He walks to and back from school. 7/8 x 2
14/8 or 1 6/8 or 1 3/4 miles in all.
Answer:
Below.
Step-by-step explanation:
As both the right sides of the 2 equations are equal to y, by the transitive law of equality 3x + 1 = -2x + 3.
W then solve this equation for x then substitute this value of x in the first equation ( y = 3x + 1) to find the value of y.
Answer:
71
Step-by-step explanation:
Here is an excel that explains how to get the result.
rules to find :- 1 All non zeroes number are significant
2 if zero proceeding the decimal point also work as non zero figure
3 zero are following the decimal point and proceeding the first non zero digit
4 Zero in between 2 non zero digits are also significant
5 if 1 zero follow the decimal point
790 :- 2 significant figures
0.0391 :- 3 significant figures ( follow 3 rule)
81.05 :- 4 significant figures ( rule 4)
0.000001 :- 1 significant figure
8546 :- 4 significant figures
79.0 :- 3 significant ( rule 5)
Answer: The last option.
Step-by-step explanation:
The triangle shown in the figure attached is a right triangle.
1. You can calculate the lenght <em>a </em>as following:


Substitute values and solve for <em>a</em>. Then, you obtain:

2. You can calculate the lenght<em> b </em>as following:


Substitute values and solve for <em>b</em>. Then, you obtain:

