Answer:
x=-3
Step-by-step explanation:
Answer:
please can I get the full picture I can't fully understand
Answer:
41 degrees
Step-by-step explanation:
see the attached figure to better understand the problem
we know that
Applying the law of cosines
we have
A is the measure of the angle formed from the line from each lamppost to Bob
substitute
Answer:
use mathwsy
Step-by-step explanation:
Hi there! You are subtracting a negative number, which is basically the same thing as adding, because two negatives make a positive. B and C is out, because they do not fit the expression. You are actually adding both numbers and anytime you have to subtract a negative number, you add. When you do basic math, 4 + 7 is 11. Both numbers are negative and D does not work, because you're adding from a negative number. The only answer choice that has the expression is A. The answer is A.