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Mkey [24]
3 years ago
15

How many real numbers solutions are there in the equation? 0=-3x^2+x-4?

Mathematics
1 answer:
Kisachek [45]3 years ago
6 0
There is only 1 solution

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At maximum speed, an airplane travels
SpyIntel [72]

against wind the speed = x-y

distance traveled = 2460

2460/x-y= 6

6x-6y= 2460

x-y=410...........1

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with wind speed = x+y

distance is same 2460

2460/x+y=5

5x+5y=2460

x+y=492............2

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Add equation 1 & 2

x-y+x+y=410+492

2x=902

x= 451 mph speed of plane in still air.

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Plug the value of x in equation 1

451-y=410

y=451-410

y=40 mph the speed of wind

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3 years ago
What is the approximate value of 2 -3
Lemur [1.5K]

Assuming you are doing x minus y, the value would be -1.00

The number line can help - go left three times from 2 and you get an answer.

Assuming you are doing x times (-y), the value would be -6.00

Add -3 to itself 2 times

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AD is the perpendicular bisector of BC.
masha68 [24]

5x-10= 3x+10

5x-3x= 10+10

2x÷2= 20÷2

x= 10

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