13 cm (approximately)
Step-by-step explanation:
Let the radius of the circle be 'r'.
Area of the circle = πr²
=> 132.7 = (22/7) r²
=> 6.5 ≈ r
Therefore, diameter = 2radius = 2(6.5) = 13 cm
Chris is going 10 mph. After 9 hours, Chris has gone 90 miles. Elena is going 14 mph. After 9 hours, she has gone 126 miles. 126 miles is 36 miles more then 90 miles.
The expression for the total amount he spent on food would be:
(4x+7) + (2x=5)
Answer:
8 students
Step-by-step explanation:
72 slices of pizza and 80 cookies were purchased after a school program
Each student will get an equal numbert of both pizza and cookies
72/8
= 9
80/8
= 10-1
= 9
Hence 8 students can attend the after tutoring program
Determinant = b² - 4ac = (-10)² + 4*1*25 = 100 - 100 = 0
So it has 1 solution.
Answer is D
