Answer:
Step-by-step explanation:
If the jacket was discounted at 25%, that means that you get 25% off, right? What it also means is that you are still paying 75%. To get to the price of the jacket on sale, multiply the price of the jacket by 75% (as a decimal):
290(.75) = 217.50
That's the price of the jacket when it is 25% off the original price. If Arianna got an additional 10% off that price, that means she got 10% off but is still paying 90%. To get to the final price that she paid, multiply the sale price of the jacket by 90% (as a decimal):
217.50(.90) = 195.75
That's what she paid in the end for the jacket (i guess not counting tax...?)
Step-by-step explanation:
8x+3x-15-5x+20
6x+5
I think correct answer is 6x+5
A = L * W
L = 3x + 5
W = x - 2
A = (3x + 5)(x - 2)
A = 3x(x - 2) + 5(x - 2)
A = 3x^2 - 6x + 5x - 10
A = 3x^2 - x - 10 <====
Answer:
3 2/3 inches (the last one)
The key thing to remember when you're working a problem like this is that
the cube has no memory ... it doesn't know what happened on the last roll,
so the chance of any particular thing happening on the 2nd roll, or on the
100th roll, is the same as it was on the first roll.
Probability of success = (number of ways to succeed) / (total possibilities)
Number of ways for a 4 to come up . . 1
Total possible results of the roll . . . . . 6
Probability of rolling a 4 . . . . . 1 / 6 .
Probability of rolling two 4s . . . (1/6) x (1/6)
Probability of rolling three 4s . . (1/6) x (1/6) x (1/6) = 1/216 = about <em>0.46%</em> .
