Equation of the line in point slope form is y + 3 = -1/2(x - 7)
Step-by-step explanation:
- Step 1: Given slope of the line is -1/2 and passes through the point (x1, y1) = (7, -3). Equation in point slope form is y - y1 = m(x - x1)
⇒ y - (-3) = -1/2(x - 7)
⇒ y + 3 = -1/2(x - 7)
<u><em>Answer:</em></u>
<u><em>D. 51</em></u>
Explanation:
This question's it's about the order of operations. P-parenthesis, E-exponents, M-multiply, D-divide, A-add, and S-subtract. It can also go left to right.
First, do exponents.
Then add left to right.
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a) Rainbow phone: c=100+6x
Cellular phone: c=80+10x
b) make the equations equal to each other:
100+6x=80+10x
20=4x
5=x
5 GB over
c)if x=6
Rainbow: 100+(6 x 6)= $136
Cellular: 80+(10 x 6)=$140
Therefore rainbow will save them the most money
Answer:
C. and D.
Step-by-step explanation:
The root of √x is either equal or bigger than 9
