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polet [3.4K]
3 years ago
13

What is the area of the following parallelogram in square centimeters?

Mathematics
2 answers:
Llana [10]3 years ago
6 0

Answer:

A. 60 cm 2

Step-by-step explanation:

hope this helps

A=base height=30·2=60

vazorg [7]3 years ago
3 0
The answer is A.60 cm 2
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telo118 [61]

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jdiddbhhuduh9ruruuehgruhrhudhheherj

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1 year ago
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vitfil [10]

Answer:

1

+

sec

2

(

x

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sin

2

(

x

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1

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x

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Convert to sines and cosines.

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1

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1

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(

x

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sin

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(

x

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Write  

sin

2

(

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1

.

1

+

1

cos

2

(

x

)

⋅

sin

2

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x

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1

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1

+

1

sin

2

(

x

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cos

2

(

x

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⋅

1

Multiply  

sin

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x

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2

by  

1

.

1

+

sin

2

(

x

)

cos

2

(

x

)

⋅

1

Multiply  

cos

(

x

)

2

by  

1

.

1

+

sin

2

(

x

)

cos

2

(

x

)

Apply Pythagorean identity in reverse.

1

+

1

−

cos

2

(

x

)

cos

2

(

x

)

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1

cos

2

(

x

)

Now consider the right side of the equation.

sec

2

(

x

)

Convert to sines and cosines.

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1

2

cos

2

(

x

)

One to any power is one.

1

cos

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(

x

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Because the two sides have been shown to be equivalent, the equation is an identity.

1

+

sec

2

(

x

)

sin

2

(

x

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=

sec

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(

x

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Step-by-step explanation:

7 0
2 years ago
PLS HELP DU TONIGHT! 25 POINTS!!
Nata [24]

Answer:

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Step-by-step explanation:

8 0
2 years ago
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Factor the quadratic equation below to reveal the solutions. X^2+4x-21=-9
a_sh-v [17]

Answer:

x = 3 and x = -7

Step-by-step explanation:

The given quadratic equation is x^2+4x-21=0. We need to find the solution of this equation.

If the equation is in the form of ax^2+bx+c=0, then its solutions are given by :

x=\dfrac{-b\pm \sqrt{b^2-4ac} }{2a}

Here, a = 1, b = 4 and c = -21

Plugging all the values in the value of x, such that :

x=\dfrac{-b+ \sqrt{b^2-4ac} }{2a},\dfrac{-b- \sqrt{b^2-4ac} }{2a}\\\\x=\dfrac{-4+ \sqrt{(4)^2-4\times 1\times (-21)} }{2(1)},\dfrac{-4- \sqrt{(4)^2-4\times 1\times (-21)} }{2(1)}\\\\x=3, -7

So, the solutions of the quadratic equation are 3 and -7.      

6 0
3 years ago
# 27 a rectangular piece of cloth had an area of 1/12 square yard
Margaret [11]
1/9
 becuase 27-1/12= 1/9

3 0
2 years ago
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