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Slav-nsk [51]
2 years ago
11

4.5x + 9 -1/2x = -3.75 +5 1/2 + 5.25

Mathematics
1 answer:
Butoxors [25]2 years ago
6 0

Answer:

x = -1/2 = -0.5

Step-by-step explanation:

4.5x + 9 -1/2x = -3.75 +5 1/2 + 5.25

⇔ (4 1/2 - 1/2)x + 9 = (5 1/2 + 5 1/4) - 3 3/4

⇔ 4x + 9 = 10 3/4  - 3 3/4

⇔ 4x + 9 = 10 - 3

⇔ 4x + 9 = 7

⇔ 4x = 7 - 9

⇔ 4x = -2

⇔ x = -2/4

⇔ x = -1/2

⇔ x = -0.5

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Answer:

(2,-2)

Step-by-step explanation:

y=-4x+6

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plug the y's in for each other to get:

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7 0
3 years ago
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kipiarov [429]

Answer:

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Step-by-step explanation:

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Divide both sides by πr to make l stand alone

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<h3>\frac{\pi \:rl}{\pi \: r}  =  \frac{s - \pi \:  {r}^{2} }{\pi \: r}</h3>

We have the final answer as

<h3>l =  \frac{s - π {r}^{2} }{πr}</h3>

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