19,167 Answered Questions for the topic Algebra

09/20/21

Piecewise linear functions
Derek earns $25 per hour (or part of an hour) for a regular 40-hour work week. Sometimes, he works over 40 hours a week and earns “double time” for the extra hours worked. (That means that his... more
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Algebra Maths Mathematics

09/20/21

Ted is packing boxes. He packs 88 boxes in 8 hours. Since he is getting better, each hour he packs 4 more boxes than the previous hour. How many did Ted pack in the 2nd last hour?
Complete using algebra if able.
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Algebra

09/20/21

An earthquake could be felt over a circular area of 285,000 square miles. Up to how many miles from the epicenter (that is, the radius of the circular area) could the earthquake be felt?
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09/20/21

Piecewise linear functions
Derek earns $25 per hour (or part of an hour) for a regular 40-hour work week. Sometimes, he works over 40 hours a week and earns “double time” for the extra hours worked. (That means that his... more
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09/20/21

Help me solve this problem
A department store buyer purchased some shirts for $540. Then she sold all but eight of them. On each shirt sold, a profit of $6 (over the purchase price) was made. The shirts sold brought in... more
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09/19/21

Help Me with this problem! Please
A freight train requires 2.5 hours longer to make a 300-mile journey than an express train does. If the express train averages 20 miles per hour faster than the freight train, how long does it take... more
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Algebra

09/19/21

I cant seem to solve this
A 16​-inch board is to be cut into three pieces so that the second piece is 3 times as long as the first piece and the third piece is 4 times as long as the first piece. If x represents the length... more
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Algebra

09/19/21

How much of an alloy that is 40% copper should be mixed with 600 ounces of an alloy that is 70% copper in order to get an alloy that is 60% ​copper?
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Algebra

09/19/21

Two Linear Equations
A Broadway performance of The Lion King had a paid attendance of 387 people. Mezzanine tickets cost $70 and orchestra tickets cost $95. Ticket sales receipts totaled $30, 965. How many tickets of... more
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09/18/21

Help Answer this problem
A freight train requires 2.5 hours longer to make a 300-mile journey than an express train does. If the express train averages 20 miles per hour faster than the freight train, how long does it... more
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09/18/21

PQRS is a rectangle with vertices P(-3,2) and Q(-1,-5) and PQ=2(QR). Find all possible coordinates of R and S
HELP! DUE TODAY!
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Algebra

09/18/21

How to solve and find the answers
A video game system and several games are sold for $664. The cost of the game is 3 times as much as the cost of the system. Find the cost of the system and the cost of the games.
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Algebra

09/17/21

Algebra equation question
find the solution set of the equation ( x + 9 )² = ( x + 9 )please help me understand it
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Algebra

09/17/21

Huck can paint the fence in 4 hours. if tom helps, together they will finish in 1.5 hours. How long would it take Tom to paint the fence alone.
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09/17/21

Water heater math problem

 A solar water heater costs about $6240 to install (after rebates). A traditional gas water heater costs about $850, and costs about $320 per year to run. The average annual cost to run the solar... more
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Algebra Math Pre Calculus

09/17/21

I feel like I've tried everything but the price is never right!
A dozen roses cost $7.99. Grant wants to buy 20 roses. What’s a fair price to charge?
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09/17/21

A water heater problem

 A solar water heater costs about $6240 to install (after rebates). A traditional gas water heater costs about $850, and costs about $320 per year to run. The average annual cost to run the solar... more
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09/16/21

Please Help With Problem

P^4 - 13p^2 + 40
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09/16/21

Please Help With Problem

P^4 - 13p^2 + 40 please help with problem
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09/16/21

Please Help With Problem
P^2 q - pq^2 - rp^2 q + rpq^2
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Algebra Math

09/16/21

The weight of meteorite A is 2 times the weight of meteorite B. If the sum of their weights is 57 ​tons, find the weight of each.
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Algebra

09/16/21

Twice the difference of 9 and a number.
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Algebra

09/16/21

What is this answer?
Find a linear function​ h, given h(4​)=−4 and ​h(−2​)=14. Then find ​h(7​).
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09/16/21

Recursive sequence
If a1 = 7 and an = an-1-4 then find the value of a6
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09/15/21

I need help with this problem, I tried it but my answer doesn't seem right
A wooden board measuring 130 feet is cut into three pieces. There are 2 smaller pieces of wood that are each the same length, and one larger piece that is 10 feet longer than one of the smaller... more
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