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Assoli18 [71]
2 years ago
11

How to use inverse cosin

Mathematics
1 answer:
Alecsey [184]2 years ago
4 0

Answer:

sec

Step-by-step explanation:

1/cosin = sec or cosin^-1

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How to solve r-9≤-25​
nataly862011 [7]

Answer:

Step-by-step explanation:

That’s the answer (the pic)

4 0
3 years ago
Help pleaseeeeee!! D:
Dimas [21]

Answer:

Perimeter = 82 units

Step-by-step explanation:

Find:

Perimeter

Computation:

Unknown height = 13 + x

So,

25² = x² + 24²

x = 7

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Unknown height = 13 + 7

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8 0
3 years ago
-3x^2-5x+9=0 what is the value for a,b,and c
Tju [1.3M]

Answer:

a = -3  b = -5  c = 9

Step-by-step explanation:

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-3x^2-5x+9=0

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3 0
3 years ago
At a high school, 14% of all students play a sport and 9% of all students play a
olga2289 [7]

Answer:

0.643

Step-by-step explanation:

Let, s = play a sport

c = participate in a club

P(s) = 0.14

P(s n c) = 0.09

probability that a student participates in

a club given that they also play a sport = P(c | s)

P(c | s) = P(c n s) / P(s)

P(c | s) = 0.09 / 0.14

P(c | s) = 0.64285

= 0.643

7 0
3 years ago
1. On a train ride cross-country, the trees, buildings, and people appear to be speeding by the window. This is because the trai
vitfil [10]

Answer:

Step-by-step explanation:

1) moving fast

2)solar system

3)

8 0
2 years ago
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