Ans: 123000
because 3361 gets rounded to 3000
Answer:
see explanation
Step-by-step explanation:
Given
tan a =
= 
We require the hypotenuse h
Using Pythagoras' identity
h² = 9² + 40² = 81 + 1600 = 1681 ( take square root of both sides )
h =
= 41 , thus
sin a =
= 
cos a =
= 
Answer:
4x=100 x=25
Step-by-step explanation:
ANSWER
x=3, y=-4
EXPLANATION
The given system is :
First equation:

Second equation:

Let us multiply the first equation by 7 to get,
Third equation;

Let us multiply the second equation too by 10 to get,
Fourth equation:

Subtract the fourth equation from the third equation:


Divide both sides by 59.

Put y=-4 into the second equation and solve for x.





The solution is x=3, y=-4