2. They are both straight lines. The solution of a linear system is where the two lines intersect, and if they're both straight lines, then they can only cross once.
See the picture attached.
See the picture attached.
Lydia read 1/5 of her book last week. this week she read 3 times as much as she read last week. write an expression to show how
1 answer:
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<u>Answer:</u>
a = 8.1
<u>Step-by-step explanation:</u>
Use the cosine rule:
Substituting the values:
⇒
⇒