Answer:
z=0
Step-by-step explanation:
if the equation was 1/4(3z)7=-1z
Answer:
45
Step-by-step explanation:
6a 6b
2 : 3
30 : x
<u>30</u><u>×</u><u>3</u>
2
=45
Answer:
The average speed is 36.67 m/h
Step-by-step explanation:
100/50 = 2
120/30 = 4
Total time = 6
Total distance = 220 miles
220/6 = 36.67
Answer:
In total 177 more students enrolled this year.
Step-by-step explanation:
First get the sum of the students who enrolled in 1995, then the sum of 2005 and then subtract the sums.
Answer:

Step-by-step explanation:
see the attached figure to better understand the problem
In the right triangle ABC
-----> the cosine is the adjacent side to angle A divided by the hypotenuse
substitute the values and solve for x

