How can you use 9×5 to find 9×7? show work
Answers
Answered by
5
Answer:
well u can just add to 5 witch is 2
Step-by-step explanation:all you have to do is add 5+2=7 and 9x7 is 63
Answered by
10
Answer:
nth term of A.P 9,7,5....=a+(n−1)d
⇒9+(n−1)−2
⇒9−2n+2⇒11−2n
nth term of A.P 15,12,9,....=a+(n−1)d
⇒15+(n−1)−3
⇒15−3n+3⇒18−3n
∴11−2n=18−3n
⇒3n−2n=18−11
⇒n=7
Step-by-step explanation:
7 is the correct answer
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