In a survey of 1,200 people who owned a type of car 660 said they would buy the same car again
1 answer:
Answer:
its 1,200 - 660= 540
Step-by-step explanation:
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X = 2. Here’s a link; https://www.tiger-algebra.com/drill/(7x-5)_5=14/
Answer:
<h3>Part A</h3>
- d(n) = n(n + 1)/2
- n = 1 ⇒ d(1) = 1(1 + 1)/2 = 2/2 = 1, proved
<h3>Part B</h3>
- d(k) + (k + 1) =
- k(k + 1)/2 + (k + 1) =
- [k(k + 1) + 2(k + 1)]/2 =
- [(k + 1)(k + 1 + 1)]/2 =
- d(k + 1)
Answer:
B hope it helps
Step-by-step explanation:
