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3 years ago

32 teams in 4 divisions

Mathematics

1 answer:

stepan [7]3 years ago

3 0

Answer:

Step-by-step explanation:

32 divided by 4 is 8

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How can csc^2-cot^2 = 1?

Softa [21]

ANSWER

By simplifying the left hand side using the Pythagorean Identity.

EXPLANATION

The given identity is

$\csc^{2} (x) - \cot^{2} (x) = 1$

Take the left hand side and simplify to get the right hand side.

$\csc^{2} (x) - \cot^{2} (x) = \frac{1}{\sin^{2} (x)} - \frac{ \cos^{2} (x)}{\sin^{2} (x)}$

Collect LCM for the denominators.

$\csc^{2} (x) - \cot^{2} (x) = \frac{1 - \cos^{2} (x)}{\sin^{2} (x)}$

Recall the Pythagorean Identity.

$\cos^{2} (x) + \sin^{2} (x) = 1$

This implies that:

$1 - \cos^{2} (x) = \sin^{2} (x)$

We substitute this to get,

$\csc^{2} (x) - \cot^{2} (x) = \frac{\sin^{2} (x)}{\sin^{2} (x)}$

$\csc^{2} (x) - \cot^{2} (x) = 1$

6 0

2 years ago

Create a quadratic trinomial with zeros equal to 4 and 5

Ilya [14]

Answer:

x^2 - 9x + 20

Step-by-step explanation:

(x - 4)(x - 5) (have to do the opposite for it to be positive)

FOIL method: X x X = x^2

-5 x X = -5x

-4 x X = -4x

x^2 - 5x - 4x + 20

-5 - 4 = -9 so...

x^2 - 9x +20 is the answer

5 0

3 years ago

1. A new ice cream shop is opening up and the owners are making a large ice cream cone for display What is the volume of the ice

Lelu [443]

Answer:

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

What is 7 - (-4) ? I got -24

koban [17]

Answer:

Step-by-step explanation:

7-(-4) is 11. You must make the subtraction symbol in the middle to addition, since you have 2 negatives. Two negatives = postive. So after you do that it would be 7+4=11

Hope this helped!

6 0

3 years ago

A middle school took all of its

bearhunter [10]

If there is 1000 seats, and the students took 45% percent of them, then 450 sixth graders went on the trip

7 0

3 years ago