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2 years ago

What is the result when 12a + (-8b) is subtracted from 24a + 10b

Mathematics

1 answer:

Sever21 [200]2 years ago

7 0

Hello from MrBillDoesMath!

Answer:

12a + 18b

Discussion:

The question asks us to calculate

24a + 10 b - (12a - 8b) => (combine common terms)

(24a - 12a) + ( 10b + 8b) => ( as - (-8b) = + 8b)

12a + 18b

Regards,

MrB

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3 years ago

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The first 3 terms of the sequence $t(n)=-2n+7$ are:

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Step-by-step explanation:

Given the sequence

$t(n)=-2n+7$

Here $n$ represents any term number in the sequence

Determining the first term

substitute n = 1 in the sequence to determine the first term

$t(n)=-2n+7$

$t(1)=-2(1)+7$

$t(1)=-2+7$

$t(1) = 5$

Determining the 2nd term

substitute n = 2 in the sequence to determine the 2nd term

$t(n)=-2n+7$

$t(2) = -2(2) + 7$

$t(2) = -4 + 7$

$t(2) = 3$

Determining the 3rd term

substitute n = 3 in the sequence to determine the 3rd term

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$t(3) = -2(3) + 7$

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Therefore, the first 3 terms of the sequence $t(n)=-2n+7$ are:

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