X + 9/7 = 10
- 9/7 -9/7
___________
x = 8 2/7
Each tweet would cost between 1 and 140 pennies you can write that as an inequality [1 ≤ x ≤ 140] Since you can't tweet 0 characters or above 140.
if you want to change it to pounds divide by 100.
A) 1 ≤ x ≤ 140
B) Each character costs a penny, you can't tweet less than 1 character or above 140.
The square root of .25 is rational because it is a terminating decimal.
√(.25)=05
The equation (1•2)^72 (72 20 minute periods in a day) would produce way more than 5 billion a day
Answer:
4
Step-by-step explanation:
2 x 4 = 8
4 x 4 = 16
So SF = 4 (enlargement)