Answer:
Step-by-step explanation:
Since the whole right side of that triangle is equal to 28 and the lower portion is 21, then we know the upper portion is 7. Set up a proportion using those sides and the fact that the 2 triangles are similar:
and cross multiply to get
21x = 126 and
x = 6
The answer is A. The player runs 7 meters forward and then runs 7 meters in the opposite direction. Hope it helped!
- Shadow.
The percent error is 34.28 %.
Hope this helps! Be safe out there.
Answer:

Step-by-step explanation:

Isolate the parts of the equation with the x variable

When you divide or multiply by a negative number in inequalities, you must flip the sign of the inequality.
Answer:
No.
Step-by-step explanation:
She wronged in Step 2, -2x + 2 = 8 .
The correct way is :
-2(x+1) = 8
-2x <u>–</u> 2 = 8