3 years ago

What is the answer? 102,39,or 78

Mathematics

1 answer:

Anon25 [30]3 years ago

7 0

102 because it’s kind of like a 180 but not I’m direct form

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BlackZzzverrR [31]

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3 years ago

Can someone explain me this one

JulsSmile [24]

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Write the first five terms of the sequence defined by the explicit formula

denis-greek [22]

Answer:

The correct answer option is: 19, 13, 3, -11, -29.

Step-by-step explanation:

We are given the following explicit formula for an arithmetic sequence:

$a_n=21-2n^2$

So to find the first five terms of this sequence, we will substitute the values of $n$ (num here in the given formula:

$a_1=21-2(1)^2\\\\a_1=19$

$a_2=21-2(2)^2\\\\a_2=13$

$a_3=21-2(3)^2\\\\a_3=3$

$a_4=21-2(4)^2\\\\a_4=-11$

$a_5=21-2(5)^2\\\\a_5=-29$

Therefore, the first five terms of the sequence defined by the explicit formula $a_n=21-2n^2$ are 19, 13, 3, -11, -29.

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3 years ago

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Find a value for each variable: 1. -3(x – 7) – 11 = 28

11111nata11111 [884]

Answer: x=-6

Step-by-step explanation: I gtg to my next hour so cya

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3 years ago

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What is the perimeter of a square with s = 8 centimeters?

andrew11 [14]

Answer:

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Step-by-step explanation:

4 sides are in a sqaure and all of them are equal so

8 times 4 is 32

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3 years ago