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erma4kov [3.2K]
2 years ago
9

When changing 67, 430,000 to scientific notation, how many places is the decimal point moved? ​

Mathematics
1 answer:
Sergeu [11.5K]2 years ago
4 0
It would move 7 places to the left
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Sam is hired for a 20-day period. On days that he works, he earns $60. For each day that he does not work, $30 is subtracted fro
Alenkinab [10]

Answer:

He did not work for 6 days

Step-by-step explanation:

Sam is hired for a 20-day period.

Let x be the no. of days he did not work

So, No. of days he worked = 20-x

he earns per working day = $60

So, he earns for (20-x) days = 60(20-x)

For each day that he does not work, $30 is subtracted from his earnings.

So, Amount deducted for x days = 30x

So, His earning for 20 days =60(20-x)-30x

We are given that At the end of the 20-day period, he received $660

So, 60(20-x)-30x=660

1200-60x-30x=660

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1200-660=90x

540=90x

\frac{540}{90}=x

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So, he did not work for 6 days

So, Option C is true

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3 years ago
6 less than 3 times a number​
Ede4ka [16]

Answer:

As per the given question, let the number be m.

three times the number 'm ' is 3.m or 3m.

3

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m

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- 6 = 15.

3m -6 = 15

add 6 to both sides;

3m -6 + 6 = 15 + 6

3m = 21

dividing both the sides by 3 , we get;

3m /3 = 21 / 3

m = 7

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Please give me Brainliest

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2/9

Step-by-step explanation:

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Step-by-step explanation:

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The function f(x) = x^2 is an even function.
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..................

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