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Shkiper50 [21]
3 years ago
11

6x2 + 15x – 21 no clue

Mathematics
1 answer:
Gala2k [10]3 years ago
7 0

Answer:

-303

Step-by-step explanation:

.............

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Alan solved the proportion StartFraction x over 200 EndFraction = StartFraction 8 over 25 EndFraction as shown. StartFraction x
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Answer:

Step-by-step explanation:

The proportion that Alan solved was

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His working as shown was

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He divided both sides of the equation by 8. It became

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The correct steps are

25x = 200 × 8 = 1600

Dividing both sides of the equation by 25, it becomes

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Alan's error were:

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2)He got the wrong quotient when he divided 5,000 by 8.

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A chef knows that ground beef used for hamburger is safe to eat once it reaches 160 degrees Fahrenheit. For optimized taste and
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