First think out the equation, once you've done that multiply 3 by 25 to get 75
Answer:
yes
Step-by-step explanation:
because 9-1=8/2 equals 4 so2x4+1=9
Answer:
lower bound: 315 litres
upper bound: 324 litres
Step-by-step explanation:
The following rules apply:
- if the last digit of the number is 1, 2, 3, or 4; it is rounded down
- if the last digit of the number is 5, 6, 7, 8, or 9.
; it is rounded up
So:
314 is rounded to 310
315 is rounded to 320
324 is rounded to 320
325 is rounded to 330
Step-by-step explanation:
p^2+2p=63
p^2+2p+1^2=63+1^2
p^2+2p+1=64
(p+1)^2=64
p+1=8
p=8-1
p=7