First you need to subtract both numbers and then, add them up. You'll receive e.g. 6-4=2 and 6+4=10, then just type them one after another, which will give you 6+4=210.
Answer:
the first should be a valid generalization should be sample 3, the least likely I think is the one you chose, and then I'm pretty sure you got the next, and the one after that right
Answer: 20km/h
Step-by-step explanation:
20km/h. Simply average 15 and 25 by doing (15+25)/2
Hope it helps <3
Answer:
Step-by-step explanation:
1) the temperature rise, because 8.5 is C higher than 0 C
2) 8.5 - 0 = 8.5
So it rised by 8.5 degrees ( to know how many dgrees is is rised subtract the second number from the first number)
Answer:
∠RST = 4x - 6
Step-by-step explanation:
Since SQ bisects ∠RST then
∠RSQ = ∠QST = 2x - 3 and
∠RST = ∠RSQ + ∠QST = 2x - 3 + 2x - 3 = 4x - 6