Answer:
76.8
Step-by-step explanation:
total score of 23 tests=23×78=1794
now total of 25 tests=1794+70+56=1920
new mean=1920/25=76.80=76.8
Answer:
Step-by-step explanation:
1- A (0.166 repeating)
2- B (.28)
3- B (.7777 repeating)
4- A (.08333 repeating
5- 8.1 (3 gallons) 1.35 (1/2 gallon)
so 9.45 dollars
f(x)=-3√ x+5
That is your answer :DDDDDDDDDDDDDDDDDDDD
Step-by-step explanation:
a²+b²=c²
THIS is the Pythagorean theorem which is:
Hypotenuse² + Base² = perpendicular ²
Thus inputting values:
(√117)² + (6)² = (x)²
117 + 36 = x²
x² = 153
x= √153 (ans)