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Hitman42 [59]
3 years ago
11

Solve the equation [ 3 2 5 5 ] [ x1 x2] + [ 1 2 ] = [ 2 -3 ]

Mathematics
1 answer:
lukranit [14]3 years ago
4 0

Answer:

x1=3     x2=-4

Step-by-step explanation

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The altitude a ( in feet) of a plane t minutes after lift off is given by a=3400t+600
Julli [10]

Answer:

  6 minutes

Step-by-step explanation:

'a' in the formula represents altitude in feet. You are told the altitude is 21000 feet, so put that into the formula:

   21000 = 3400t +600

You can solve this for t:

  20400 = 3400t . . . . . subtract 600 from both sides

  6 = t . . . . . . . . . . . . . . . divide both sides by 3400

The problem statement tells you that t represents minutes after lift off, so this solution means the altitude is 21000 feet 6 minutes after lift off.

The question is asking for the number of minutes after lift off that the plane reaches an altitude of 21000 feet, so this answers the question directly:

  The plane is at an altitude of 21000 feet 6 minutes after lift off.

4 0
3 years ago
Kumar the painter has 17 gallons of paints. He puts it into 6 buckets so each has the same amount. How many gallons are in each
9966 [12]

Answer:

17/6 or 2 5/6 gallons of paint

Step-by-step explanation:

First, do 17/6= 2 5/6.

That's really all, but I can't help you with the number line because of no attachment, but just put it on the part where it says 17/6 or 2 5/6.

Hope this helped!

3 0
3 years ago
Figure LMNO is a parallelogram. Angles L and M are supplementary. What is the sum of their measures? The sum of the measures of
Nuetrik [128]

Answer:

180°

Step-by-step explanation:

Supplementary angles are angles whose sum is 180°.  If L and M are supplementary, the sum of their measures is 180°.

6 0
4 years ago
Read 2 more answers
There are at least 190 students going on a field trip. Two buses will carry 60 students each.
natima [27]
There will need to be 4 vans
4 0
3 years ago
F(x)=tgx*ctgx.calculați derivata funcției
Marina86 [1]
Nota: am folosit Google Translate așa că sper sensul nu se pierde în traducere<span>

Sunt presupunând că t, g, și c sunt constante

</span>simplifica

f(x)=cg²t²x²

amintiți-vă că derivitive de af (x), în cazul în care a este o constantă este un lucru ori mai mare decât derivitve lui f (x)

f(x)=cg²t²(x²)

<span>Amintiti-va: derivitive lui x^n este nx^{n-1}</span>
<span>

</span>
<span>f'(x)=cg²t²(2x¹)
f'(x)=cg²t²(2x)
f'(x)=2cg²t²x</span>
5 0
3 years ago
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