4.) Mrs. Di Lorenzo is sick and must take 1/2 ounce of her medicine every day. The medicine bottle holds a
total of 8 ounces. How many 1/2 ounces are in the 8
ounce medicine bottle?

16

Step-by-step explanation:

This can be modeled by a division expression. You start with 8 ounces and you want to split it up into 1/2 ounces: When you divide by fractions, you are multiplying by its multiplicative inverse (1/fraction) You get 8*2 and the answer is 16.

225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225

answer: about 22.67

step-by-step explanation: