Answer:
x = 15
Step-by-step explanation:
Since it a right triangle we can use the Pythagorean theorem
c² = a² + b²
c = hypotenuse
a, b = legs
plug in the values
x² = 9² + 12²
solve
x² = 81 + 144
x² = 225
x = 15
5% is the same as .05, so in this case, the sales tax is added by .05. Subtract .05 from 24.45 to get the original price of the futon. You'll get $24.40
Answer:
The number N of bacteria in a refrigerated food is given by N(T) = 10T^2 - 20T + 600, 2 ≤ T ≤ 20 where T is the temperature of the food in degrees Celsius. When the food is removed from refrigeration, the temperature of the food is given by T(t) = 3t + 2, 0 ≤ t ≤ 6 where t is the time in hours.
Step-by-step explanation:
Answer:
145 yards squared
Step-by-step explanation:
So the area of the base is area of a square with side length of 5 yards 
The area of one triangular face base times height divided by two and then simply multiplied by 4 because there are 4 triangular faces.
So the total surface area is 
yards squared
Answer:
0
Step-by-step explanation:
0/57 is going to be 0 since you have 0 out of 57 pizzas.
