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ryzh [129]
3 years ago
13

PLS HELP ASAP PLS PLSPLS What is the explicit formula for this sequence? 6, 2, -2, -6, ...

Mathematics
1 answer:
Marysya12 [62]3 years ago
5 0

Answer:

B

Step-by-step explanation:

this is just common sense. if you would have tried you could have easily answered this yourself.

the sequence starts with 6. that is a1.

so, the formula simply has to add "something" to 6.

therefore, A and D are out.

and then we see immediately that the sequence is built by subtracting 4 (or adding -4) for every step.

so, we need to add multiples of -4.

therefore, only B is correct (C adds multiples of +4).

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OleMash [197]

Answer:

X=45

Step-by-step explanation:

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5 0
3 years ago
Which pair of equations represents two perpendicular lines? Option A: -3x +2y = 10 and 3y = 2x +12 Option B: 2x + 5y = 45 and y
jek_recluse [69]
For the equation of the line expressed as Ax + By + C = 0, the value of the slope (m) is calculated by -A / B. For perpendicular lines, the slope of one should be the negative reciprocal of the other. From the choices given, the lines that are perpendicular is Option A. 
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For the system of equations:<br> -4s + 2t = -5<br> 8s - 6t=7<br> What is the value of s?
dedylja [7]

Answer:

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Step-by-step explanation:

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2 years ago
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