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Recent Homework Questions About Algebra
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algebra
At a local ice cream shop, you can choose from a collection of 16 different toppings. If you want to choose at least one topping, how many different topping combinations are possible (assuming no repeat toppings)?
Algebra
how do you map a function versus a non-function.
algebra
Determine the x-intercept and y-intercept of 3x - 6y = 12.(Points : 2) (9, 0) and (0, -3) (4, 0) and (0, -2) (-4, 0) and (0, 4)
ALGEBRA
FACTOR THE FOLLOWING EXPRESSION COMPLETELY: -6X^3-20X^2+16X
algebra
together, steve and tom sold 130 raffle tickets for their school. steve sold 14 more than three times as many tickets as tom. how many tickets did each boy sell
algebra
The formula for calculating the amount of money returned for an initial deposit into a bank account or CD (certificate of deposit) is given by nt n r P A „Ê„Ë „É „º„» „¹ ƒ 1ƒy A is the amount of the...
college algebra
3. Students in an English class took a final exam. They took equivalent forms of the exam at monthly intervals thereafter. The average score S(t), in percent, after t months was found to be given by S(t) = 68 − 20 log (t + 1), t ¡Ý 0. What was the average ...
I NEED HELP (ALGEBRA)
Simplify the expression. Write your answer using only positive exponents. Explain as well. 1. (8x)^3*8^-4 2. 2x^-5*y^-3 3. (4x^4y^-3)^-2 4. 1/(3x)^-2
Algebra
You are choosing between two long distance telephone plans. One plan has a monthly fee of $15 with a charge of $.05 per minute. The other plans has a monthly fee of $5 with a charge of $.07 per minute. For how many minutes of long-distance calls with the cost for the two plans...
Help-Algebra
Write a rule for this function: (-2,1), (0,4) Also provide an explanation for how you got your answer. Thanks.
Algebra; HELP PLEASE.
Write a rule for this function: (-2,1), (0,4) Also provide an explanation for how you got your answer. Thanks.
Algebra; PLEASE HELP. D:
I don't understand anything about writing and graphing exponential decay functions../: Explain please, with an example.
Algebra; HELP PLEASE.
I don't understand the topic we're learning in math. /: Provide an explanation, steps on how you figured the answer out, and of course, the answer. Tell whether the table represents an exponential function. If so, write a rule for the function. x: -2, -1, 0, 1, 2 y: ...
Algebra; Help.
How would you make a table for: y=2*(0.25)^x
algebra
Simplify: 53 x 56
Algebra; HELP IMMEDIATELY
I don't understand the topic we're learning in math. /: Provide an explanation, steps on how you figured the answer out, and of course, the answer. Tell whether the abe represents an exponential function. If so, write a rule for the function. x: -2, -1, 0, 1, 2 y: 25, ...
algebra
The square root of 9x+81 = x+5 The square root is that funny looking division sign over 9x+81
algebra
what is the value of x in -5-y-1=0 if y=x+1?
algebra
what is the value of x in -5-y-1=0 if y=x+1?
Algebra
Solve this quadratic eqution: 6a^2 + 13a + 6=0 (^2 means squared...sorry for confusion...)
algebra
Writ an algebric expression for this statement.Ama is N year old now.How old will she be in 10 years.
algebra
please help me with this question. gives line graph with 0 to 2 1/2 marked. problem: store A charges 9.75% tax and store B charges 7.25%. if shoppers's pre-tax receipt is between $11.57 and $81.43, write and graph a compound inequality that describes the difference in ...
college algebra
an isosceles triangle has at least two sides of equal length. Determine whether the triangle with vertices (0,0), (3,4),(7,1) is isosceles.
Algebra 2
Write an equation in slope-intercept form for the line that satisfies the following condition. passes through (5, 14), parallel to the line that passes through (12, 2) and (35, 19)
Algebra
The principal is $25,000. This is P. Research the annual interest rate for your investment. This is r. State the time in years for the investment (as in when the new grandchild will be attending college). This is t. State the number of compounding periods per year. This is n. ...
College Algebra
The principal is $25,000. This is P. Research the annual interest rate for your investment. This is r. State the time in years for the investment (as in when the new grandchild will be attending college). This is t. State the number of compounding periods per year. This is n. ...
Pre-Algebra
determine whether each statement is sometimes, always, or never true: 1) a whole number is an integer. 2) a repeating decimal is a real number. plz help me..... tnx
3rd grade math (not algebra!)
There are 18 bikes in a bike rack. There are 4 more blue bikes than yellow bikes and 2 less yellow bikes than green bikes. How many bikes of each color are in the rack?
Pre-Algebra with PIZZAZZ
First, what is the code for What should you say when you meet an angel? Second, what are the answers to it for 9-14?
algebra
what is a pythagorean theorem? How is it used?
College algebra
use interval notation to express the solution set of the inequality |2x + 3|> or equal to 9
algebra
What is the solution set for 10^x=2.5
algebra
The exact value of c is √22. What is the approximation of c to three decimal places
algebra
Find the accumulated value of an investment of $10,000 for 3 years at an interest rate of 6% if the money is a)compounded seiannually,b)compounded quarterly, c) compounded monthly, d) compounded continually
Math: Algebra
Landon can climb a certain hill at a rate that is 2.5 mph slower than his rate coming down the hill. If it takes him 6 hours to climb the hill and 45 minutes to come down the hill, what is his rate coming down?
Algebra 2
There are two spinners. Each spinner is numbered 1-4. Each spinner is spun once. Find the probability of spinning each of the following:2 on the first spinner and a 4 on the second spinner, both numbers the same, 3 on exactly one spinner, one number less than the other.
Algebra 2
There are two spinners. Each spinner is numbered 1-4. Each spinner is spun once. Find the probability of spinning each of the following: a 3 on both spinners, 1 on one spinner and a 3 on the other, both numbers less than 4, 3 on at least one spinner.
algebra
solve the following system of equations? y=3xsquarerd+4x+1 y=xsquared-7x-4
algebra
find the L.C.D of each of the following and groups of fractions and then express the fractions of each group in terms of the L.C.D of that group... please show work 1\2,3\4,11\16 2\3,1\8,5\12
math-algebra
There are 10 boxes,if 7 contain pens,3 contain pens and pencils,2 contain pencils only.how many empty boxes are there?
college algebra
A grandmother is looking for a plan to finance her new grandchild’s college education. She has $25,000 to invest. Search the internet and locate a long-range investment plan, CD, Savings Bond, etc, for the grandmother. The plan is to earn compound interest. Calculate the ...
algebra
Sam earns R1 350 per week doing tiling. How much does sam earn in an hour if he works 45 hours a week?
Algebra
How do you solve: (2x+1)(x-4)=0
College Algebra
Students in an English class took a final exam. They took equivalent forms of the exam at monthly intervals thereafter. The average score S(t), in percent, after t months was found to be given by . a) What was the average score when they initially took the test, t = 0? Round ...
Algebra
Students in an English class took a final exam. They took equivalent forms of the exam at monthly intervals thereafter. The average score S(t), in percent, after t months was found to be given by . a) What was the average score when they initially took the test, t = 0? S(t) =...
algebra
you can rent a boogie board at tybee island for a $ 10 flat fee plus $.50 for each hour.The situation can be modeled by a linear eqution.What is the slope
Algebra 2
Tell how many solutions this system has x-4y=2 x+4y=2
Algebra 2
Solve the linear system 4x+4y=-2 y=-x show work
Algebra 2
Solve the system y=-4x+4 y=-x-5 show work
Algebra 2
Determine the solution to the system y≤x+6 2x+y≤-6 show work
Algebra 2
Determine the solution to the system y≤2x-2 y≥-x-3 Show work
Algebra 2
A factory is producing DVD and Blu Ray discs. For each case of DVDs they make $180 profit. For each case of Blu Ray they make $250. The DVDs take 3 minutes of machine time and 7 minutes of labor. The Blu Rays take 4 minutes of machine time and 12 minutes of labor. The maximum ...
Algebra 2
A factory is producing DVD and Blu Ray discs. For each case of DVDs they make $180 profit. For each case of Blu Ray they make $250. The DVDs take 3 minutes of machine time and 7 minutes of labor. The Blu Rays take 4 minutes of machine time and 12 minutes of labor. The maximum ...
algebra
3a+5b=4 4a+3b=2 find a and b please
Algebra I
How do you put into scientific notation -6 x 10 to the power of -5?
ALGEBRA 2
Use the Rational Root Theorem to list all possible rational roots for each equation. Then find any actual roots. x^3 + 2x^2 + 3x + 6 = 0 (8 points)
math pre algebra
a kennel owner is buying a new building he want the space for each dog run to be at least 96 square ft the area reserved for the dog ru.s is 30 ft by 60 ft
algebra
Lisa is planning to put a border around the edge of a circular table. She needs to know how long the border needs to be so that she can buy the material. Which measurement does Lisa need?
algebra
find x and y 5x-3y=-4 3x+2y=9
algebra
Which value of x makes the following equation true? 7.8(x - 2) = -0.2x + 40.4
Algebra 2
What is three root 1/3 ? I'm not sure if that looks right in words, but I don't know how to post the square root symbol. If that doesn't make sense, then pretend that this sign: % is a square root: 3 %1/3 The 3 looks like it's a little above it. Please help me...
Algebra 2
What is three root 1/3 ? I'm not sure if that looks right in words, but I don't know how to post the square root symbol. If that doesn't make sense, then pretend that this sign: % is a square root: 3 %1/3 The 3 looks like it's a little above it. Please help me...
Algebra
What is the rule of a function table to find the number of inches in 4, 6, 8, and 10 feet?
college algebra
I need to find out the solution in terms of natural logarithms for this 10^x=2.5
college algebra
I need to find out the solution in terms of natural logarithms for this 10^x=2.5
algebra
a woodworking project calls for three pieces. the longest piece is twicw the length of the middle-sized piece, and the shortest is 10 inches shorther than the middle-sized piece. the board os 70 inches. how much must each peice be?
algebra
A wholesaler lists a refrigerator model at a price of $850 and offers a chain discount of 20% and 10%. What is the net price? (Points: 5) $476 $595 $612 $644
algebra
solve the system y=x+3 y=-3x+7
algebra
2/y+p=3/q
algebra
Abigail's car uses 3 2/3 gallons of gas every hour on a long distance trip. How many gallons does the car use in 8 1/2 hours?
geometry/algebra
at 5pm a person 5 feet tall casts a 10 foot shadow. at the same time a flagpole casts a 40 foot shadow. what is the height of the flagpole?
Math- Algebra
Bikes, Trikes and more At Brittany's Bike shop, she rents all kinds of cycles: unicycles, tandems, regular bikes, and even tricycles. She parks all the cycles in front of her shop with a helmet for each rider strapped to the cycles. This morning Brittany counted 57 Helmets...
Algebra 2
How do you simplify this expression 3/4(20a+12)+1/4(20a+12)
college algebra
Students in an English class took a final exam. They took equivalent forms of the exam at monthly intervals thereafter. The average score S(t), in percent, after t months was found to be given by S(t) = 68 - 20 log (t+1), t > 0
college algebra
Please show me how to work this e^.05t =1600
Algebra
I have 100 feet to surround three sides of a rectangle. What is the largest area that I can enclose?
PRE-ALGEBRA
How do you solve these inequalities? -2(4k-3)=5(2k)-(-7) 6(2a-3)-3(a-4)=16 3r-2=-4(2-r)-5r+8 -3(c-10)-c=19-5c
algebra
sara ran 1 2/5 miles around track. this was 5 /8 of distance around the whole track. what is the distance around the track?
Pre-Algebra
Help! I am not really good with story problems! Forest rangers measure a depth of 82" of snow on a mountain peak at 8am. Snow is expected to fall at a steady rate of 3/4" per hour throughout the day. A) write an equation that approximates the depth of 'y' of ...
Pre-Algebra
Please let me know if I figured these out correctly. Directions: For the line with the given equation, find the slope of a parallel line and the slope of a perpendicular line. 1)y=6/5x + 144 slope of parallel: 6/5 slope of perpendicular: -5/6 2)4y-4x=16 slope of parallel: 1 ...
algebra
what is 2m minus 30 divided by 2
algebra
for the algebraic function described by the expression x^2+2x-6 and written as the function f(6) = x^2+2x-6, what is the evaluation of f(6)?
Algebra
Given the function f(x)=2x²-7x+4,find f(10)=? *2x squared
Algebra 1
-square root of 27 - 3square root of 45-square root of 20+2square root of 45
algebra
Which has a larger perimeter ,a 20-inch by 32-inch rectangle or a 28-inch square
algebra
How would learning how to solve logical problems, help you in your real life?
algebra
Suppose that a quadratic equation had two x-intercepts. How could you use the intercepts to find the vertex?
algebra
When using the quadratic formula, why is only necessary to examine the discriminant to determine if the equation only has real number solutions?
algebra
When using the quadratic formula, why is only necessary to examine the discriminant to determine if the equation only has real number solutions?
college algebra
on a ship, the distance d that you can see to the horizon is given by d=1.5 square root h, where h is the height of your eye measured in feet above sea level and d is measured in miles. How high is the eye level of a navigator who can see 16 miles to the horizon? Round your ...
college algebra
A model rocket is launches upward with an initial velocity of 160 feet per second. The height, in feet, of the rocket t seconds after the launch is given by h=-16t^2+160t. How many seconds after the launch will the rocket be 290 feet above the ground? Round to the nearest ...
algebra II
A moving company charges a flat rate of $85 plus and additional $.17 per mile driven. How far must the company drive to earn @ least $100? Round to the nearest mile.
Algebra
A grandmother is looking for a plan to finance her new grandchild’s college education. She has $25,000 to invest. Search the internet and locate a long-range investment plan, CD, Savings Bond, etc, for the grandmother. The plan is to earn compound interest. Calculate the ...
Algebra 2
A bag contains 5 red, 9 white, and 10 blue marbles. Suppose you choose a marble from the bag and then choose another marble without replacing the first one. Find the probability of picking the same color both times.
algebra
could you please help me? john needs to earn $693 to pay for trip. he finds job that pays $7 per hour and he mows lawns for $9. an hour a. write an inequality describing his goal in terms of hours at his job, x, and hours mowing lawns, y . i wrote 7x + 9y = 693., is this ...
Algebra II
What is the simplified version of (2x^(-3)y^(2))^(-2) and (z^4)/(2z^3) Thanks!
algebra
find the slope of a straight line that passes through the given pair of points (5,6) and (-3,1)
Algebra 2
a bag contains 3 red marbles and 6 green marbles a marble is drawn and then replaced a second marble is drawn and replaced and then a third marble is drawn . What is the probability that a red marble is drawn all 3 times?
intense algebra
which value is the closest to 1/9.24/25 a. 0 b. 0.5 c. 1 d. 21/20
Algebra(please Proof Read
P(x)= -.1(100)^2 +50(100)+300= 3,700,000 P(x)= -.1(150)^2 +50(150) +300= 4,950,000 P(x)= -.1(250)^2 +50(250) +300= 5,950,000 P(x)= -.1(350)^2 +50(350) +300= 4,950,000 P(x)= -.1(450)^2 +50(450) +300= 1,950,000
Algebra
Identify any holes and vertical asymptotes of the graph of the equation y=6x^2-2/3x^2+17x+10 ?
College Algebra
Annual profit in thousands of dollars is given by the function, P(x) = -.1x2 + 50x - 300, where x is the number of items sold, x ¡Ý 0. 1.describe the meaning of the number -.1 in the formula 2.describe the meaning of the number -300 in the formula 3.find the ...
Algebra
Please Check these P(x)= -.1(100)^2 +50(100)+300= 3,700,000 P(x)= -.1(150)^2 +50(150) +300= 4,950,000 P(x)= -.1(250)^2 +50(250) +300= 5,950,000 P(x)= -.1(350)^2 +50(350) +300= 4,950,000 P(x)= -.1(450)^2 +50(450) +300= 1,950,000
algebra
5x^3y25x^2y
algebra
can you show work y +4}+ {y-3x 6} =92
Algebra 2
a bag contains 3 red marbles and 6 green marbles a marble is drawn and then replaced a second marble is drawn and replaced and then a third marble is drawn what is the probability that a red marble is drawn all 3 times?
Algebra 2
In a quiz program, 3 questions on sprots, 3 questions on general knowledge, and 4 questions on science are printed separately on 10 cards and placed upside down. John is asked to select 2 cards at random. What is the probability of Joohn selecting 2 questions on science?
algebra
Use scientific notation to divide the following two numbers. Express the answer using scientific notation; retain at least three decimal places. (6.2 · 10^7) / (4.15 · 10^3)
algebra
Annual profit in thousands of dollars is given by the function, P(x) = -.1x2 + 50x - 300, where x is the number of items sold, x ¡Ý 0. find the profit for 5 different values of x
Algebra
In 1994, the life expectancy of males in a certain country was 63.8 years. In 2001, it was 66.0 years. Let E represent the life expectancy in year t and let t represent the number of years since 1994. The linear function e(t) that fits the data is? Use the function to predict ...
algebra
parking lot had a length that is 7 yards greater than thre width. the area of the lot is 450 square yards. what is the length and width?
Algebra
Find the value of y so that the line passing through the two point has the given slope. (2,y) (4,5) m=5 (m=slope) how do you do this?
algebra
the number of people the school can hold is at most 200. how can i present this in inequality is this correct x=<200
algebra
the cost of renting a car is #22 a day plus 20 cents per mile. How far can May drive in one day if she only has $108?
algebra
what is 4x-15/2=1/2
algebra
I AM TRYING TO SOLVE A SYSTEM OF EQUATIONS BY GRAPHING AND CAN GET THIS ONE. 3x + y = 2 4y = 12 - 12x HOW DO YOU DO THIS?
Algebra
A rubber ball rebounds 3/5 of the height from which it falls. If it is initially dropped from a height of 30 ft. What total vertical distance does it travel before coming to rest?
algebra
could you please check my answer and show me correct way . thanks for your help solve the equation if pssible -3|6n-2| +5 = 8 note:: 6n-2 is abolute value 6n-2 is positive -3|6n-2| + 5 = 8 |6n-2| = 6 6n - 2 = 6 6n - 2 +2 = 6 + 2 divide by 6 n = 8/6 6n-2 negative -3|6n-2|+ 5...
algebra/functions
recent estimates indicate that the area covered by glaciers has decreased from over 25.5 km^2 in 1850 to about 16.6 km^2 in 1995. Let A=f(t) give the area t years after 2000, and assume that f(t)=16.2-0.062t. How much glacier area disappears in 15 years? MY WORK: 25.5-16.6 =8....
Algebra
Find all roots of 169/81 A.13,16,9 B.13/9-13/9 C.16,9 D.16/9-16/9
ALGEBRA
A chemist is asked to make 10 liters of a a35% solution. She has only a 10% solution and a 50% solution to work with. how much of each solution must she mix to ge 10 liters of the 35% solution?
algebra
what is 28 seconds over 2 minutes written in its simplest form
college algebra
Contract the expressions. That is, use the properties of logarithms to write each expression as a single logarithm with a coefficient of 1. ln(3)-2ln(4+8)
algebra
The half-life of 234U, uranium-234, is 2.52 105 yr. If 97.7% of the uranium in the original sample is present, what length of time (to the nearest thousand years) has elapsed?
algebra
7/9(w+6)=4/9-w
algebra 2
help me work this out f(x)=x^2-7x+9 x intercepts.
algebra 2
how do you solve 7x+x (x-4)=0 solution (s)/arex= find the x- intercepts of f(x)=7x+x(-4) what are the x intercepts
Algebra
Solve: 27/t-7=t+7/3
algebra
Find the equation using a slope-intercept form if possible.. x-intercept −1, y-intercept −2 I do not know how to start this.. HELP!
Algebra
Solve: 27/t-7=t+7/3
Algebra
the length of a rectangle is x inches and its width is 4 inches more than two thirds of its length. What is the perimeter of the rectangle in inches?
Math, Algebra I
A Parent sets up a bank account with $4000. The bank pays 8% interest. The Parent will put in $3000 every year till the child turns 18. I need the equation.
algebra
a cannonaball is fired stright up into the air at a speed of 80 ft/sec from a height of 2ft. A. when will the cannon ball be 98 ft in the air? B. when will the cannonball hit the ground?
algebra
factoring quadratics cubed. 54x^3-15x^2-6x
algebra
) Suppose a market research company finds that at a price of p = $30, they would sell x = 42 tiles each month. If they lower the price to p = $20, then more people would purchase the tile, and they can expect to sell x = 52 tiles in a month’s time. Find the equation of ...
algebra
y=1/2x-1
algebra
mary went to the store for some fruit. The apples were $1.00 per pound and the oranges were $0.50 per poumd. She spent $5,00 all together and took home a total of 8 pond of fruit. How many ponds of apples and oranges did she buy?
pre-algebra
what is $200 plus 8% commission?
math
at a local community college, it costs 150 to enroll in a morning section of an algebra course. Supopose that the varible n stands for the number of students who enroll. then 150n stands for the total amount of money collected for this course. how much is collected if 41 ...
Pre-Algebra
write an inequality that can be solved using the Division Property of Inequality, where the symbol is NOT reversed.
Pre-Algebra
Montel spends $0.75 every time he plays his favorite video game. Montel has $10. write and solve an inequality that shows how many times Montel can play the video game.
algebra 2
Find the largest integer k such that the polynomial x2 + 12x + k can be factored into the product of two linear polynomials, each of which has integral coefficients
Algebra 1 Honors
A diver is working 10 feet below the surface of the water. The gap between the water and the deck of his support barge is 1/8 of the total legnth of the air hose , and 3/4 of the total legnth remains on the reel. What is the maximum working depth without a change of equiptment...
pre algebra
What is -7 - 8? I don't know how to solve this... please help!
algebra
after solving a rational equation, why is it important to check your answer? How is this done? What happens if you are checking a solution for the rational expression and find that it makes one of the denominators in the expression equal to zero?
algebra
r/3+7=-4?
algebra
2012 with a power of 2012
Algebra
Solve 1/3(3x-6)^3+4<13
Algebra II
Working on my online math homework, I encountered this problem: Solve: (3x^-1 y^-2)^-2 (x^2 y^5)^-1 [[Spaces denote the end of the exponent.]] Because of the law of exponents that deals with negative exponents, I did the reciprocal and distributed the exponent, getting (1/3x^2...
College Algebra
9x^-4-35x^-2-4=0
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