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2 years ago

What is the solution to 0.3(12x-16)=0.4(12-3x)

Mathematics

2 answers:

Colt1911 [192]2 years ago

6 0

X = 2 expand the brackets and then collect like terms (x's on one side) and then dived to get x on its own! :)

Katena32 [7]2 years ago

5 0

Answer:

x = 2 expand the brackets and then collect like terms (x's on one side) and then dived to get x on its own!

Step-by-step explanation:

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Given the speeds of each runner below, determine who runs the fastest.

Tju [1.3M]

Answer:

Stephanie

Step-by-step explanation:

To compare each runner's speed, we must convert them all to the same units.

Let's convert then all to feet per second.

1. Stephanie

Speed = 13 ft/s

2. Emily

$\text{Speed} = \dfrac{\text{538 ft}}{\text{45 s}} = \text{12.0 ft/s}$

3. Brooke

$\text{Speed} = \dfrac{\text{1 mi}}{\text{560 s}} \times \dfrac{\text{5280 ft}}{\text{1 mi}} = \text{9.4 ft/s}$

4. Katie

$\text{ speed} = \dfrac{\text{747 ft}}{\text{1 min}} \times \dfrac{\text{1 min}}{\text{60 s}} = \textbf{12.4 ft/s}$

Stephanie is the fastest runner.

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3 years ago

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lisabon 2012 [21]

Answer:

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Step-by-step explanation:

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2 years ago

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Anastaziya [24]

Answer:

Step-by-step explanation:

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3 years ago

Which property of equality would be used to solve 3x = 81?

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Division x=81/3 that’s right

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3 years ago

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2x to the second power + 2 + 9x to the second power

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Answer:

11x^2+2

Step-by-step explanation:

you put the 9x^2 beside 2x^2 because they are both x^2 then the 2 will stay the same

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2 years ago

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