Answer: - 2.4x^2 - 1.5x - 11.4
Step-by-step explanation:
- 4.1x^2 + 0.9x - 9.81.7x^2 - 2.4x - 1.6 = - 2.4x^2 - 1.5x - 11.4
Answer:
532
Step-by-step explanation:
The score that represents the top 20% = A score = 80%
Z score for 80% percentile = 0.842
We solve using the z score formula
z = (x-μ)/σ, where
x is the raw score = ??
μ is the population mean = 490
and σ is the population standard deviation = 50
Hence:
0.842 = x - 490/50
Cross Multiply
0.842 × 50 = x - 490
x = 0.842 × 50 + 490
x = 42.1 + 490
x = 532.1
Approximately = 532
Therefore, the test score = 532
Hey!!
here is your answer >>>
Let's take the total amount as 'X'
Then,
(40/100)X = 24
2x /5 = 24
x = (24*5)/2
x = 12*5
x = 60!.
100% is 60
Hope my answer helps!
Step-by-step explanation:
suususisissiaisisjsjx
Answer:
y =x-12
Step-by-step explanation:
Equation of straight line is
