Even if I have use bidmas I'm still confuse with this equation (-7i)(2+i)+(2i)(-7i)
1 answer:
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Answer:
Step-by-step explanation:
Given
for every 3
Required
Determine the function that represents Jessie's daily earnings:
From the question, we have that:
y = earnings
x = phones
If for 3 phones, he gets 10.
i.e.:
3 pieces = 10
then
----- By dividing both sides by 3
and
----- By multiplying both sides by x
The above expression represents the additional earnings for x phones
So, daily earnings y is calculated as :