. (-4,6);m=3/4 (1 point) y-6=3/4x+4 y-6=3/4(x-4)*** y-6=3/4(x+4) y+6=3/4(x+4)
Monday, January 27, 2014 by Gabby

Algebra 1
Tell whether the sequence is arithmetic. If it is, what is the common difference? -12, -7, -2, 3,… (1 point)
Monday, January 27, 2014 by Gabby

math algebra
3 < 4 – 2x
Monday, January 27, 2014 by Andrew

Algebra
Simplify (5s^-7)/(10s^-9)?
Monday, January 27, 2014 by Anonymous

Algebra
Is the following statement always, never, or sometimes true? A number raised to a negative exponent is negative. A. always B. never C. sometimes Sometimes?
Monday, January 27, 2014 by Anonymous

Algebra
What would the solution to this system of equations be? y = x - 50 y = 0.6x I got (138.8, 83.3), but that doesn't seem right at all.
Monday, January 27, 2014 by Kathy

Algebra
Simplify (4xy^2)^3 (xy)^5. A. 64x^8 y^11 B. 64x^15 y^30 C. 12x^2 y^11 D. 12x^8 y^11 A Simplify (2t^-3)^3 (0.4r)^2. A. 3.2r^2 B. (1.28r^2)/(t^-6) C. (1.28r^2)/(t^9) D. (0.8r^2)/(t^-6) C
Monday, January 27, 2014 by Anonymous

Algebra
Is the following statement always, never, or sometimes true? A number raised to a negative exponent is negative. always never sometimes sometimes?
Monday, January 27, 2014 by Anonymous

Algebra
Simplify and write in scientific notation. (9 X 10^-3)^2 A. 8.1 X 10^-5 B. 81 X 10^-4 C. 81 X 10^-3 D. 8.1 X 10^-6 ? Evaluate 1/2a^-4 b^2 for a = -2 and b = 4. A. 2 B. 1/2 C. 3 D. 4 B
Monday, January 27, 2014 by Anonymous

algebra
An oil painting is 16 years older than a watercolor by the same artist. The oil painting is also three times older than the watercolor. How old is each? Identify a variable, set up an equation, and solve.
Monday, January 27, 2014 by ava

Algebra 1
Eric and Mark were at a ball game and visited the concession stand. They each got a hamburger, and Mark got lemonade and some cotton candy. Eric had a coupon for $2 off the cost. Mark paid the rest, which came to $14.50. Cotton candy costs $5, and a hamburger costs $4. How ...
Monday, January 27, 2014 by Gabby

Algebra
Write in standard notation. 6.12 X 10^3. A. 6120 B. 612 C. 61,200 D. 61.2 A Simplify and write in scientific notation. 0.5(8 X 10^5). A. 8 X 5^5 B. 4 X 5^5 C. 8 X 10^5 D. 4 X 10^5 D
Monday, January 27, 2014 by Anonymous

Algebra, URGENT!! HELP!
Rewrite the following as a perfect square: 144b^18
Monday, January 27, 2014 by Brett

Algebra
Simplify. (mn^-4)/(p^0q^-2) A. (mq^2)/(n^4) B. (mp)/(n^4) C
Monday, January 27, 2014 by Anonymous

Algebra
Simplify 5^-1(3^-2) A. 45 B. 1/45 C. 15^-3 D. 15^2 B
Monday, January 27, 2014 by Anonymous

Algebra 1
An online camera retailer currently offers a 40% discount on cameras. Write a function relating a camera's purchases price, y, to the retail price, x. Give the domain of this function. I'm really stuck on this problem. Thanks so much for your help.
Monday, January 27, 2014 by Kathy

Algebra (Word Problem)
Here's the word problem: You have a coupon for $50 off your camera purchase of $100 or more at Camera World. Write a function relating a camera's purchase price after coupon, y, to the retail price, x. Give the domain of this function. Here is what I have so far: y = ...
Monday, January 27, 2014 by Beth

algebra
1. November 1: You start the month with $1,234 in your account.
Monday, January 27, 2014 by Anonymous

algebra
the total was 29.00 after adding a 4,00 tip to the bill for a family of five, each of whom ordered a hot dog. what was the price of a hot dog?
Monday, January 27, 2014 by help pls!

Algebra
a rock is thrown upward with a velocity of 20 meters per second from the top of a 40 meter high cliff, and it misses the cliff on the way back down. when will the rock be 7 meters from the water, below? round your answer to two decimal places
Sunday, January 26, 2014 by Anonymous

Algebra
How to simplify? 4xy^2 0^4(-y)^-3
Sunday, January 26, 2014 by Anonymous

Algebra
Solve the system by substitution. x + 3y = -4 2x + 2y = -8
Sunday, January 26, 2014 by Kay

Algebra
Systems of equation 1. +2y=5 8 -6y=3x-15 2).p-2q=4 2q=p+2 Solve the equations? I am stuck on how to do these last to problems thanks for the help
Sunday, January 26, 2014 by Jessica

algebra
suppose that S varies directly as the 2/5 power of T, and that S=8 when T=32. Find S when T=243.
Sunday, January 26, 2014 by Anonymous

Algebra
Find an equation of the line that contains the following pair of points. (-2,-3) and (-6,-9)
Sunday, January 26, 2014 by Pam

Algebra
Could someone help me with finding an equation of the line containing the given pair of points (3,2) and (9,7)
Sunday, January 26, 2014 by Pam

Algebra
Simplify? (4 X 10^3)^4
Sunday, January 26, 2014 by Anonymous

algebra
suppose a ball is thrown upward from a height of 4.5 feet with an initial velocity of 21 feet per second. write an equation relating the time t and height h of the ball
Sunday, January 26, 2014 by sam

Algebra
Write a formula to express the given relation. The area A of a rhombus is one-half the product of the diagonals p and q.
Sunday, January 26, 2014 by Michelle

Geometry/Algebra/Calculus
Why isn't the surface area of a sphere with radius r the following: 2*pi * (pi*r) That comes from the following flow of logic: Doesn't it makes sense to think of the surface area of the sphere with radius r as the the circumference of the semi-circle with radius r, pi*...
Sunday, January 26, 2014 by John

College Algebra
A compound inequality uses one of the words and or or. Explain how you will determine whether to use the intersection or union when graphing the solution set
Saturday, January 25, 2014 by Mark

Algebra
A couple wishes to rent a car for one day while on vacation. Ford Auto Rental wants $35.00 per day and 14¢ per mile, while Chevrolet-For-A-Day wants $34.00 per day and 16¢ per mile. After how many miles would the price to rent the Chevrolet exceed the price to rent a...
Saturday, January 25, 2014 by John

Algebra 2
Solve by completing the square. 1.x^2+x+c=0 2. x^2+bx+c=0
Saturday, January 25, 2014 by Dolly

Algebra 1
John went mountain climbing. He reached 350 feet above sea level. His sister Olivia went scuba diving. She was 150 feet below sea level.What is the difference between their elevations. Would it be 500 feet?
Saturday, January 25, 2014 by Jynessa

1033 Int Algebra
Simplify by using the order of operations 4(5-6)^2 +9^2
Saturday, January 25, 2014 by Deb

Algebra 1
The football team lost 6 yards and then gained 8 yards. What was the net loss or gain?
Saturday, January 25, 2014 by Jynessa

algebra
At a pet store, Rhonda paid $11.50 for 3 dog bowls and 4 bones. Kelly $13 for 2 dog blows and 8 bones. How much will Andrew pay for 4 dog bowls and 2 bones?
Saturday, January 25, 2014 by Anonymous

Algebra
I know that Reiny has answered this question on how to simplify this, but what steps do I follow? (r^2 s)^5
Friday, January 24, 2014 by Anonymous

algebra
The perimeter of a pool is 64 feet and has a width of x and a length of x-4. What is both the width and length of the pool?
Friday, January 24, 2014 by Harry

algebra
How to simplify? I know the answer, but please show the steps. (r^2 s)^5
Friday, January 24, 2014 by Anonymous

algebra 2
simplify the product using the distributive property. (5h+2)(3h-3)
Friday, January 24, 2014 by ashly

Algebra
1. (12g^4)^-1 (work check) 12g^-4 = 1/(12g^4) 2. (2y^4)^-3 (need help)
Friday, January 24, 2014 by Anonymous

algebra
write an equation that describes each line in slope intercept form. slope=4, y-intercept=-3 slope=2/5, (10,3) is on the line
Thursday, January 23, 2014 by genny

algebra
write an equation in point slope form for the line with the given slope that contains the given point.. slope=5;(1,7) is on the line (8,-2) and (4,-4) are on the line
Thursday, January 23, 2014 by genny

Algebra 2
How would I reduce the equation 7n=n-5n(n+4)
Thursday, January 23, 2014 by Jane

PRE ALGEBRA
solution to electrical poles that carry electrical wire seem to get smaller the further away you are. Find the apparent height of each pole if the tallest pole is 50 feet tall and there is 100 feet between poles.
Thursday, January 23, 2014 by BEV

Algebra 2
What do I do after I have the equation at 8+64n = 8n
Thursday, January 23, 2014 by Jane

algebra
2a+2b/z=5c solve for a
Thursday, January 23, 2014 by genny

algebra
what is the answer to |19- pi|?
Thursday, January 23, 2014 by mick

algebra
2(x-2)<=-2(1-x) I cant figure it out
Thursday, January 23, 2014 by genny

algebra
-4(x+12)=> -30
Thursday, January 23, 2014 by genny

algebra
write each equation in slope-intercept form. then graph the line described by the equation. 3y+2x=12
Thursday, January 23, 2014 by genny

algebra
write each equation in slope-intercept form. then graph the line described by the equation. 2y=4x+6
Thursday, January 23, 2014 by genny

algebra
use intercepts to graph the line described by each equation x-6=3y
Thursday, January 23, 2014 by genny

algebra
use intercepts to graph the line described by each equation 2x+4y=8
Thursday, January 23, 2014 by genny

algebra 1
You can stuff 321 envelopes in 1 hour and 15 minutes. At this rate, how many envelopes can you stuff in 2 hours? How would you write an equation?
Thursday, January 23, 2014 by jynessa

Algebra 1
Which statement about real numbers is true? Across the heading says: real numbers. The first big circle says: rational numbers The second biggest circle inside rational numbers says: integers The third circle within the rational numbers says: whole numbers. Then there is a ...
Thursday, January 23, 2014 by Cassie

Algebra (Check My Work)
(7a)^-2 1/(7a^2) 1/49a^2
Thursday, January 23, 2014 by Anonymous

Algebra
To order movie tickets online, John has to pay $10 per ticket plus a $2 handling fee. If John has to buy three tickets how much money will he spend? A. $12 B. $30 C. $32 D. 36 I think it is C. Thank You.
Thursday, January 23, 2014 by Cassie

Algebra 1
Chris spends $3 per square foot on carpet for a square room. If he spends about $430 on carpet, what is the approximate length, in feet, of a side of the room? A. 12 ft B. 36 ft C. 72 ft D. 215 ft I think it is A. Thank You.
Thursday, January 23, 2014 by Cassie

Algebra 1
Which property does the equation 4 + x +7 = 4 + 7 + x illustrate? A. Identity property of addition B. distributive property C. Commutative propert of addition D. Associative property of addition I think it's D. Thank You.
Thursday, January 23, 2014 by Cassie

Algebra
How to solve d(d^-2)^-9? Please show and explain step-by-step.
Thursday, January 23, 2014 by Anonymous

Algebra 1
Laura rented a car that costs $20 for the day plus $.12 for each mile driven. She returned the car later that day. Laura gave the sales person $50 and received change. Which inequality represents the possible number of miles m that she could have driven? A. 50>0.12m+20 B. ...
Thursday, January 23, 2014 by Cassie

Algebra 1
which cannot be represented by a linear function? A. The area of a square, given its side length B. the price of fruit, given the weight of the fruit C. The number of steps on a ladder, given the height D. The number of inches,given the number of yards I think it is C. Thank you.
Thursday, January 23, 2014 by Cassie

Algebra 1 (Reiny)
How am I supposed to solve 2x^0y^-3 when x = 7 and y = -4? Also, what steps must I take to solve x^10/d^-3?
Thursday, January 23, 2014 by Anonymous

Algebra (Graphing Calculator)
When trying to perform a linear regression, my fx-9750II calculator doesn't give me the option of graphing once I put the info into lists. The options it gives me are "SRT-A", "SRT-D", "TOP", and "BTM", but no "GRAPH". I ...
Thursday, January 23, 2014 by Beth

Algebra 2
How do I get 0 and 7 out of 2x^2 = x^2 +7x
Wednesday, January 22, 2014 by Jane

Algebra 1
The Tigers won twice as many football games as they lost.They played 96 games. How many games did they win?
Wednesday, January 22, 2014 by Alex

Algebra 1
Stacy is going to paint the side of a house with the dimensions 30 feet by 20 feet. If a gallon of paint will cover 250 square feet, how much paint will she need?
Wednesday, January 22, 2014 by Jynessa

Algebra
Jena wants to paint the walls in her square shaped bedroom. each wall has an area of 130 sq ft. if one quart of paint covers 150 sq ft, how many quarts of paint will she need to buy to paint all four walls? Would I leave it 4.6 or round up to five quarts?
Wednesday, January 22, 2014 by Katie

algebra 1
A gardner is calculating the perimeter of a rectangular garden, which has a length of 25 feet. The area of the garden is 400 square feet. What is the perimeter of the garden? Write the equation: could it be this? p=400/25+400/25+25+25
Wednesday, January 22, 2014 by Bob

algebra
Let the set of ordered pairs (x, y)= {(1, 2), (2, 4), (1, 3), (3, 4)} is a relation between x and y. Then the relation: A. is a function B. is not a function as y = 4 is related to two values of x i.e. x = 2 and x = 3 C. is not a function as x = 1 is related to two values of y...
Wednesday, January 22, 2014 by orpheus

Algebra 1
A jacket costs $45. It is on sale for 20% off. What is the price of the new jacket? Write the equation.
Wednesday, January 22, 2014 by Bob

Algebra 1
Two students are absent. This is 1/8 of the entire class. How many students are in the entire class? Write the equation: How would you write an equation?
Wednesday, January 22, 2014 by Bob

Algebra 1
Two students are absent. This is 1/8 of the entire class. How many students are in the entire class? Write the equation: How would you write an equation?
Wednesday, January 22, 2014 by Bob

Patterns,Algebra ans Functions
This line represents the line on a graph tha shows how long it took Khalil to walk to school.The horizontal axis shows the time and the vertical axis shows blocks covered.Explain what you think happened on Khalil's way to school?
Wednesday, January 22, 2014 by gloria

Algebra 1
Beatriz is creating graphs for her city's Park Department. Beatriz is trying to persuade the parks department to put in more gazebos for shade. For a local park, Beatriz wants to demonstrate the attendance as it changes every week. She also wants to show the temperature ...
Wednesday, January 22, 2014 by Jasmin

algebra 2
complete the square 2x^2-4x-1=0
Wednesday, January 22, 2014 by luckybee

algebra
Two phone companies offer discount rates to students. The first company wants $9.95 per month plus $.10 per minute for long distance calls. The second company wants $12.95 per month plus $.08 per minute for long distance calls.
Tuesday, January 21, 2014 by mu

Algebra 2/ Trig
Igor is flying a kite. he has let out 300 feet of kite string. the string makes an angle of 64 degrees with the level ground. To the nearest foot, how high is his kite?
Tuesday, January 21, 2014 by Breana

algebra
British sterling silver is a copper-silver alloy that is 7.5% copper by weight. How many grams of pure copper and how many grams of British sterling silver should be used to prepare 320 grams of a copper-silver alloy that is 20% copper by weight? (Round your answers to one ...
Tuesday, January 21, 2014 by Anonymous

Algebra Check
What is the simplified form of 3a^4b^-2c^3? a. (81a^4c^3)/(b^2) b. (81a^4)/(b^2c^3) c. (3a^4)/(b^2c^3) d. (3a^4c^3)/(b^2) D What is -a^-2 if a = -5? a. -25 b. 25 c. -1/25 d. 1/25 D What is (-m)^-3n if m = 2 and n = -24? a. 3 b. -3 c. 4 d. -4 A
Tuesday, January 21, 2014 by Anonymous

algebra 1
A charity fair raised $6,000 by selling 500 lottery tickets. There were two types of lottery tickets: A tickets cost $10 each, and B tickets cost $60 each. How many tickets of each type were sold?
Tuesday, January 21, 2014 by g

Algebra
Mike’s father is twice as old as he is. Seven years ago, the father was 7 years less than thrice as old as Mike was. Find Mike’s present age.
Tuesday, January 21, 2014 by Beth

Algebra
Ruffy is 34 as old as Orlie. Four years ago, Ruffy was 1 year more than 12 as old as Orlie. How old is each?
Tuesday, January 21, 2014 by Beth

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Homework Help: Math