Answer:
B
Step-by-step explanation:
i hope it helps
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Answer:
No, it is a value that is greater than 0
Step-by-step explanation:
A growth factor is indeed a value greater than 1 except it can be a decimal below 1 to. Therefore, a growth value is any POSITIVE number.
Answer: There is 4 times as much water than broth in the soup recipe.
Step-by-step explanation:
12/3 = 4
Answer: the length is 8
Step-by-step explanation:
If you expand out the brackets you get this,
(4+5i)(a+2i) = 4a + (5a)i + 8i - 10
The -10 comes from 5i * 2i.
Squaring i becomes -1.
Let's group the real stuff together,
and imaginary separately,
(4a - 10) + (5a + 8)i
For this to be purely imaginary,
the real part needs to be zero.
Therefore 4a - 10 = 0
Solve for a.
