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3 years ago

Write 10ab + 15b in factored form.

Mathematics

2 answers:

Mazyrski [523]3 years ago

7 0

Answer:

Step-by-step explanation:

from this equation you can see that you can pull out a 5b from the equation. This would give you

5b(2a+3)

As you can see, you can't go any further. To check yourself and make sure the equation is factored correctly, you can distribute 5b back into 2a and 3. This will leave you with the original equation, 10ab+15b. Good luck!

Evgen [1.6K]3 years ago

3 0

Answer:

5b(2a+3)

Step-by-step explanation:

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4 years ago

Read 2 more answers

A sequence is defined by the explicit formula an=3n+4 Which recursive formula represents the same sequence of numbers?

fomenos

Answer:

Option (3)

Step-by-step explanation:

Explicit formula of the sequence is,

$a_n=3^n+4$

From this explicit formula,

First term of the sequence will be,

$a_1=(3^1)+4$

$a_1=7$

Second term of the sequence,

$a_2=(3^2)+4$

$a_2$ = 13

3rd term of the sequence,

$a_{3}=(3^3)+4$

= 31

Sequence formed,

7, 13, 31 ..........

From the given options,

Recursive formula,

$a_n=3a_{n-1}-8$

$a_2=3(a_1)-8$

$a_2=3(7)-8$

$a_2=21-8$ = 13

$a_3=3a_2-8$

$a_3=3(13)-8$

= 39 - 8

= 31

Sequence formed from this recursive formula will be,

7, 13, 31........

Therefore, Option (3) will be the answer.

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4 years ago