4 years ago

Simplify the expression: 8(c-5)

Mathematics

1 answer:

Dimas [21]4 years ago

7 0

Answer: 8+(-40)

Step-by-step explanation:

You’re using distributive property you would multiply 8 and c which equals 8 because c=1 and then you would multiply 8•(-5) which would be -40 so your answer would be 8+(-40)

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Answer:

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Step-by-step explanation:

Note the common difference d between consecutive terms of the sequence

d = - 1 - (- 4) = 2 - (- 1) = 5 - 2 = 8 - 5 = 3

This indicates the sequence is arithmetic with sum to n terms

$S_{n}$ = $\frac{n}{2}$ [ 2a₁ + (n - 1)d ]

Here a₁ = - 4, d = 3 and n = 90, thus

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What is the answer to 8=56, 7=42, 6=30, 5=20, 3=?

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