30, radius is equal to half the diameter, so to get diameter from the radius, multiply the radius by two.
The length of the third side is about 7.81 inches and the perimeter of the triangle is about 18.81 inches
Answer:
Agree
Step-by-step explanation:
The answer is
I know this because I did (4 x 11 x 30) + (7 x 20 x 11)
This is also equal to 1320 + 1540 = 2860. Hope this helped!
Please mark me the Brainiest!
Answer: B 0.5 kWh per day
Step-by-step explanation:
Since the graph represents the function where electricity usage in kilowatts per hour of a clock radio varies directly with the number of days it is plugged into the wall current
The constant of variations will be the gradient ( slope ) of the graph.
Gradient = (Y2 - Y1)/(X2 - X1)
Where X1 = 2, X2 = 6, Y1 = 0.5, Y2 = 1.5
Substitute all the values into the formula
Gradient = (1.5 - 0.5)/( 6 - 4 )
Gradient = 1/2
Gradient = 0.5.
Therefore, a reasonable estimate of the constant of variation is 0.5 kWh per day
