Monday
January 16, 2017

Homework Help: Math: Algebra

Recent Homework Questions About Algebra

Algebra 6
3x+2y-2x+2=3x-2x+2y+2
Monday, January 16, 2017 by Brenda

Algebra
The length of shadow of a building is 28m. The distance from the top of the building to the tip of the shadow is 36m. Find the height of the building
Monday, January 16, 2017 by Jacqueline a Sanders

Algebra 2
You have $3.20 in quarters and dimes. You gave four fewer quarters than dimes. What is the equation for this? They also want me to then answer in augmented matrix form, but I can do that easily, I just need the equation since I just get really mixed up trying to figure it out...
Monday, January 16, 2017 by Fading

Algebra 2
The point (4, 1) is a solution to which of the following systems of inequalities? a. y < 3x - 1 and y > -x + 1 b. y > 3x - 1 and y > -x + 1 c. y > 3x - 1 and y < -x + 1 d. y < 3x - 1 and y < -x + 1 I'm very confused:( I don't know how to solve ...
Monday, January 16, 2017 by Fading

Algebra
y/5+y-3/2=7
Monday, January 16, 2017 by Rajat

Algebra
Find four numbers that form a geometric progression such that the third term is greater than the first by 12 and the fourth is greater than the second by 36.
Sunday, January 15, 2017 by Anonymous

Algebra
(-11)3squared
Sunday, January 15, 2017 by Troy

Algebra 2
Solve the logarithmic equation. Round to the nearest ten-thousandth if necessary. log8x^3 = 4 Can somebody please give me a step-by-step for this? I'm usually good at this but I'm stuck for this one:( Thanks in adv.
Saturday, January 14, 2017 by Fading

Algebra
Write an expression that is equal to 3x2 1/4
Saturday, January 14, 2017 by Isabella

Algebra 2
Can somebody please give me a short explanation (like, a very simple sentence) on how exponents and algorithms are related? I know what they are (for example:) Exponents are the inverse of logarithms and vice versa. 6^2 = 36 Log6(36) = 2 But can somebody please help me explain...
Saturday, January 14, 2017 by Fading

Algebra
What is the formula for the nth term of this sequence: 2, 6, 12, 20...
Saturday, January 14, 2017 by Anonymous

Algebra
a submarine was cruising at a depth of 1,375 feet. The captain gave an order to climb 450 feet. Compared to sea level , find the depth of the sub
Friday, January 13, 2017 by kay

Algebra
What is the formula for the nth term of the following sequence: 1, 4, 9, 16....
Friday, January 13, 2017 by Anonymous

Algebra 1
A city planning committee surveys 100 people waiting at a bus stop about the expansion of the public transportation system. Is this an example of a: random sample, systematic sample, self-selected sample, convenience sample, bipartisan sample, or stratified random sample? I ...
Friday, January 13, 2017 by Natalia

Algebra
Write an inequality for the word sentence: k is less than zero. A. k > 0 B. k ≥ 0 C. k < 0 ••&a​circ;€¢â€¢ D. k ≤ 0
Friday, January 13, 2017 by Lola

Algebra 1
Simplify using long division. (remember to show all your work.) 3. (72-8x^2+4x^3-36x)/(x-3) 4. (8b^3-6)/(2b-1) simplify the expression, if possible. state the excluded values, if any. 5. 10x^2-25X+15^5x-5 6.2w^2-18^w^2+6w+9
Friday, January 13, 2017 by Natalia

Algebra 1
Graph each function, identify the domain and range, and compare the graph with the graph of y=x^1. 1.y=x^-10 Domain: Range: compare: 2.y=x+3^1+3 Domain: Range: compare: solve and graph.
Friday, January 13, 2017 by Natalia

Algebra
Give an example of a problem involving multiplication of fractions that can be made easier using the commutative property. Explain how it makes the problem easier.
Friday, January 13, 2017 by Britney

Algebra
Create a real-life representation of the following multiplication problem. Explain what the result represents in the problem. 15(2/5)=6
Friday, January 13, 2017 by Britney

Algebra
Please Help!!!! thanks :) 1. Suppose U= {1,2,3,4,5,6,7,8,9,10} is the universal set, and P= {2,4,6,8,10}. What is P'? a: {1,2,3,4,5,6,7,8,9,10} b: {3,5,7,9} c: {1,3,5,7,9}*** d: {2,4,8} 2. If D is the set of natural numbers that are whole numbers less than 3, choose the ...
Friday, January 13, 2017 by Cupcake

math
Essential Algebra Readiness (Pre-Algebra) B Unit 5: Functions Lesson 4: Understanding the Slope
Friday, January 13, 2017 by hayden

algebra
how do you change the equation 0.2=x^2/55-x into a quadratic equation. I have 1/5(55-x)-x^2=0
Friday, January 13, 2017 by Tam

Math - Algebra
Six small marbles and four large marbles have a combined weight of 30 g, whilst seven small marbles and two large marbles have a weight of 23 g. Find the weight of a large marble. Can someone help me create the equation? Thanks.
Friday, January 13, 2017 by Anonymous

Algebra 2
If numbers and letters can be repeated, how many different 6 - digit license plates can be made if the first two positions are letters and the last four are digits
Friday, January 13, 2017 by jazzy

algebra
Please show me how to simplify this expression and solve the equation: (v^2 + 6v+8)/(v^2 + v - 12) / (v+2)/(2v-6) Thank you very much.
Thursday, January 12, 2017 by Anneliese

Algebra 2
If numbers and letters can be repeated, how many different 6 - digit license plates can be made if the first two positions are letters and the last four are digits
Thursday, January 12, 2017 by jazzy

pre-algebra
I am actually in 6th grade but I really want to learn more about pre algebra. I was given a task to solve the question of y=9x+3*7 and i don't get what to do. Should I graph? Or solve for y?
Thursday, January 12, 2017 by Kendrick

algebra
An inequality is shown below: −np − 3 ≥ 7(c − 4) Which of the following solves for n? n ≤ − the quantity 7 times c minus 31 all over p n ≤ â&#...
Thursday, January 12, 2017 by katrina

algebra
Simplify using long division.Show all work. (-72-4x^2+8x^3-36x)/(x-3) Also,please solve (8b^3-6)/(2b-1) I greatly appreciate your help.
Thursday, January 12, 2017 by Jack

algebra 2
A committee of 3 teachers and 3 students is to be formed to judge a contest. If there are 7 students and 5 teachers to choose from, how many different committees could be formed?
Thursday, January 12, 2017 by dee

algebra 2
a survey of 20 colleges found that seniors graduated with an average $12000 in debt from student loans. The debt was normally distributed with a standard deviation of $3200. Find the probability that a senior graduated owing more than $16000.
Thursday, January 12, 2017 by dee

Linear Algebra
Hello, could anyone help me with this excersise of linear algebra, Please? Well it's about linear transformation defined as T:V--W , the excersices give me a set of linearly independent vectors of V {v1,v2, v3... vk} and then asks : Are {W1, w2, w3, ...wk}, the linear ...
Thursday, January 12, 2017 by Anthony

Algebra 1
Andre has $30, and Erin has $14. Andre is saving $5 per day, and Erin is saving $9 per day. After how many days will Andre and Erin have the same amount of money? a. 1 day b. 4 days c. 5 days d. 10 days
Thursday, January 12, 2017 by Chloe

Algebra 2 check my answer please?
The population of a bacteria in a Petri dish doubles every 16 hours. The population of the bacteria is initially 500 organisms. How long will it take for the population of the bacteria to reach 800? Round your answer to the nearest tenth of an hour. 8.7 h 10.8 h 11.1 h 12.6 h...
Thursday, January 12, 2017 by Anabel

Algebra
the function of y= 0.81t^2 relates the time t in seconds, that it takes a problem of length y, in feet, to swing back and forth one time. about how long would it take a 3- ft pendulum to swing back and forth one time? round to the nearest tenth.
Thursday, January 12, 2017 by Althea

algebra
It took Todd 11 hours to travel over pack ice from one town in the Arctic to another town 330 miles away. During the return journey, it took him 15 hours. Assume the pack ice was drifting at a constant rate, and that Todd’s snowmobile was traveling at a ...
Thursday, January 12, 2017 by myra

Algebra
5x+3y=9x-7y I am having trouble in solving. My answer is ending in fractions. And do far I have gotten y=-1/7
Wednesday, January 11, 2017 by Fatima

algebra
The perimeter of a square is to be at least 15 feet, but not more that 52 feet. Find all possible values for the length of its sides.
Wednesday, January 11, 2017 by aaron

Algebra
In R4 you are given the points P(2,2,2,2), Q(9,−5,1,3), R(6,8,−4,1) (a) Write out all possible arrows which can be formed using the points P,Q,R.
Wednesday, January 11, 2017 by Po

Math, Algebra,
Help! I can't understand or find out the answer, I tried but I keep getting lost! George rides a cab to work 3 days a week. He pays $3.50 for the cab to pick him up. He pays an additional fee for each mile driven. In one week, George paid $35.25. If he rides 11 miles each ...
Wednesday, January 11, 2017 by Anonymous

Algebra 2
For the annual rate of change of +70%, find the corresponding growth or decay factor. 0.70 1.70 170 70 For the annual rate of change of -75%, find the corresponding growth or decay factor. -75 1.25 -0.75 0.25 I'm confused, please help? How can I solve this? Thanks
Wednesday, January 11, 2017 by Fading

Math, Algebra
Can you please help me! I solved it, but I'm not sure if I'm right. ------------------------------ Paulo pays $45.99 per month for unlimited calls, with additional charges for text messages. His bill for 4 months is $207.96. If he sends 100 texts each month, how much ...
Wednesday, January 11, 2017 by Anonymous

Algebra 2
Rick deposits $1,000 into an investment account which earns 4% annually. Sally loans $1,000 to a friend, and the friend agrees to pay her $50 each year, and will return the $1,000 after 10 years. Determine the amount of money each person has after 10 years. A. Rick: $1,040; ...
Wednesday, January 11, 2017 by Fading

Algebra
Is 3(x+4/3)-7=21 linear????
Wednesday, January 11, 2017 by Kianna

algebra
Please simplify this expression,if possible. State the excluded values,if any. 5x-5 / 10x^2 -25x + 15. thank you for your time.
Wednesday, January 11, 2017 by Anneliese

algebra
Please simplify using long division (showing all work) : (8b^3 -6) / (2b-1). Thank you.
Wednesday, January 11, 2017 by Anneliese

math algebra
Problem Page Brian rented a truck for one day. There was a base fee of $15.99 , and there was an additional charge of 93 cents for each mile driven. Brian had to pay $259.65 when he returned the truck. For how many miles did he drive the truck?
Wednesday, January 11, 2017 by alexis

Algebra
Shirts with the a school's mascot were printed, and the table shows the number of people who bought them the first, second, third, and fourth weeks after their release. Which graph could represent the data shown in the table? Weeks | Number of sales 1 |22 2 |50 3 |62 4 |75...
Wednesday, January 11, 2017 by Chloe

Algebra
What is the equation, in standard form, of a parabola that models the values in the table x (-2,0,4) F(x) (2.5,1.5,-60.5)
Tuesday, January 10, 2017 by Aaron

algebra
I'm sorry about the carelessness of my first question. The correction should read: y=x^2-4x -32.Use this function to find the x-intercepts by factoring;then show how the value of the discriminant supports your conclusion(s). I'll try to be more careful
Tuesday, January 10, 2017 by Jack

Algebra
Find the sum of the odd integers from 1 through 49.
Tuesday, January 10, 2017 by Anonymous

algebra
y=x^2 -4x-32. Use this function to describe how the axis of symmetry relates to the x-intercepts. Thanks for your help and time.
Tuesday, January 10, 2017 by Jack

algebra
Use this function and find the x-intercepts by factoring; then show how the value of the discriminant supports your conclusion(s). Thank you for all your help.
Tuesday, January 10, 2017 by Jack

algebra
Find the lateral surface of a cuboid whose length, breadth and height are in a ratio of 4:3;2 and volume of the cuboid is 5184 cubic metre.
Tuesday, January 10, 2017 by sushant

algebra
Twice Bill's age plus 2 is equal to 4 times Bill's age less 46. Let Bill's age =b
Tuesday, January 10, 2017 by kyle

algebra
Can someone show me the complete solution to this word problem? William,a logistician,needs to route a freight train that is 20 feet at its tallest point and 10 feet at its widest point within 3 days. the most direct path includes a single-track tunnel that needs 24 hour ...
Tuesday, January 10, 2017 by Jack

algebra 2
What is the s9mplermform of the radical expression? sqrt36g^6 my answer is 6lg^3l
Tuesday, January 10, 2017 by Steve

9th grade algebra (recursive formula)
Can you explain how to find a sub 1 in the following problem? 1. Given 2 terms in an arithmetic sequence, find the recursive formula. a sub 18 = 3362 , a sub 38 = 7362 Steps: a. Find difference: (7632 - 3362)/(38 - 18) = 4000/20 = 200 b. plug into recursive formula: a sub n = ...
Tuesday, January 10, 2017 by Alexis

algebra
your class is planning a field trip to the amusement park. childrens tickets cost 20 and adult tickets cost 25, the total amount of money available is 1000.let c represent the number of childrens tickets and a represent the number os adult tickets. write the equation for the ...
Monday, January 9, 2017 by sidney

algebra
Y=X^2 -4x -32. Use this function and identify the minimum. Thank you very much.
Monday, January 9, 2017 by Anneliese

algebra
y=x^2 -4x -32. Use this function and identify the axis of symmetry and the vertex. Thank you.
Monday, January 9, 2017 by Anneliese

algebra
Y=X^2 -4x -32. Use this function and determine whether the parabola opens up or down; explain your conclusion. Thank you.
Monday, January 9, 2017 by Anneliese

Algebra
The sum of two numbers is 62, and their difference is 12. What are the numbers? I need any help. Thank you
Monday, January 9, 2017 by Kaleigh'

algebra sir reiny sir steve&bob damon help
plz help me sir steve 3x^2=x^x find x step plz too hard
Monday, January 9, 2017 by .....

Algebra - Solving Systems by Elmination
3x + 8y = -5 -2x + 2y = 18
Monday, January 9, 2017 by Anonymous

Algebra
debbie anderson cuts a piece of wood measuring 3 3/8 inches into two equal pieces. How long is each piece?
Monday, January 9, 2017 by Jay

algebra
I want to visit a friend that lives 200 miles away. Gas is $4 a gallon. My car gets 50 miles every 2 gallons of gas. How can I solve this using an literal equation?
Monday, January 9, 2017 by mary

Algebra
Solve the system by substitution. State whether the system has one solution. Infinite solutions, or no solution. 2x+y=10 x-3y=-2 I believe that the answer is x=4 y=2
Monday, January 9, 2017 by Kalani

Algebra
If a positive two-digit integer is divided by the sum of its digits, the quotient is 2 with a remainder of 2. What is the two-digit integer?
Sunday, January 8, 2017 by Isabelle

algebra
Can someone help me solve this story problem? Tom is buying a 42 inch 1080 television on sale for 40% off. If the aspect ratio is 16:9 and the frame around the screen is 1 inch wide,will it fit in an entertainment center with an opening that is 36 inches by 24 inches? Show ...
Sunday, January 8, 2017 by Anneliese

Algebra
X is a number.It is divided by 3,and 5 is subtracted from the result.The new result is then multiplied by 7.If the final answer is 28,what number is X?
Sunday, January 8, 2017 by Veronica

Algebra 1
Simplify: (X^2 - 9)(7x + 21) / (x- 3)(x^2 + 6x + 9) =
Saturday, January 7, 2017 by Clary

Algebra
If a hen and a half lay an egg and a half a day and a half, then how long will three hens take to lay 12 eggs??????
Saturday, January 7, 2017 by Clary

Algebra 1
Combine the following into a single expression of the form a x sqrt b. Sqrt 6 + Sqrt 54 + Sqrt 150
Saturday, January 7, 2017 by Clary

Algebra 8th
For each sequence defined recursively, write the first few terms. Then use the terms to write an explicit equation. a(1)=17 a(n+1)=a(n)-3 And a(1) =20. a(n+1)=1/2*a(n)
Saturday, January 7, 2017 by Summer

Algebra 1
Assuming p>0, what is the positive root of x^2 - 2px - 8p^2 = 0, in terms of p?
Saturday, January 7, 2017 by Clary

Algebra 1
The average of five consecutive integers is 13. One of the integers is removed and the sum of the remaining integers is 53. What is the value of the integer that was removed??
Saturday, January 7, 2017 by Clary

algebra
Solve by completing the square;round to the nearest hundredth if necessary. x^2-3x=4 Thanks so much.
Saturday, January 7, 2017 by Anneliese

Algebra 2
The dimensions in inches of a shipping box can be expressed as width x, length x + 1, and height x - 4. The volume is 84 ft^3. Find the dimensions of the box in feet. 1, 1, 4 2, 2, 21 2, 6, 7 3, 4, 7 Please help? If somebody can help put this into an equation for me, I can do ...
Saturday, January 7, 2017 by Fading

Algebra 1
What is c if: a+b+c = 77, a-c = b+c, and c = b/2
Saturday, January 7, 2017 by Clary

algebra
Use square roots to solve these equations. Round to the nearest hundredth if necessary. 5x^2 + 536 = 651. Also,problem 2: 3z^2 + 52 = -56
Saturday, January 7, 2017 by Jack

algebra
please show this exact problem completely factored: w^2 -15w +54 . I appreciate your help.
Saturday, January 7, 2017 by Anneliese

algebra
For Beth to get an A in her Spanish course she must earn a total of 360 points in 4 test each worth 100 points. If she got scores of 87, 96 and 91 on the first 3 test, determine using an inequality those scores she could make on the fourth test to get an A.
Saturday, January 7, 2017 by micah

algebra
Completely factor: 3j^3 -51j^2 +210j Thank you very much.
Saturday, January 7, 2017 by Anneliese

algebra
Completely factor : 45g^2 + 12g -9 Thank you
Saturday, January 7, 2017 by Anneliese

algebra
Completely factor : w^2 - 15w + 54 Thank you.
Saturday, January 7, 2017 by Anneliese

pre-algebra
6 blank 3 divided by 9 blank 4 + 4=12 what are the blanks
Friday, January 6, 2017 by james

algebra story problems
A bird sitting 16 feet above the ground in an apple tree dislodges an apple.After how many seconds does the apple land on the ground? (assume no branches interfere with its fall.) Thank you.
Friday, January 6, 2017 by Anneliese

algebra word problem
A kicker punts a football from 3 feet above the ground with an initial velocity of 47 feet per second.1) write an equation that gives the height (in feet) of the football as a function of the time (in seconds) since it was punted. 2) Find the height (in feet) of the football 2...
Friday, January 6, 2017 by Anneliese

Algebra
An investment of ​$54,000 was made by a business club.The investment was split into three parts and lasted for one year.The first part of the investment earned​ 8% interest, the second​ 6%, and the third​ ...
Friday, January 6, 2017 by lobna

algebra
Gary watches at most 2 hours of television on a weekday. inequality:
Friday, January 6, 2017 by Anu

Algebra
To Which subset of real numbers does the number 1/5 belong? A irrational numbers B rational numbers c whole numbers, integers, rational number***** d whole numbers, natural numbers, integers
Friday, January 6, 2017 by Lost

Algebra
If the father's age in 3 years will be twice the son's age 4 years ago, and if the sum of their ages now is 106, how old is the father now?
Thursday, January 5, 2017 by BLAH

Algebra
$6300 is​ invested, part of it at 11​% and part of it at 8​%. For a certain​ year, the total yield is ​$nbsp 597.00 . How much was invested at each​ rate? x+y=6300(-11) ...
Thursday, January 5, 2017 by lobna

algebra
P +4- 2 (p-10)> 0 Please check, it was marked wrong P+4 -2p +20 > 0 -p+ 24> 0 -p >-24 P > 24 Answer choices are 29, 26, 24, 22 Please explain thank you
Wednesday, January 4, 2017 by lulu

Algebra
Barb is making a bead necklace. She strings 1 white bead, then 3 blue beads, then 1 white bead, and so on.Write the numbers for the first eight beads that are white.What is the rule for the pattern
Wednesday, January 4, 2017 by Justin

Algebra 2
I'm stuck could anyone explain or tell me what to do please? The number of trucks registered in a city each year increases by 10% each year. Initially there were 100 trucks registered. Write a function T(r) that represents the number of trucks registered in the city in ...
Wednesday, January 4, 2017 by Victoria

Algebra (math)
The graph represents function 1 and the equation represents function 2: A graph with numbers 0 to 4 on the x-axis and y-axis at increments of 1. A horizontal straight line is drawn joining the ordered pairs 0, 3 and 4, 3. Function 2 y = 4x + 1 How much more is the rate of ...
Wednesday, January 4, 2017 by Winchester

algebra
The sum of 2 consecutive integers is at most the difference between nine times the smaller and 5 times the large.
Wednesday, January 4, 2017 by Omara

Algebra
I am totally stuck on this question, can some one help? Come up with and describe two scenarios: one that models a direct variation situation and one that models an inverse variation situation. Do not state explicitly which scenario is which, but provide at least four data ...
Wednesday, January 4, 2017 by Abigail

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Homework Help: Math