Mathematics, 12.10.2019 12:20 violetvinny
Can someone asap i can't figure this out and i lost my notes
the following is a student solution to the inequality
5/12-(x-3)/6≤(x-2)/3
5/12-2/2*(x-3)/6≤4/4*(x-2)/3
5/12-(2x-6)/12≤(4x-8)/12
5-2x-6≤4x-8
-1-2x≤4x-8
-6x≤-9
x≥3/2
there are two mathematical errors in this work. identify at what step each mathematical error occurred and explain why it is mathematically incorrect.
the first mathematical error occurred going from line to line
why it is incorrect:
the second mathematical error occurred going from line to line
why it is incorrect:
solve the inequality correctly.
question 2(5 points) same solutions?
which of the following equations have the same solution? give reasons for your answer that do not depend on solving the equations.
-(7-4x)=9
12=-4(-6x-3)
5x+34=-2(1-7x)
14=-(x-8)
-8=-(x+4)
x+5=-5x+5
Answers: 2
Mathematics, 21.06.2019 18:00
Someone answer this asap rn for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =
Answers: 2
Mathematics, 21.06.2019 18:30
The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.
Answers: 1
Mathematics, 21.06.2019 23:00
Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.
Answers: 2
Can someone asap i can't figure this out and i lost my notes
the following is a student solu...
the following is a student solu...
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