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kaheart [24]
3 years ago
12

Determine the general solution of cos2X -7cosX -3=0​

Mathematics
1 answer:
vovikov84 [41]3 years ago
3 0

Answer:

x=2pi/3 +2pi n, 4pi/3 +2pi n for all integar of n.

Step-by-step explanation:

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(x - 2)2 + (y + 4)2 = 49
frez [133]

Answer:

2(x+y+2)=49

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3 years ago
Tadashi had a veggie pizza that was cut into 8 equal pieces. He ate 2 pieces and left the other 6 in the box. What fraction of t
Stella [2.4K]

Answer:

1/4

Step-by-step explanation:

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8 0
3 years ago
I need help with this probability problem. I’m helping my brother with his homework and I don’t know how to solve this question.
Aleksandr-060686 [28]

Hello from MrBillDoesMath!

Answer:

Number marbles >= 5

Discussion:

The only certain thing we can say is the jar contains at least 5 (green) marbles.  The table  shows probabilities, not certainties, and is no guarantee that any other marbles even exist  in the jar,

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4 years ago
Please help me answer this for me please
slamgirl [31]

Answer:

first one is 5.8

second on is 4.47 round

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Step-by-step explanation:

8 0
3 years ago
The area of a rectangle is 228 sq feet if the length of rectangle is 12 feet what would be the width of the rectangle
zysi [14]
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