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bearhunter [10]
3 years ago
15

What happens to the decimal point when you divide by 10? Question 2 options: moves to the right 1 place moves to the right 2 pla

ces moves to the left 1 place nothing
Mathematics
2 answers:
Liono4ka [1.6K]3 years ago
7 0
When\ dividing\ by\ ten,\ we\ know\ that\ the\ decimal\ always\ moves\ one\\
place\ to\ the\ left.\ Example:\\
10.24 / 10 =  1.024
I hope this helps!
Oduvanchick [21]3 years ago
3 0
When a decimal number is divided by 10 , the decimal point moves to the left one place and a zero will be added to the immediate right side of the decimal point. for instance,if 0.85 is divided by 10, the answer is 0.085
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Simplify the trigonomic expression 1/1+ sin
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Answer:

\sec^2\theta-\tan\theta\sec\theta

Step-by-step explanation:

We have to simplify the trigonometric expression \frac{1}{1+\sin\theta}

Let us multiply the numerator and denominator by 1-\sin\theta

\frac{1}{1+\sin\theta}\times\frac{1-\sin\theta}{1-\sin\theta}

In the denominator apply the formula for difference of squares

a^2-b^2=(a+b)(a-b)

Thus, the denominator will become

(1+\sin\theta)(1-\sin\theta)=1-\sin^2\theta

Thus, the expression is

\frac{1-\sin\theta}{1-\sin^2\theta}

Using the relation 1-\sin^2\theta=\cos^2\theta

\frac{1-\sin\theta}{\cos^2\theta}

We can rewrite this expression as

\frac{1}{\cos^2\theta}-\frac{\sin\theta}{\cos^2\theta}

Finally, the simplified expression is

\sec^2\theta-\tan\theta\sec\theta

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3 years ago
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Step-by-step explanation:

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A bacteria culture begins with 4 bacteria which double in size every hour. How many bacteria exist in the culture after 8 hours?
Shalnov [3]

Answer:

Option C. 1,024 bacteria

Step-by-step explanation:

We are given that a bacteria culture begins with 4 bacteria which double in size every hour. And we have to find that how many bacteria exist in the culture after 8 hours;

So, Number of bacteria after one hour = 4 * 2 = 8

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