6x + 10y =-80
Subtract 6x from both sides
10y = -6x -80
Divide both sides by 10
Y = -6/10x - 8
Y= -3/5x -8
Answer:it’s 14
Step-by-step explanation:
Cuz it is
250/1.9 = 131.6
131.6 x 4.94 = 650.1
The actual distance is 650.1 miles
Hope this helps x
Answer:
48
Step-by-step explanation:
it will travel 48 m in 3 sec
Answer:
1330 rounds of meetings
Step-by-step explanation:
You have a total of 21 people, and they all want to meet with each other in groups of 3. This means we are dealing with a combination problem, where combination is the selection of items in which order does <em>not</em> matter.
Formula for combination:
ₙCᵣ =
where <em>n</em> is the total number of objects (in this case, total number of people: 21), and r is the sample set (in this case, groups: 3).
We plug in and get:
->
-> 1330 different meetings for everyone to meet with each other in groups of 3.