An equivalent expression would be 2x+4
Answer:2
Step-by-step explanation: two 1 equal one 2
Answer:
96
Step-by-step explanation:
9514 1404 393
Answer:
a. (-1/2, 5)
Step-by-step explanation:
The coefficients of x have opposite signs, so the x-terms can be eliminated by adding the two equations.
(2y -12x) +(3y +12x) = (16) +(9)
5y = 25 . . . . . . simplify
y = 5 . . . . . . . . .divide by 5
This matches only answer choice A.
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<em>Check</em>
The other part of answer choice A is x = -1/2. We can test this to make sure it works:
2(5) -12(-1/2) = 16
10 + 6 = 16 . . . . . . true, the selected answer works OK
First apply 20% discount then applied $15 coupon combination gives better deal.
As given in the question,
Let final cost of the shoes be $100
First apply $15 coupon then applied 20% discount
100-15=$85
Now, 20% of 85= (20/100) × 85
=$17
Final price, 85 - 17 =$68
First apply 20% discount then applied $15 coupon
Now, 20% of 100= (20/100) × 100
=$20
100-20 = $80
Apply coupon $15
Final price, 80 - 15 =$65
Therefore, first apply 20% discount then applied $15 coupon combination gives better deal.
Learn more about discount here
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