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3 years ago

Show me how to multiply .54 times .5

1 answer:

6 0

First do 54x5 which is equal to 270. then, you move the decimal point to the left 3 times; 2 for the .54 and 1 for the .5. you will then get 0.27 which is ur answer

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Simplify the trigonomic expression 1/1+ sin

Softa [21]

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

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

6 0

3 years ago

Read 2 more answers

Simplify: (64^-1/2)^-2/3

Ede4ka [16]

This = 64^( -1/2 * -2/3)

= 64 ^ 1/3

= cube root of 64

= 4 answer

5 0

3 years ago

Select the correct answer.

adoni [48]

The correct answer is b) 2

8 0

3 years ago

Determine the factors of x2 − 8x − 12.

statuscvo [17]

Answer:

This polynomial cannot be factored because it is prime. Hope this helps. :)

Step-by-step explanation:

hope this helps :)

7 0

3 years ago

Express $3.29 for 24 cans as a unit rate. Round to the nearest cent.

kkurt [141]

Answer:

0.14 cents per can

Step-by-step explanation:

$3.29 divided by 24 cans gives a unit rate or price per can of $0.14 per unit or per can.

Good luck.

Hope this helps!

4 0

3 years ago

Read 2 more answers