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Romashka [77]
3 years ago
7

The temperature dropped 4 degrees each hour for 3 hours. What was the total change in temperature?

Mathematics
2 answers:
Simora [160]3 years ago
5 0

Answer:

12

Step-by-step explanation:

Svetllana [295]3 years ago
3 0

Answer:

12 degrees

Step-by-step explanation:

You have to multiply the degrees by hours

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X+16=_19 use balancing method​
Igoryamba

Answer:

Simplifying

x + 16 = -19

Step-by-step explanation:

Reorder the terms:

16 + x = -19

Solving

16 + x = -19

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-16' to each side of the equation.

16 + -16 + x = -19 + -16

Combine like terms: 16 + -16 = 0

0 + x = -19 + -16

x = -19 + -16

Combine like terms: -19 + -16 = -35

x = -35

Simplifying

x = -35

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3 0
3 years ago
FITNESS Alejandro is a personal trainer. For his clients to gain the maximum benefit from their exercise, Alejandro calculates t
katen-ka-za [31]

Answer:

1). f^{-1}(x) = (200 - \frac{x}{0.85})

2). Inverse function represents the age of the client and 'x' represents the maximum heart rate of the client.

Step-by-step explanation:

Function representing the maximum heart rate is,

f(x) = 0.85(220 - x)

Here x = age of the client

Equation form of the function will be,

y = 0.85(220 - x)

To get the inverse of the given function, replace 'x' by 'y' and 'y' by 'x' and solve for y.

x = 0.85(220 - y)

220 - y = \frac{x}{0.85}

y = 220 - \frac{x}{0.85}

Now convert this equation into a function.

f^{-1}(x) = (200 - \frac{x}{0.85})

Here inverse function represents the age of the client and 'x' represents the maximum heart rate of the client.

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4 years ago
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