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3 years ago

What is the solution to -3x-42>3

1 answer:

3 0

-3x-42>3
Add 42 to each side:
-3x>45
Divide by -3 on each side, but since you are diving by a negative, you have to flip the sign of the inequality:
x<45/-3

x<-15

Hope this helps :)

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3 years ago

Nx-5= -0.4<br> What is N?

denis-greek [22]

Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

The captain of a ship at point A and sailing toward point B observes a lighthouse at L and finds angle LAC to be 36*30'. After s

wel

Answer:

The distance between B and lighthouse is 3.8688 km

Step-by-step explanation:

Given:

The angle made from ship to lighthouse is 36.5 degrees

and that of point B is 73 degrees.

To Find:

Distance Between Point B and Lighthouse

Solution:

<em>Consider a triangle LAB(Refer the attachment )</em>

And Point C is on the line AB as A i.e. ship is sailing to B

So C is at 5 km from A.

Now In triangle LAC,

Using Trigonometry Functions as ,

tan(36.5)=LC/AC

LC=tan(36.5)*AC

=0.7399*5

=3.6998 km

Now In triangle LBC,

As,

Sin(73)=LC/LB

LB=LC/(Sin(73))

=3.6998/0.9563

=3.8688 km

LB=3.8688 km

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3 years ago