Answer: the brother is 20 and the sister is 9
Step-by-step explanation:
29 - 11 = 18 18 divided by 2 is 9
9+11 is 20 the brothers age so the sister is 9
Answer:
X=65°
Step-by-step explanation:
Both angles combined is a right angle as indicated by the small square drawn on it, a right angle is always 90° therefore
(x-15°)+40°=90°
combine like terms
x+25°=90°
subtract 25° from each side
x=65°
Since one kilometer is equal to about 0.621 miles, a runner travels 3.105 miles in a five-kilometer race.
Answer: y=1x+9
Step-by-step explanation: Hope this helped!!
If y is on triangle then it’s 40 degrees
