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Kazeer [188]
3 years ago
9

PLEASE HELP ME WITH THIS QUESTION PLEASE

Mathematics
2 answers:
KATRIN_1 [288]3 years ago
7 0

Answer:

The answer to your question is 5/4

Step-by-step explanation:

Ilia_Sergeevich [38]3 years ago
5 0

Answer:

average change on each run is -1 1/4 yards

Step-by-step explanation:

11 1/4 is 45/4 as an improper fraction

45/4 ÷ 9  is 45/4 x 1/9 = 5/4

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What are the remaining trig functions? and how do i solve for them? pls help
erastovalidia [21]

You're told that tan(<em>θ</em>) is positive, but

tan(<em>θ</em>) = sin(<em>θ</em>)/cos(<em>θ</em>)

and you're also told that sec(<em>θ</em>) = 1/cos(<em>θ</em>) = -3. So if cos(<em>θ</em>) is negative, sin(<em>θ</em>) must also be negative. In turn, both sec(<em>θ</em>) = 1/cos(<em>θ</em>) and csc(<em>θ</em>) = 1/sin(<em>θ</em>) are also negative.

Now, recall the Pythagorean identity,

cos²(<em>θ</em>) + sin²(<em>θ</em>) = 1

Multiply through both sides by 1/cos²(<em>θ</em>) to get an alternate form of the identity,

1 + tan²(<em>θ</em>) = sec²(<em>θ</em>)

Solve for tan(<em>θ</em>) (which we know is positive):

tan(<em>θ</em>) = √(sec²(<em>θ</em>) - 1) = 2√2

Right away, we get

cot(<em>θ</em>) = 1/tan²(<em>θ</em>) = 1/(2√2) = √2/4

Since sec(<em>θ</em>) = -3, it follows that cos(<em>θ</em>) = -1/3.

Then

tan(<em>θ</em>) = sin(<em>θ</em>)/cos(<em>θ</em>)   ==>   sin(<em>θ</em>) = 2√2 × (-1/3) = -2√2/3

and so

csc(<em>θ</em>) = 1/sin(<em>θ</em>) = -3/(2√2)

6 0
3 years ago
Find the unknown number in the equation. 12-4=1+?+1
bagirrra123 [75]

Answer:

3

Step-by-step explanation:

12-4=5 and 1+3+1 also equals 5.

4 0
3 years ago
Read 2 more answers
Ssseseserffcfctctctcttctcftfttfttfttttfftfttftttftftf
juin [17]

Answer:

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
If the first and the last terms of an arithmetic series are 10 and 62, show that the sum of the series varies directly as the nu
Nitella [24]

Answer:

10+^@=72_^) + the series

Step-by-step explanation:


6 0
3 years ago
Please please help me please I really need help please just tap on picture and you will see the question
aleksklad [387]

Answer:

No , it is not a right angle triangle

Step-by-step explanation:

according to the pythagoras theorem in right angled triangle sum of square of two sides is equal to the square of it's hypotenuse.

using pythagoras theorem

a^2 + b^2 = c^2

9^2 + 16^2 = 25^2

81 + 256 = 625

337 = 625

since sum of square of two smallest sides of a triangle is not equal to the square of it's hypotenuse it can be concluded that the given figure does not form right angle triangle.

6 0
3 years ago
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