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2 years ago

Can someone please explain step by step on this problem for a brainliest!

Mathematics

2 answers:

Shkiper50 [21]2 years ago

7 0

Answer:

Combine the like terms. In this equation there are two like terms. They both are xy. Note: When there is no number in front of a term, you can assume that the number is 1.

5xy - 1xy

Subtract normally and then attach the xy.

4xy

Hope this helps! :)

Charra [1.4K]2 years ago

7 0

Answer:

X(5y-y)

Step-by-step explanation:

it is a simple equation

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If sin square theta = 0.75, then cos =

sergeinik [125]

Answer:

$\cos\theta=\pm0.5$

Step-by-step explanation:

Given:

$\sin^2\theta=0.75$

To find $\cos\theta$

Using trigonometric relations for sums and differences of squares of the ratios.

We know:

$\sin^2\theta+\cos^2\theta =1$

Plugging in $\sin^2\theta=0.75$ in the above relation.

$0.75+\cos^2\theta =1$

Subtracting both sides by 0.75.

$0.75+\cos^2\theta-0.75 =1-0.75$

$\cos^2\theta =0.25$

Taking square root both sides.

$\sqrt{\cos^2\theta} =\sqrt{0.25}$

∴ $\cos\theta=\pm0.5$ (Answer)

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2 years ago

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Answer:

Step-by-step explanation:

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2 years ago

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Vitek1552 [10]

The answer is c maybe?

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3 years ago

What is the least common multiple of 4 and 12? O 4 O 12 O 24 o ) 48

densk [106]

Answer:

Step-by-step explanation:

Least common multiple means what is the smallest number that both numbers go into

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Step-by-step explanation:

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