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3 years ago

If a÷ b= 13r1 what is a and b

Mathematics

1 answer:

e-lub [12.9K]3 years ago

4 0

Answer:

28 and 2

Step-by-step explanation:

you could add 13 and the remainder, 1 to get 14.

Then think of multiples of 14.

28 is one of them. 28/2 = 14

I hope that helped!

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alex41 [277]

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$b = 9 {n}^{2} + 7$

$a = 3n + 4$

-----------------------------------------------------------

${a}^{2} = ( {3n + 4})^{2}$

${a}^{2} = 9 {n}^{2} + 24n + 16$

________________________________

$b = 9 {n}^{2} + 7$

$b = 9 {n}^{2} + 24n - 24n + 7 + 9 - 9 \\$

$b = (9 {n}^{2} + 24n + 16) - 24n - 9 - 23 + 23 \\$

$b = (9 {n}^{2} + 24n + 16) - (24n + 32) + 23 \\$

$b = ({3n + 4})^{2} - 8(3n + 4) + 23$

$b = {a}^{2} - 8a + 23$

Thus the correct answer is ( B ) .

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3 years ago

If a÷ b= 13r1 what is a and b​

If a÷ b= 13r1 what is a and b