Answer:
calculator that what I got 56
Step-by-step explanation:
The required expression is 100 - 0.2w
Step-by-step explanation:
Given,
Amount of radioactive substance = 100 mg
The substance decreases by 20% each week.
To find the remaining amount of the in w weeks.
Now,
Each week 20% = 0.2 of the substance will be decreased.
So, in w weeks 0.2×w of the the substance will be decreased.
Hence,
The remaining substance = 100 - 0.2w
Answer: The correct option is option 6, (-4,-11).
Step-by-step explanation: You subsitute 2x-3 for y.
2x-3=3x+1
-x=4
x=-4
Plug in -4 for x in an equation.
y = -8 - 3
y = -11
(-4,-11)
Answer:
7-8i
Step-by-step explanation:
to find as complex conjugate, simply change the sign of the imaginary pert (the part with the i). this means that is either goes from positive to negetive or from negetive to positive
as as general rule,the complex conjugate of a +bi is a-bi
Answer:
9.375 in^2
Step-by-step explanation:
