Answer:
a=1/2b, 2a=b
Step-by-step explanation:
Since angle a is 1/2 the size of angle b, a=1/2b and b=2a. In order to get a numeral answer, you need the number of one of the angles.
Answer:
x = -1 + 2 sqr2
or
x = -1 -2 sqr2
Step-by-step explanation:
Answer:
Step-by-step explanation:
First, she has to add. Second, she has to divide.
5x - 3 = 12
+ 3 + 3
——————
5x = 15
x = 3
Hope this helps!
Answer:
After 10 minutes , Sally is 15 miles from home
After 21 minutes , Sally is 41 miles from home
