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Grace [21]
3 years ago
5

Ian and his friends are renting a cabin that charges an initial fee plus a rate per night. The relationship between the cost and

number of nights is shown in the graph.
Mathematics
1 answer:
butalik [34]3 years ago
7 0

Answer:

Step-by-step explanation:

what? were is the graph

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ruslelena [56]

Answer:

a

Step-by-step explanation:

7 0
2 years ago
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Find the exact value of Cos 240 degrees without a calculator. Show your work!
VMariaS [17]

it equals <span>(−<span>12</span>)</span> because <span><span>cos<span>(<span>60∘</span>)</span></span>=<span>12</span></span>

Explanation:

The reference angle for <span>240∘</span> is <span>60∘</span> (since <span><span>240∘</span>=<span>180∘</span>+<span>60∘</span></span>)

<span>60∘</span> is an angle of one of the standard triangles with 
<span><span>cos<span>(<span>60∘</span>)</span></span>=<span>12</span></span>

<span>240∘</span> is in the 3rd quadrant so (either by CAST or noting that the "x-side" of the associate triangle is negative)
<span><span>cos<span>(<span>240∘</span>)</span></span>=−<span>cos<span>(<span>60∘</span>)</span></span></span>

<span><span>cos<span>(<span>240∘</span>)</span></span>=−<span><span>12</span></span></span>

6 0
3 years ago
What is the equation of a circle with its center at (10,−4) and a radius of 2?
Dmitrij [34]
Equation of circle
(x-h)^2 + (y-k)^2 = r^2
=> (x-10)^2 + (y+4)^2 = 4 is the answer
7 0
3 years ago
Ten students begin college at the same time. The probability of graduating in four years is 63%. Which expanded expression shows
Lynna [10]

Answer: the answer is a!


Step-by-step explanation:


5 0
3 years ago
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2x^2-7x=-1 what are the solutions in decimal form?
Scorpion4ik [409]
0.14921894<span>3 or 3.3507811

Hope this helps!!
</span>
8 0
3 years ago
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