P <span>≤ </span>450$ Rebecca can only pay equal to 450$ or less than 450$ so she can only afford A and B
For perimeter you add up the two sides so 15 + 21 equals 36
Cross multiply.
14/12=x/18
14 x 18 = 252
252/12= 21
so x=21
Answer:
Step-by-step explanation:
The 10 represents the speed traveling downsteam while the 3 represents speed upstream. Downstream you have the help of the current, so it would be x + 2, upstream you are working against the current so it would be x - 2.
Answer:
The exterior angle is 77
Step-by-step explanation:
The measure of the exterior angle of a triangle is equal to the sum of the two opposite interior angles.
2x+11 = x +44
First we need to find x
Subtract x from each side
2x+11-x = x+44
x +11 = 44
Subtract 11 from each side
x+11-11 = 44-11
x =33
Now we can find the exterior angle
2x+11 = 2(33)+11 = 66+11 = 77
The exterior angle is 77