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Phoenix [80]
3 years ago
12

The point (-2, -1) satisfies which of the following inequalities?

Mathematics
2 answers:
valentinak56 [21]3 years ago
4 0

Ik for s fact the awnser not a

Montano1993 [528]3 years ago
4 0

Answer:

B) -5x + 2y + 1 > 0

Step-by-step explanation:

Given point is (-2,-1)

to find out which inequality satisfies this point we plug in x and y value of the given point in each inequality

A) 5x - 2y + 1 > 0

x=-2 and y=-1

5(-2) - 2(-1) + 1 > 0

-10+2+1>0

-7>0 is False

B) -5x + 2y + 1 > 0

-5(-2) +2(-1) + 1 > 0

10-2+1>0

9>0 is True

C) -2x + 5y - 1 > 0

-2(-2) +5(-1) -1 > 0

4-5-1>0

-2>0 is False

D) 2x + 5y - 1 > 0

2(-2) +5(-1) - 1 > 0

-4-5-1>0

-10>0 is False

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KatRina [158]

Answer:

Vel_jet_r =  (464.645 mph)  North + (35.35 mph) East

||Vel_jet_r|| =  465.993 mph

Step-by-step explanation:

We need to decompose the velocity of the wind into a component that can be added  (or subtracted from the velocity of the jet)

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Vel_ wind = 50 cos(45) mph  East  -  50 sin (45) mph North

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