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Ainat [17]
2 years ago
11

At noon, the temperature was 77 degrees, but by midnight, it had dropped to 52 degrees. What percent change is that?

Mathematics
1 answer:
Andreyy892 years ago
8 0

The percentage change in temperature is approximately: -32.5%.

<h3>What is Percentage Change?</h3>

Percentage change = (final value - initial value)/initial value × 100.

Given the following:

  • Initial temperature = 77 degrees
  • Final temperature = 52 degrees

Percentage change = (52 - 77)/77 × 100

Percentage change ≈ -32.5%.

Learn more about percentage change on:

brainly.com/question/809966

#SPJ1

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Answer: <em>Parallel lines</em>

Step-by-step explanation:

<em>These lines are </em><em>Parallel</em><em> due to the fact that they will never cross each other. Since they are both perfectly lined up with each other, this makes them </em><em>Parallel.</em>

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8 0
3 years ago
Let g(x) = root of 4x and f(x) = 3x^3 + 8x^2 , what is the expression of the compound h(x) = g(f(x)) ?​
Nitella [24]

The composite function as shown is g(f(x)) =\sqrt{12x^3+32x^2}

<h3>Composite functions</h3>

Given the following fnctions

f(x) = 3x^3 + 8x^2\\g(x) = \sqrt{4x}

The composite function g(f(x)) is expressed as:

g(f(x)) =g(3x^3 + 8x^2)\\g(f(x) )=\sqrt{4(3x^3 + 8x^2)} \\g(f(x)) =\sqrt{12x^3+32x^2}

Hence the composite function as shown is g(f(x)) =\sqrt{12x^3+32x^2}

Learn more on composite function here: brainly.com/question/10687170

4 0
2 years ago
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2y+4x=8 when x=-2,1,3
kondor19780726 [428]
4x + 2y = 8

When x = -2:     4x + 2y = 8
                      4(-2) + 2y = 8
                          -8 + 2y = 8
                        + 8         + 8
                                 2y = 16
                                  2      2
                                   y = 8
                             (x, y) = (-2, 8)

When x = 1:   4x + 2y = 8
                    4(1) + 2y = 8
                        4 + 2y = 8
                      - 4          - 4
                              2y = 4
                               2     2
                                y = 2
                          (x, y) = (1, 2)

When x = 3:    4x + 2y = 8
                     4(3) + 2y = 8
                       12 + 2y = 8
                     - 12        - 12
                               2y = -4
                                2      2
                                 y = -2
                          (x, y) = (3, -2)
5 0
3 years ago
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