Answer:
17,070
Step-by-step explanation:
Continue to move the decimal point to the right, and it adds a zero when the decimal places are all taken.
The first thing you should do is to<span> divide the total cost by the unit cost you have got: </span><span>(2y^2 + 6) / (y^2 - 1) </span>
Then just use simple math by plugging in the value y=3
(2*3²+6): (3²-1)= 24:8 = 3 which is the nubmer of the bought notebooks.
<span>In total he spent $24 on notebooks that cost $8.</span>
Answer: D
Step-by-step explanation:
Please mark brainliest! And give thanks!
{2x - y = 5
{3x + 2y = -3
*2x - 5 = y
3x + 2 (2x - 5) =-3
The answer Is a
Answer:
$14.40
Step-by-step explanation:
If you received 25% off then you paid 75% of the price. To find the original price, write a proportion.
Solve by cross multiplying.
75y = 1080
y = 14.4