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KiRa [710]
3 years ago
10

Pls 24 n 3-4 am not understanding them can u solve them pls

Mathematics
1 answer:
Lynna [10]3 years ago
4 0
Can you re-upload the question.
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Check all that apply. Sec θ is undefined for θ = ____. A. π. B. π/2. C. 0. D. 3π/2.
Zanzabum
Secant is a trigonometric function that is the reciprocal of the function cosine. This means that in a cartesian plane, the value of secant is equal to r / x. For the values to be undefined, x should be zero. The angles are π/2 and 3π/2. The answers are B and D. 
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3 years ago
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A scuba diver is 240 feet below sea level and descends 50 feet further down to observe the sea life.
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Answer:

The new position is 190 feet below sea

Step-by-step explanation:

240-50=190

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2 years ago
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What are the first three terms of the sequence defined by the recursive function an=an-1-(an-2-4), when a5=-2 and a6=0
BaLLatris [955]

Answer:

6, 10, 8

Step-by-step explanation:

aₙ= aₙ₋₁ - (aₙ₋₂ - 4)= aₙ₋₁ - aₙ₋₂ + 4

a₅= -2

a₆= 0

-----------

aₙ₋₂= aₙ₋₁ - aₙ + 4

  • a₄= a₅- a₆ + 4 = -2 - 0 + 4 = 2
  • a₃= a₄ - a₅ + 4 = 2 - (-2) + 4 = 8
  • a₂= a₃ - a₄ + 4 = 8 - 2 + 4 = 10
  • a₁= a₂ - a₃ + 4 = 10 - 8 + 4 = 6

The first 3 terms: 6, 10 and 8

4 0
3 years ago
Ms. Carter has 30 boxes of books. Half of the boxes have 25 books and the other half have 50 books. How many books does she have
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15 x 25 = 375
15 x 50 = 750

375 + 750 = 1,125

She has 1,125 books. 
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Is -13x+3 increasing or decreasing negative or positive slope????
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-13x + 3 is decreasing and has a negative slope.

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