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borishaifa [10]
3 years ago
15

What is :

+ 9a + 4b + b =" alt="7a + 8b + 9a + 4b + b =" align="absmiddle" class="latex-formula">
Mathematics
2 answers:
AlekseyPX3 years ago
7 0

Answer:

16a + 13b

Step-by-step explanation:

7a + 9a = 16a

Remember: a number without coefficent is 1

8b + 4b + b = 13b

Neporo4naja [7]3 years ago
4 0

Answer: 16a + 13b

Step-by-step explanation: combine like terms:

7a + 9a

8b +4b +b

= 16a + 13b

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The 21st, 37th and 56th term of an A.P. are consecutive terms of a G.P. Find the common ratio of the G.P.​
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just use what you know about this stuff

(a+36d)/(a+20d) = (a+55d)/(a+36d)

(a+36d)^2 = (a+55d)(a+20d)

a^2+72ad+1296d^2 = a^2+75ad+1100d^2

3ad = 196d^2

3a = 196d

That is, for any value of n,

a=196n

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So, there is no unique solution.

If n=1, then a=196 and d=3. The terms are

196+20*3 = 256

196+36*3 = 304

196+55*3 = 361

304/256 = 361/304

You can easily verify that it works for any value of n.

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B. The number of possible pizzas that can be made with 12 possible toppings.


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What is the following product? (2 square root 7+3 square root 6)(5 square root 2+4 square root 3)
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Hi again fjdkdngiskd​
amm1812

Answer:

x = -27

Step-by-step explanation:

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