3 years ago

cheryl is organizing her movie collection. if each movie case is 3/4 inch wide, how many movies can fit on a shelf 5 feet wide?

1 answer:

8 0

Answer:8

Step-by-step explanation:

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Nostrana [21]

The answer is 3 1/4 if I'm correct

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2 years ago

salantis [7]

He can make 15 chess boards.

All you need to do is multiply 3 by 5.

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2 years ago

posledela

No don’t stab yourself! But I really hope someone helps you with this, I would but I just don’t understand sorry

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2 years ago

chubhunter [2.5K]

Answer:

see explanation

Step-by-step explanation:

Using the Pythagorean identity

cos²A + sin²A = 1 ( divide terms by cos²A )

$\frac{cos^2A}{cos^2A}$ + $\frac{sin^2A}{cos^2A}$ = $\frac{1}{cos^2A}$ , that is

1 + tan²A = sec²A ← as required

3 0

3 years ago

iVinArrow [24]

Step-by-step explanation:

2tan 30° / 1 + tan² 30° =

2(⅓√3) /1 + (⅓√3)² =

⅔√3 / 1+ ⅓ =

⅔√3 / 4/3 =

2/4 √3 =

½√3 = sin 60° (proven)

3 0

3 years ago