Answer:
116
Step-by-step explanation:
supplementary angels : angle a + angle b= 180
p + q =180
p + 64 =180(cuz q=64)
p = 180 - 64
p = 114
Answer:
4269
———— = 21.34500
200
Step-by-step explanation:
Step 1 :
4269
Simplify ————
50
Equation at the end of step 1 :
4269
———— ÷ 4
50
Step 2 :
4269
Divide ———— by 4
50
Final result :
4269
———— = 21.34500
200
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Answer:
Number of miles = intercept + ___*gallons
Step-by-step explanation:
the table is not shown
Answer:
The maximum revenue is $900, obtained with 30 people
Step-by-step explanation:
Naturally, the answer should be a number equal or higher than 20, because up to 20 persons, each one pays the same. Lets define a revenue function for x greater than or equal to 20.
f(x) = x*(40-(x-20)) = -x²+60x
Note that f multiplies the number of persons by how much would they pay (here, assuming that there are more than 20).
f is quadratic with negative main coefficient and its maximum value will be reached at the vertex.
The value of the x coordinate of the vertex is -b/2a = -60/-2 = 30
for x = 30, f(x) = 30*(40-(30-20))=30*30=900
So the maximum revenue is $900.
The answer is D, there is no bias as Josh used random sampling.
