Which of the following groups of numbers are all prime numbers? A. 2, 5, 15, 19 B. 7, 17, 29, 49 C. 2, 3, 5, 9 D. 3, 11, 23, 31
Ivanshal [37]
Some prime numbers
2,3,5,7,11,13,17,19,23,29,31
just try to divide by those and if you an, then it isn't prim
A. 15/3=5 so not prime
B. 49/7=7, not prime
C. 9/3=3 not prime
D. all prime
answe ris D
Answer: 90° or 75°
Step-by-step explanation:
the angle looks like a right angle and a right angle is 90°
D. 24.84KM/H
Because 6.9m/s x 1KM/1000m x 3600s/1h = 24.84KM/H
Answer: 4
Step-by-step explanation:
The sum of 12 and 8 is 12 add 8 which is 20. The difference between 12 and 8 is 12 minus 8 which is 4.
I don't know if this is right but if it is not tell me plz.
:) Thx
Do 7.50 times 4 and you get 30 so it’s 30