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riadik2000 [5.3K]
2 years ago
15

Horizon Cell Company charges $15 fee plus 10 cents per text, t, and unlimited phone calls.

Mathematics
1 answer:
m_a_m_a [10]2 years ago
8 0
  • Let per text be t
  • Principal fee=$15
  • Additional fee per text=10

The expression is

\\ \sf\longmapsto 15+10(t)

Or.

\\ \sf\longmapsto C=15+10t

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The amount of trout y (in tons) caught in a lake from 1995 to 2014 can be modeled by the equation y = -0.08x2 + 1.6x + 10, where
Lapatulllka [165]
For this case, the first thing we want to do is substitute the value of y = 15 in the equation.
 We have then:
 15 = -0.08x ^ 2 + 1.6x + 10
 Rewriting we have:
 0 = -0.08x ^ 2 + 1.6x + 10 - 15
 0 = -0.08x ^ 2 + 1.6x - 5
 The solutions are:
 x1 = 3.876275643042054
 x2 = 16.123724356957947
 Nearest whole number:
 x1 = 4
 x2 = 16
 were about 15 tons of trout caught in the lake in the years:
 1995 + 4 = 1999
 1995 + 16 = 2011
 Answer:
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2 years ago
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il63 [147K]

Answer:

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Step-by-step explanation:

x+3>19-3x

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7 0
3 years ago
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What is the numerical sum of angle DEA (X+25) and angle AEB (9x+10) ?
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8 0
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Find the value of x and simplify completely.
jok3333 [9.3K]

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<h2>x=9√10</h2>

Given: A right triangle in which an altitude is drawn from the right angle vertex to the hypotenuse.

To find: 'x' the larger leg of triangle

Solution,

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\frac{leg}{part}  =  \frac{hypotenuse}{leg}  \\ or \:  \frac{x}{27}  =  \frac{3 + 27}{x}  \\ or \: x \times x = 27(3 + 27) \\ or \: x \times x = 81 + 729 \\ or \:  {x}^{2}  = 810 \\ or \:  {x}^{2}  = 81 \times 10 \\ or \:  {x}  =  \sqrt{81 \times 10}  \\ or \: x =  \sqrt{81}  \times  \sqrt{10}  \\ or \: x =  \sqrt{ {(9)}^{2} }  \times  \sqrt{10}  \\  \: x = 9 \sqrt{10}

Hope this helps...

Good luck on your assignment..

7 0
3 years ago
Witch number is composite 5,2,11,9
ololo11 [35]

Answer:

9 is the composite number.

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