2 years ago

If M={a,b,c,d} and N={c,b,e,f},find the value of M-N

Mathematics

2 answers:

kumpel [21]2 years ago

8 0

Answer:

M-N= {a,d}

Step-by-step explanation:

subtract the common elements

MrRa [10]2 years ago

8 0

(a, d)

(

Step-by-step explanation:

because a and d are not in N ,

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In ΔJKL, l = 860 inches, j = 920 inches and ∠K=126°. Find ∠L, to the nearest degree.

fomenos

Answer:

Step-by-step explanation:

JKL= ABC, jkl=abc

1.) use law of sines to find k.

$c^{2} =a^{2} +b^{2} -2abCosC$

$c=\sqrt{920^{2} +860^{2} -2(920)(860)cos(126) } = 1586.225515$

2.) use law of cosines to find L

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cross multiply: $\frac{1586.23sinB}{1586.23} =\frac{860sin126}{1586.23}$

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3 years ago

10 points

dsp73

Answer:

Step-by-step explanation:

I hope this helps and sorry if I'm wrong!

4 0

2 years ago

If M={a,b,c,d} and N={c,b,e,f},find the value of M-N​

If M={a,b,c,d} and N={c,b,e,f},find the value of M-N