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Angelina_Jolie [31]
3 years ago
10

Please help with questions #1, #3 and #4 but skip #2; and show your work on how to solve them (don't just give the answer, I'd l

ike to learn this further). This is from my advanced math class, which is due on Monday and worth a huge grade. Thanks in advance! :)

Mathematics
1 answer:
alexandr1967 [171]3 years ago
6 0

Answer:

<u>Step-by-step explanation:</u>

Answer: y = \frac{1}{2320}x + 0.06

<u>Step-by-step explanation:</u>

Consider the "steps: distance" table as an x-y table.  This makes "steps" the x-values and "distance" the y-values.  So, the coordinates are:

(8022, 3.52) and (7558, 3.32)

Need to find the slope (m) and the y-intercept (b).

<u>Slope (m)</u>

m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}

   = \frac{3.52-3.32}{8022-7558}

   = \frac{0.20}{464}

   = \frac{1}{2320}

<u>Point-Slope formula:</u>

y - y₁ = m(x - x₁)       <em>where m is slope and (x₁, y₁) is the point</em>

y - 3.52 = \frac{1}{2320}(x - 8022)

y = \frac{1}{2320}x - \frac{1}{2320}(8022) + 3.52

y = \frac{1}{2320}x - 3.46 + 3.52

y = \frac{1}{2320}x + 0.06

******************************************************************************

Answer: y = 9 miles

<u>Step-by-step explanation:</u>

y = \frac{1}{2320}(21000) + 0.06

  = 9.05 + 0.06

  = 9.11

********************************************************************************

Answer: 521,681

<u>Step-by-step explanation:</u>

225.00 = \frac{1}{2320}x + 0.06

   <u>-0.06 </u>    <u>    - 0.06 </u>

224.94 =  \frac{1}{2320}x

(2320)224.94 =  (2320)\frac{1}{2320}x

521,860.8 = x

********************************************************************************

Answer: 0.06 miles

<u>Step-by-step explanation:</u>

y = \frac{1}{2320}(0) + 0.06

  = 0 + 0.06

   = 0.06


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