He typed faster the second time because if you multiple 60 minutes by 1/10 and 1/12 of and hour separately, you get a smaller answer with 1/12 than by 1/10, and thereby a smaller answer.

Hope this helps!

5 0

3 years ago

Which answer correctly estimates the product of 79.623 × 4.83?

mamaluj [8]

The answer to this is 384.57909

6 0

4 years ago

Circles C, B, and P overlap. Circle C contains 9, circle B contains 11, and circle P contains 7. The overlap of circles C and P

Tpy6a [65]

9514 1404 393

Answer:

63 in the class
(C+B)P' = 25
(C+B+P)' = 18

Step-by-step explanation:

The number of students in the class is the total of all numbers on the diagram:

9 +5 +11 +6 +3 +4 +7 +18 = 63 . . . students in the 2015 senior class

Students taking Chem or Biology, but not Physics are those in the colored area, excluding those in the green:

9 +5 +11 = 25 science students not taking Physics

Students not taking science are those outside the colored areas:

18 students are not taking science

6 0

3 years ago

Read 2 more answers