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3 years ago

14

Giving brainliest for correct answer

2 answers:

Elena L [17]3 years ago

6 0

Answer:

C. is the right answer i dont really know how to explain it though sorry.

Step-by-step explanation:

iogann1982 [59]3 years ago

5 0

Answer:

The answer is C.

Step-by-step explanation:

The answer is C because the minimum is the smallest amount in a data set, the smallest number is 50 so that just leaves options B and C, the maximum is the largest number in a data set, the largest number in this data set is 80 and option C has Minimum 50 and maximum 80, therefore it is the answer.

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Use basic trigonometric identities to simplify the expression: sin (-x) cos (-x) csc (-x) =?

Anestetic [448]

Answer:

$sin (-x) cos (-x) csc (-x) =cos(x)$

Step-by-step explanation:

We know by definition that the cosine is an even function, therefore

$cos (-x) = cos (x)$

We also know that the sin is an odd function, therefore

$sin (-x) = -sin (x)$

By definition:

$cscx = \frac{1}{sinx}.$

Then:

$csc(-x) = \frac{1}{sin(-x)}.$

$csc(-x) = -\frac{1}{sin(x)}.$

Using these trigonometric properties we can simplify the expression

$sin (-x) cos (-x) csc (-x)= -sin(x)cos(x)*(-\frac{1}{sin(x)})\\\\sin (-x) cos (-x) csc (-x)=cos(x)$

7 0

3 years ago

Read 2 more answers

What is the measure of <br> 165<br><br> 15<br><br> 82.5<br><br> 97.5

Zina [86]

Answer:

15°

Step-by-step explanation:

<em>L</em><em> </em>MLP = 180-165=15°

_____

8 0

3 years ago

If a fish is swimming 20 feet below the surface of the ocean and a bird flying directly overhead of the fish is 12 feet above th

kow [346]

Answer:

32 feet

Step-by-step explanation:

The equation would be 12 - (-20)

12 + 20 = 32

7 0

3 years ago

Answer choices :<br> A.85<br> B.55<br> C.40<br> D.20

stira [4]

I think the answer is D.20

4 0

3 years ago

What is the solution to this system?<br> 3x+2y=45<br> 4x+-y=5

hodyreva [135]

(I) $3x + 2y = 45$

(II) $4x - y = 5$

Get $y$ alone in equation (II)

$4x - y = 5\\y = 4x - 5$

Insert new equation (II) in equation (I)

$3x + 2(4x - 5) = 45\\3x + 8x - 10 = 45\\3x + 8x = 45 + 10\\11x = 55\\x = 5$

Insert $x = 5$ in equation (II)

$y = 4 \cdot 5 - 5\\y = 20 - 5\\y = 15$

5 0

3 years ago