Answer:
40/9
Step-by-step explanation:
Use the work formula, + = , where A is the amount of time it takes one person, B is the amount of time it takes another person, and T is the time it takes for them to work together.
Plug in the times for David and Alex alone:
+ =
Find the least common denominator, which is 40.
+ =
=
Cross multiply and solve for T:
9T = 40
T = 40/9
So, if they worked together, it would take them 40/9 hours
Answer:
186.6
Step-by-step explanation:
Based on the given conditions, formulate: 91 ×tan 64°
Calculate the approximate value: 91×2.050304
= 186.577664
Round the number: 186.6
186.6
1. Definition of bisector
2. ASA congruence theorem or ASA Postulate
Answer:
you fill it 3 times
Step-by-step explanation:
1/4 * 3 = 3/4