Answer:
I dont see any markings
Step-by-step explanation:
Answer:
see below
Step-by-step explanation:
The exterior angle is equal to the sum of the opposite interior angles.
139 = <Q + <P
= 6y+1 + 4y+8
= 10y+9
139 = 10y+9
Subtract 9 from each side
130 = 10y
Divide each side by 10
13 = y
<P = 4y+8 = 4*13+8 = 60
<Q = 6y+1 = 6*13+1 =79
QPR = We know this makes a straight line with 139
= 180-139 = 41
$154.50 you just multiply 5 and to the amount each picture costs
2 rows of 8 chairs
2*8=16
There are 16 chairs.
I hope this helps.
Answer:
43.17 ft/s
Step-by-step explanation:
Let the height of the wall is y.
distance of wall from light is 20 feet.
y = 20 tanθ .... (1)
time period, T = 3 second

Differentiate equation (1) with respect to t.


dy/dt = 20 x 2.16
dy/dt = 43.17 ft/s