Step-by-step explanation:
option a
x^5 -3√x^2 -18√x
Answer:
x= 13
Step-by-step explanation:
12²+5²
=169
square root of 169 =13 answer 13#
Answer:
The expected value for the number of inspections until a defective unit is found 17.
Step-by-step explanation:
Percentage of defective microchips = 6%
Let the total number of inspection = x
number of defective microchip = 1
As we know
1/x = 6%
1/x = 0.06
x = 1/ 0.06
x = 16.67 inspections
x = 17 ( rounded off to nearest whole number )
17 inspection is done until the defective microchip is found.
Difference of two squares is of the form (a + b)(a - b) or vice-versa. Here, a = -5x and b = 3.
(-5x - 3)(-5x + 3)
Answer: 3
☆Open the brackets by multiplying out
120 - 84 + 9g = 2g + 5g + 36
☆Collect like terms
9g - 2g - 5g = 36 -120 +84
2g = 0
☆Divide by 2 to find x
g = 0
