Answer:
20. Which of the following is the correct first step to solve 5x2 – 20x = -15 by completing the square?
O Divide all terms by 5. this is the answer
O Divide all terms by -5.
Add 15 to both sides.
Add 100 to both sides.
5%
Step-by-step explanation:
2(books)*$3.50=$7.00
4(books)*$5.25=$21.00
Total bill=$34.00
$34.00-($7.00+$21.00)=$6.00
The 3 books was sold for $6.00 but its original selling price is $6.00*2 which is $12.00 reason being the books was sold for half the original price.
Answer:
Bailey: 16%
Coco: 28%
Ginger: 32%
Ruby: 24%
<em>I hope this helps!</em>
Answer:
-1.1
Step-by-step explanation:
3.1 - 1.3 = t + 2.9
t = 3.1 - 1.3 - 2.9
t = -1.1
There are 13 students in the class. p = probability
p 1st girl is 6/13
p 2nd girl is 5/12
p 3rd girl is 4/11
p 4th girl is 3/10
p 1rst boy is 7/9
p of 2nd boy is 6/8
p of 3rd boy is 5/7
p of 4th boy is 4/6
p of 5th boy is 3/5
p of 6th boy is 2/4
I multiplied all of the fractions above (cancelling wherever I could and again to check my work I reduced fractions that could be and cancelled again) and I got
1/572