3 years ago

Is the following sequence arithmetic? If so, identify the common difference.

Mathematics

1 answer:

melisa1 [442]3 years ago

4 0

Answer:

D(Yes;-5) is correct.

Step-by-step explanation:

Let's check 2 consecutive numbers

A(1) = 18

A(2) =13

=> common difference=A(2)-A(1) = 13-18 =-5

(Also, we see A(4)-A(3) = A(3)-A(2) =-5)

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Answer:

n > 17

Step-by-step explanation:

Add 3 on both side: n - 3 + 3 > 14 + 3

--> n > 17.

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Simplify -4b+(-9k)-6-3b+12

andre [41]

$\boxed{-7b-9k+6}$

<h2>Explanation:</h2>

We have the following expression:

$-4b+(-9k)-6-3b+12$

First of all, we need to open parentheses:

$-4b-9k-6-3b+12$

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3 years ago

Type the expression that results from the following series of steps

Naddika [18.5K]

Answer:

(y-d) × a + c

Step-by-step explanation:

You start with y:

subtract d:

y-d

multiply by a:

(y-d) × a

then add c:

(y-d) × a + c

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2 years ago

On Jared's math test, each incorrect answer received the same amount of negative points. If he answered three questions incorrec

Arada [10]

Answer:

-4

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Step-by-step explanation:

-12/3 = -4

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Copies of a famous painting were created at the local art museum for visitors to purchase. The copies had a 30% smaller area tha

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Answer:

12.6 square feet

Step-by-step explanation:

So first we set it up:

18ft is 100% of the original

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