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MrMuchimi
2 years ago
6

5x+6y+4, 3x+7z+6, and t+6h+2s+5​

Mathematics
1 answer:
Gelneren [198K]2 years ago
6 0

Answer:

1st x=66y

2nd x=35z

3rd 6h+2s+t+5

Step-by-step explanation:

MArk BRAINLIEST FOR 4 MATH ALGEBRA CALCULATORS

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Lina20 [59]

Answer:

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Step-by-step explanation:

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3 years ago
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A theater seats 2,816 people. The first row has 26 seats while the last row has 150 seats. Assuming the number of seats per row
wolverine [178]

Answer:

The theater has 32 rows

Step-by-step explanation:

The rule of the sum of n terms of an arithmetic sequence is S_{n} = \frac{n}{2} (a + l), where

  • a is the first term
  • l is the last term
  • n is the number of the terms

∵ The number of seats per row follows an arithmetic sequence

∵ The first row has 26 seats

∴ a = 26

∵ The last row has 150 seats

∴ l = 150

∵ The theater seats are 2,816

∴ S_{n} = 2,816

→ Substitute these values in the rule of the sum above to find n

∵ 2,816 = \frac{n}{2}(26 + 150)

∴ 2,816 = \frac{n}{2}(176)

∴ 2,816 = 88n

→ Divide both sides by 88

∴ 32 = n

∵ n represents the number of the rows

∴ The theater has 32 rows

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3 years ago
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–11 – (–15)<br><br> A.<br> –26<br><br> B.<br> –4<br><br> C.<br> 4<br><br> D.<br> 26
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Your answer is gonna be C. 4
Hope I helped :)
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3 years ago
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