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irina1246 [14]
3 years ago
14

Find the distance between the points (2.4, 5) and (9.7, 5).

Mathematics
1 answer:
Margaret [11]3 years ago
7 0

Answer:

7.3

Step-by-step explanation:

Calculate the distance d using the distance formula

d = \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2    }

with (x₁, y₁ ) = (2.4, 5) and (x₂, y₂ ) = (9.7, 5)

d = \sqrt{(9.7-2.4)^2}+(5 - 5)^2

  = \sqrt{7.3^2+0^2}

   = \sqrt{7.3^2}

   = 7.3

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2 years ago
3w + 7=8 need help with this
LiRa [457]
Hope this helps you out 3w+7=8

The answer is w= 1/3

Step by step:

3w+7=8
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Step 2: Divide both sides by 3.
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9514 1404 393

Answer:

  • $9
  • Option 4

Step-by-step explanation:

The equations need to match the problem statements. If we let C and S represent the costs of Cherry and Sweet potato pies, respectively, then the revenue from each sale can be expressed as an equation.

  1 cherry and 7 sweet potato for $114   ⇒   C +7S = 114

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Note that we have used C and S in the second equation in the same order as they appeared in the first equation, even though the problem statement has that order reversed. This facilitates solving the equations using elimination or Cramer's rule.

These equations match Option 4.

__

The cost of a cherry pie can be found by eliminating S from the equations. We can do that by subtracting twice the first equation from the second:

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The cost of each cherry pie is $9.

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