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Shkiper50 [21]
3 years ago
6

DUE IN AN HOUR ASAP Help me please

Mathematics
1 answer:
Gennadij [26K]3 years ago
5 0

#1     18sin(8/10)

#2    4cos(8/10)

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Given that P = (-5, 5) and Q = (-13, 10), find the component form and magnitude of 2 vector PQ.
Brut [27]
Define unit vectors along the x-axis and the y-axis as \hat{i} , \, \hat{j} respectively.

Then the vector from P to Q is
\vec{PQ} = (-13+5)\hat{i} + (10-5)\hat{j} = -8\hat{i} + 5\hat{j}
In component form, the vector PQ is (-8,5).

The magnitude of vector PQ is
√[(-8)² + 5²] = √(89) = 9.434

Answer:
The vector PQ is (-8, 5) and its magnitude is √89  (or 9.434).
4 0
3 years ago
Read 2 more answers
Bonus question ! <br> If you answer something dumb I'll report you .
Liono4ka [1.6K]
Hello,
We know that
1/Angle 1= Angle 6= Angle 9= Angle 14=Angle 3= Angle 8= Angle 11= Angle 16

2/Angle 2= Angle 5= Angle 10= Angle 13= Angle 4=Angle 7=Angle 12= Angle 15

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Option C:
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None

Option D:
Angle 13= Angle 12
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Option E:
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4 0
3 years ago
Read 2 more answers
X/2.1 = -1.8<br><br> Show your work and check it (write it out plz)
Lerok [7]
X = -1.8 * 2.1
x = 3.78

don't know how i can write it longer
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TeX rendering has been iffy at best on this site for the past few days, at least in my experience. I've attached a solution below.

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3 years ago
How did you decide which make a ten fact to use? Explain
s2008m [1.1K]
If you are asking when you divide ten into a number, remember this, anything that ends with a 0, it is divisible by 10.
8 0
3 years ago
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