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iren [92.7K]
3 years ago
6

NEED HELP!!! 20 POINTS WILL MARK BRAINLIEST

Mathematics
1 answer:
Margarita [4]3 years ago
5 0
We use the formula  Area = 1/2 bc sin A  = 1/2 * 2 *  √2 * sin 60

A =   √2 * √3  / 2

     =  √6/ 2  (answer)
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In parallelogram ABCD above, AE =2x+4 and AC=6x. What is the length of CE?
lawyer [7]

Answer:

4-4x

Step-by-step explanation:

From the parallelogram

CE = CA+AE

Since CA = -AC

CE = -AC+AE

GIVEN

AC = 6x

AE= 2x+4

Substitute

CE = -6x+2x+4.

CE = -4x+4

Gene the length of CE is 4-4x

4 0
2 years ago
What is the value of x?<br><br> Enter your answer in the box.<br><br> __cm
AveGali [126]
X  will always be = to 1

6 0
3 years ago
In the right triangle shown
pav-90 [236]

Answer:

12

Step-by-step explanation:

Using the 30-60-90 triangle formula side AB would be double of side CB.

3 0
3 years ago
8. A skateboard ramp is 5ft tall and is 12ft from the base of the ramp to the end. What is the length from the top of the ramp t
Elden [556K]

Answer:

iacbsc kakwc s s k kd sdidv d lm vdfj

Step-by-step explanation:

7 0
3 years ago
What are the real roots of 2x^3+9x^2+4x-15=0
klemol [59]
Well, luckily it is apparent that (x-1) is a root because when x=1 the equation is equal to zero.  So we can divide the equation by that factor to find the other roots. 

(2x^3+9x^2+4x-15)/(x-1)
2x^2  r  11x^2+4x-15
11x    r  15x-15
15     r   0

(x-1)(2x^2+11x+15)=0

(x-1)(2x^2+6x+5x+15)=0

(x-1)(2x(x+3)+5(x+3))=0

(x-1)(2x+5)(x+3)=0

So the roots are x= -3, -2.5, 1
8 0
3 years ago
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