Susan has 9 books
Step-by-step explanation:
- Step 1: Given the relationship between the number of books that Susan and Marge has, find x.
4 + 2x = 22
2x = 18
x = 18/2 = 9
⇒ Number of books that Susan has is 9
Answer:
1.827 x 10^-23
Step-by-step explanation:
(1.994 x 10^-23) - (1.67 x 10^-24) = 1.827 x 10^-23
It would be: 2/5 /2 = 2/10
so your answer is 2/10
Answer:
C
Step-by-step explanation:
2.2-2.5
Since a + and a - make a minus if we have 2.2+(-2.5) we would get 2.2-2.5. So C is the anwser.
Answer:
Option 2
Step-by-step explanation:
The account balance multiplier for the compound interest option is ...
(1 +r)^t = 1.05^8 ≈ 1.477455
The account balance multiplier for the simple interest option is ...
(1 +rt) = 1 +0.06·8 = 1.48
Jadwa should choose option 2 for this investment. It will earn about £5.09 more in interest over the 8-year period.
_____
£2000 · (1.48 -1.477455) ≈ £5.09
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In the above formulas, r is the interest rate, and t is the number of years.
