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earnstyle [38]
3 years ago
14

Secxcotx=cscx Verify this with steps please :))))

Mathematics
1 answer:
Jlenok [28]3 years ago
4 0
Secxcotx=cscx
1/cos * cos/sin =cscx
cos/sincos=csc
1/sin=csc
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In the figure, what percentage of the circles are shaded?
Artist 52 [7]
25% of the circles are shaded. You would find this by dividing 3/12! Have a good day!
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3 years ago
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I need to put parenthesis in order to make this statement true.....help
saveliy_v [14]

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Step-by-step explanation:

7 0
3 years ago
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Which of the following is a perfect square trinomial?
shutvik [7]

Answer:

A.

Step-by-step explanation:

Take a look at what happens when squaring either of these...

(ax-by)^2=(ax-by)(ax-by)=a^2x^2-2abxy+b^2y^2\\\\(ax+by)^2=(ax+by)(ax+by)=a^2x^2+2abxy+b^2y^2\\

Notice a couple of patterns.

1.  The last term has a positive coefficient.  That rules out answer choices C and D.

2.  The coefficient of the middle term is either +2ab \text{ or } -2ab .  So what are <em>a</em>  and <em>b</em>?  <em>a</em> is the square root of the x^2 term and <em>b</em> is the square root of the y^2 term.

25x^2 \Rightarrow a=5\\\\9y^2 \Rightarrow b=3\\\\ab=15\\\\2ab=30

The middle coefficient needs to be either +30 or -30.  The answer is choice A.

5 0
3 years ago
1. Bailey withdrew $135 from her checking account. Write an algebraic expression that describes Bailey's action.
MArishka [77]

<u><em>Answer:</em></u>

c − 135

<u><em>Explanation: </em></u>

Let's say that the amount of money in Bailey's checking account is  

c  dollars.

We also know that she took away  $ 135

From this variable and number, we can state the algebraic expression

 c − 135

<h2><u><em>Hope this helps!</em></u></h2>

<u><em></em></u>

7 0
3 years ago
Ms. Garcia watched 6 commercials
Aleonysh [2.5K]

Answer:

15 commercials

Step-by-step explanation:

6 commercials --> 24 minute

x commercials --> 60 minute(1 hour)

x*24 = 6*60

clear x

x = (6*60)/24

x= 15

6 0
3 years ago
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