chris is making a table top.feom some leftover tiles.he has 9 tiles that measures 3 1\8 inches long and 2 3\4 inches wide.what i
s the area he can cover with theaae tiles.? HELP FAST.PLEASE I NEED AWSER FAST PLEASE PLEASE PLEASE AND IF YOU ANSER TELL ME WHATTHE AWSER AND WHAT I NEED TO TO DO GET THE AWNSER PLEEEEEEASE YOU HAVE NO IDEA HOW I NEED HEEELP is the morning and i need to go to schoool at 7:30am pleaaaase heeeeelp
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Answer:
Step-by-step explanation:
Easy way to do this is step by step. Your quadratic, from your entry, must be
.
Step by step looks like this, one thing at a time:
becomes
becomes
and this of course is
Do the same with the subtraction sign to get the other solution.
If you're unsure of how to enter it into your calculator, do it step by step so you don't mess up the sign. If you enter it incorrectly, you could end up with an imaginary number when it should be real, or a real one that should be imaginary.
Just my advice as a high school math teacher.