Answer:
28.134 + 17.922 + 34.023 = 80.079
83.736 - 80.079 = 3.657
Lings relay team beat the champions by 3.657 seconds
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3(j+4)-9=9
3j + 12 -9 =9
3j +3 =9
3j =6
j=2
Answer:
angle y = 49°
Step-by-step explanation:
If AB = AD and BC = DC, then the two triangles are isosceles triangles. The altitude from the top to the base divides the top angle into two equal angles, with 90° angles at the base. If angle C is divided into two equal angles (41°) and at the base is a 90° angle, that makes angle CBD 49°. On an isosceles triangle, the two angles opposite to the equal sides are identical. So angle y is identical to angle CBD.
Here is the graphed equation.
