47. 12388980384689 would be the exact circumference of a circle witha diameter of 15 inches :)
Answer:
The answer is : x = 9.505 and x = -1.005
Step-by-step explanation:
To solve the quadratic equation use the formula :

Where a is the coefficient of x² , b is the coefficient of x and c is the numerical term
∵ a = 18 , b = -153 and c = -172
∴ 

∴ x = 9.505 and x = -1.005
9/10, this is just added on because Brainly won’t let me just send 9/10, please make my answer brainliest
Answer:
surface area of rectangle= 2[(l+w) +(l+h). +(w+h)]
hope it helps
10 is the default base for a logarithm
log of 50 is equal to log base 10 of 50