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aalyn [17]
3 years ago
10

The Teacher is grading spelling tests for a 2nd grade class. Out of 8 words, most students only got 3 correct. What is the perce

nt of correct answers?
Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
8 0

Answer:

35% because 4 would be 50% so its prob around 35 or 40

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A business purchases a computer system for $5,300. The value of the system decreases at a rate of 12% per year. In how many year
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Answer:

7

Step-by-step explanation:

If a system decreases by 12% it's the same as multiplying it by .12-1 or .88

This means we can create the following equation

computer value=5300(.88)^n

where n is the number of years

We can then plug in the value of the computer and solve for n

2200=5300(.88)^n

Divide by 5300 and get

.415=.88^n

Then put this into log form and get

\frac{log(.415)}{log.88}

Evaluate this into your calculator and get n=6.69 which I would probably just round to 7

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den301095 [7]

Answer:

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Step-by-step explanation:

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Montano1993 [528]

Answer:

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Step-by-step explanation:

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