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dangina [55]
3 years ago
8

HELP! -1/4 × (-7/9)

Mathematics
1 answer:
boyakko [2]3 years ago
7 0

Answer:

7

I hope this is helps.

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An air traffic controller spots two planes at the same altitude flying toward each other. their flight paths form a right angle
7nadin3 [17]

Let the units of the problem be miles and hours. The first plane's distance from point p can be described by

... x = 150 -450t

The second plane's distance from point p can be described by

... y = 200 -450t

Since their flight paths are at right angles, the Pythagorean theorem can be used to describe the distance between them (s).

... s² = x² + y²

... s² = (150 -450t)² + (200 -450t)² = 22500 -135000t +202500t² +40000 -180000t +202500t²

... s² = 40500t² -315000t +62500 = 2500(162t² -126t +25)

... s = 50√(162t² -126t +25)

4 0
3 years ago
Determine the 12th term of the following Arithmetic sequence, 5 ; 12; 19;... (2)
Paul [167]

Answer:

26-33-40-47-54-61-68-75-82-89-96

6 0
3 years ago
Which pairs of angles in the figure below are vertical angles?
lara [203]
When you have two lines in an x shape, vertical angles are the ones opposite each other. 
in the example here, the angles with the purple dots are vertical angles and the angles with the blue dots are the other vertical angles

6 0
3 years ago
Simplify the following expression -12(5x-4)
faltersainse [42]
The answer would be 60x-48
3 0
3 years ago
Read 2 more answers
Help please can’t get this wrong. Am I doing this right if not correct me. And how do I write it
zhannawk [14.2K]

Answer:

a<-7/2 or a>1

Step-by-step explanation:

2a+5<-2 or -4a-1<-5

2a<-2-5 -4a<-5+1

2a<-7. -4a<-4

2a/2<-7/2 -4a/-4<-4/-4

a<-7/2 a>1

4 0
3 years ago
Read 2 more answers
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