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omeli [17]
3 years ago
7

8(2 - 6v)+19= -61 Pls solve this step by step and explaining

Mathematics
1 answer:
ehidna [41]3 years ago
7 0

distribute 8 into 2 and -6v which would give you

36 - 48v + 19 = - 61

add like terms which would be 36 and 19

55 - 48v = - 61

then subtract 55 from -61 because they are on opposite side of the equal sign

- 116 = - 48v

divde

2. 416 with 6 repeating

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Identify which of the twelve basic functions listed below fit the description given. The three functions that are bounded above.
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Step-by-step explanation:

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4 years ago
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Fiesta28 [93]
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3 years ago
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gtnhenbr [62]

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Does anyone know how to solve this? It’s really starting to stress me out.
bekas [8.4K]

Answer:

π − 12

Step-by-step explanation:

lim(x→2) (sin(πx) + 8 − x³) / (x − 2)

If we substitute x = u + 2:

lim(u→0) (sin(π(u + 2)) + 8 − (u + 2)³) / ((u + 2) − 2)

lim(u→0) (sin(πu + 2π) + 8 − (u + 2)³) / u

Distribute the cube:

lim(u→0) (sin(πu + 2π) + 8 − (u³ + 6u² + 12u + 8)) / u

lim(u→0) (sin(πu + 2π) + 8 − u³ − 6u² − 12u − 8) / u

lim(u→0) (sin(πu + 2π) − u³ − 6u² − 12u) / u

Using angle sum formula:

lim(u→0) (sin(πu) cos(2π) + sin(2π) cos(πu) − u³ − 6u² − 12u) / u

lim(u→0) (sin(πu) − u³ − 6u² − 12u) / u

Divide:

lim(u→0) [ (sin(πu) / u) − u² − 6u − 12 ]

lim(u→0) (sin(πu) / u) + lim(u→0) (-u² − 6u − 12)

lim(u→0) (sin(πu) / u) − 12

Multiply and divide by π.

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π lim(u→0) (sin(πu) / (πu)) − 12

Use special identity, lim(x→0) ((sin x) / x ) = 1.

π (1) − 12

π − 12

3 0
3 years ago
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