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Nikitich [7]
3 years ago
6

I had 150 pencils at the start of the year. I now only have 120 pencils. What

Mathematics
1 answer:
Ksju [112]3 years ago
6 0
20% decrease Z z. Z xx. X
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The cost of a student ticket to the school play is $7. Write an equation that correctly relates the total cost, c, for a particu
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The answer is:

c = 7s

The Independent Variable is: s
The Dependent Variable is: c
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Please help if the answer is correct you will get 5 stars :)
alukav5142 [94]

Answer:

40

Step-by-step explanation:

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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.

lim(u→0) (π sin(πu) / (πu)) − 12

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
Write a word phrase for p - 4
andrew11 [14]
Four less than p.
Is that correct?
8 0
3 years ago
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What equation would u use for the one that says find the distance
sladkih [1.3K]
You would use the distance formula

Hope this helped
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3 years ago
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