$\displaystyle\\\text{We use the formula: }~~~\tan(2x)=\frac{2\tan(x)}{1-\tan^2(x)}\\ ---\\\\\frac{\tan(2x)}{\tan(x)}=\frac{\dfrac{2\tan(x)}{1-\tan^2(x)}}{\tan(x)}=\frac{2\tan(x)}{\tan(x)\Big(1-\tan^2(x)\Big)}=\boxed{\frac{2}{1-\tan^2(x)}}\\\\\\ \text{Correct answer:~~A.}$

6 0

3 years ago

How would changes in sample size affect the margin of error, assuming all else remained constant?

zaharov [31]

A larger sample size would cause the interval to narrow.

4 0

3 years ago

Brendan is building a dog house, and the

Pani-rosa [81]

Answer:

B. 46 ft²

Step-by-step explanation:

Two sides are rectangles 3.1 ft by 5 ft.

One side is a rectangle 5 ft by 3 ft.

area = 2(3.1 ft × 5 ft) + (5 ft × 3 ft)

area = 46 ft²

8 0

3 years ago

PLEASE HELP 7TH GRADE MATH

ANEK [815]

Answer:

26. H

Step-by-step explanation:

26. An acute angle just has to be less than 90 degrees. Therefore, H is the correct choice.

Please mark as brainliest

8 0

3 years ago

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