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Zolol [24]
2 years ago
14

If r + t = 10 and -r + t = 4, What is the value of 5r + 8t?

Mathematics
1 answer:
ikadub [295]2 years ago
7 0

Answer:

71

Step-by-step explanation:

Start solving using simultaneous equation,From there, we have r to be 3 and t to be 7

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Write each of the following numerals in base 10. For base​ twelve, T and E represent the face values ten and​ eleven, respective
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Answer:

  a. 37

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Step-by-step explanation:

Place value has the same meaning in any other number base that it has in base 10. Using expanded form is one way to do the required base conversion.

a. 122₅ = 1×5² +2×5¹ +2×5⁰

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b. 11001₂ = 1×2⁴ +1×2³ +0×2² +0×2¹ +1×2⁰

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c. 16T₁₂ = 1×12² +6×12¹ +10×12⁰

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3 years ago
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Step-by-step explanation:

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Answer:

Write and evaluate the expression. Then, complete the statements.

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