155 = 2x -15
170 = 2x
85 = x
She had 85 when she first started.
here's the right answer!
A) 76 + 80 + 78 + x = 82 times 4
234 + x = 328
x = 94
B) Mei needs a score of at least 94 on the next exam.
hope you have a good day
Answer:
As the wheel makes this 270 degree counterclockwise rotation about the origin, the y-coordinate of the first car decreases from 80 to 0 and then further from 0 to -80, and finally increases to 0.
The x-coordinate decreases from 0 to -80 and then increases to 0; from there it increases further to 80.
Thus, the coordinates of the first car, after this 270-degree rotation, are (80, 0).
The answer is x=6. 11-3x6=-7
Because the triangle is isosceles, we know that it has 2 equal sides, which are the 2 legs. We can create an equation with the given information:
26 = 2(b + 4) + b
26 = 3b + 8
18 = 3b
b = 6
If the base is 6, add 4 to get 10.
base = 6 meters
leg = 10 meters
other leg = 10 meters
<em>Hope this helps! :)</em>