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julia-pushkina [17]
1 year ago
5

Please help!!!!!!!!!!!!!!! i need this answer really fast!!!

Mathematics
1 answer:
yan [13]1 year ago
3 0

Answer:

What's the question you f... you amazing human being

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Rewrite the slope-intercept form equation into standard form. y = –2x + 4 A. x + 2y = 4 B. 2x + y = 4 C. 4x + y = 2 D. 4x + 2y =
Vlad1618 [11]
The answer is B. 2x+y=4
7 0
3 years ago
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QUICK I NEED HELP PLS
pickupchik [31]

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3 years ago
If cos x= 5/13 and sin x <0 find cos (x/2) and sin (2x)
taurus [48]
We know that

if cos x is positive
and
sin x is negative
so
the angle x belong to the IV quadrant

cos x=5/13
we know that
sin²x+cos²x=1-------> sin²x=1-cos²x------> 1-(5/13)²---> 144/169
sin x=√(144/169)-------> sin x=12/13
but remember that x is on the IV quadrant
so
sin x=-12/13

Part A) <span>cos (x/2)
cos (x/2)=(+/-)</span>√[(1+cos x)/2]
cos (x/2)=(+/-)√[(1+5/13)/2]
cos (x/2)=(+/-)√[(18/13)/2]
cos (x/2)=(+/-)√[36/13]
cos (x/2)=(+/-)6/√13-------> cos (x/2)=(+/-)6√13/13
the angle (x/2) belong to the II quadrant
so
cos (x/2)=-6√√13/13

the answer Part A) is 
cos (x/2)=-6√√13/13

Part B) sin (2x)
sin (2x)=2*sin x* cos x------> 2*[-12/13]*[5/13]----> -120/169

the answer Part B) is 
sin(2x)=-120/169
4 0
3 years ago
Consider functions f and g below.
Katyanochek1 [597]

Answer:

g(x) approaches negative infinity

Step-by-step explanation:

g(x) = -x² + 2x + 4

limit at g(x) approaches infinity = -(∞)² + 2(∞) + 4 = -∞

I can't solve for f(x) because you didnt give me f(x)

4 0
3 years ago
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15
OLEGan [10]

Step-by-step explanation:

Rectangle=(2l+b)

thanks for the points

6 0
2 years ago
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