Answer:
6.5e^(i·(-157.38°)) ≈ 6.5e^(-2.7468i)
Step-by-step explanation:
A suitable calculator can find the value of this ratio for you.
((2+3i)/(1-i))² = -6 -2.5i ≈ 6.5∠-157.38° ≈ 6.5e^(-2.7468i)
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The second attachments shows the calculator set to radian mode for the angle measure.
Answer:
Jada walked
Elena walked
Lin walked
Step-by-step explanation:
Let
x----> total miles walked by Jada
y----> total miles walked by Elena
z----> total miles walked by Lin
we know that
-----> equation A
----->
------> equation B
------> equation C
Substitute equation C and equation B in equation A and solve for x
Find the value of y
Find the value of z
therefore
Jada walked
Elena walked
Lin walked
Answer:
The third number is 47.
Step-by-step explanation:
The sum of three numbers is 3068 - this can be expressed mathematically as:
Given that two of the numbers are 1266 and 1755 (in order) then substitute x = 1266 and y = 1755:
Find the third number - solve for z-variable:
Therefore, the third number is 47.