Answer:
f(3) = -20
Step-by-step explanation:
To find the value of a function, substitute the number for the variable and do the arithmetic.
f(x) = -2x^2 +x -5 . . . . . . given
f(3) = -2(3^2) +(3) -5 . . . . function value for x = 3
f(3) = -2(9) +3 -5 = -18 +3 -5
f(3) = -20
Answer:
(a)Attached
(b)69 degrees
(b)The ladder is safe
Step-by-step explanation:
(a)See attached diagram
The wall is length |AB| and the ladder is length |AC|
(b)
(c)Jamie wants the angle of the ladder makes with the ground to be no greater than 75 degrees for safety reasons.
Since the angle formed between the ground and the ladder (69 degrees) is less than 75 degrees, the ladder is safe the way it is positioned.
Answer:
Step-by-step explanation:
a) categorical
b) add all of the numbers and divide by how many numbers there were.
c) outliers means any that were far away from the rest of the data
d) not entirely, you can make an estimate based on it, but nat an exact answer.
Answer:
0.027
Step-by-step explanation:
0.1×0.1×0.1=0.027----->2.7×10^-2
Answer:
10
Step-by-step explanation:
