Колко 2+2(тест)искам да знам за един тест
1 answer:
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<h2>The cost is same for both the options if we purchase 27 photos</h2>
Step-by-step explanation:
Cost of a photo at a local store is $0.25 per photo. This cost can be modeled to be linear in number of photos as .
Cost of photos purchased online is $0.15 per photo. However there is a shipping cost of $2.70. This can also be modeled to be linear in number of photos as .
Let us assume both costs are the same if we purchase photos.
So,
∴ On purchasing 27 photos, cost for both the options is the same.
Answer:
- i
Step-by-step explanation:
Given
Multiply numerator/ denominator by i
= [ i² = - 1 ]
=
= - i