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4 years ago

A function g is defined by g(x)=50−2x. If x increases by 7, by how much does g(x) decrease?

Mathematics

2 answers:

Temka [501]4 years ago

8 0

Answer: g(x) decreases by 7

Step-by-step explanation:

Simple algebra and substitution of variables for the number can help you to solve the problem,

g(7)=50-2(7)

g(7)=50-14

g(7)=36

I hope this helps

AVprozaik [17]4 years ago

7 0

Answer:

Step-by-step explanation:

2*7=14

It's that simple.

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In a flight of 600 km, the speed of the aircraft was slowed down due to bad weather. The average speed of the trip was decreased

UkoKoshka [18]

The average speed would be 600 km/hr.

Step-by-step explanation:

Let the original speed be 'x'

Let the decreased speed be 'x-200'

Distance = 600 km

Time increased by 30 minutes

According to question, it becomes,

$\dfrac{600}{x-200}-\dfrac{600}{x}=\dfrac{30}{60}\\\\\dfrac{x-(x-200)}{x^2-200x}=\dfrac{1}{2\times 600}\\\\\dfrac{200}{x^2-200x}=\dfrac{1}{1200}\\\\240000=x^2-200x\\\\x^2-200x-240000=0\\\\x=600,-400$

So, The average speed would be 600 km/hr.

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3 years ago

6% of $22 equals $1.32 what is the total including tax?

amid [387]

Answer:

$23.32

Step-by-step explanation:

Add $22 and $1.32 to get the total.

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3(2x + 5)= 4 (c-3) I know how to solve it but can someone explain it.

Nezavi [6.7K]

Answer:

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Step-by-step explanation:

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Answer:

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