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3 years ago

3/10

Mathematics

2 answers:

Tom [10]3 years ago

8 0

Answer:

12 adults

Step-by-step explanation:

If a child ticket costs 5 dollars

then 125-5=120

120 divided by 10(the cost of each ticket for an adult)

So there are 12 adults

Cloud [144]3 years ago

4 0

Answer:

12 adults

Step-by-step explanation:

125 - 5 = 120 (this is subtracting the child from the equation)

120 / 10 = 12

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3 years ago

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3 years ago

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Juliette [100K]

Answer:

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Step-by-step explanation:

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3 years ago

If you were asked to convert 75 m/s to km/hr, which conversation factors would you need to use. Select all that apply.

Vilka [71]

Answer:

You need to use A, B, and C.

Step-by-step explanation:

Let's treat the units as variables. I'll illustrate why in a moment.

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Now, as you can see, we have a giant mess of units to deal with. This is where we can treat the units like separate variables and use a bit of algebra to make our lives easier:

$\frac{4500m*km*s*min}{1000m*s*min*h}=\frac{4500}{1000}*\frac{m*km*s*min}{m*s*min*h}\\\\\frac{4500}{1000}*\frac{m*km*s*min}{m*s*min*h}=\frac{4500}{1000}*\frac{m}{m}*\frac{km}{1}*\frac{s}{s}*\frac{min}{min}*\frac{1}{h}\\\\\frac{4500}{1000}*\frac{m}{m}*\frac{km}{1}*\frac{s}{s}*\frac{min}{min}*\frac{1}{h}=\frac{4500}{1000}*\frac{m*km*s*min}{m*s*min*h}=\frac{4500}{1000}*1*\frac{km}{1}*1*1*\frac{1}{h}\\\\\frac{4500}{1000}*1*\frac{km}{1}*1*1*\frac{1}{h}=\frac{4500}{1000}*\frac{km}{h}\\$

$\frac{4500}{1000}*\frac{km}{h}=\frac{45}{1}*\frac{km}{h}=45 \frac{km}{h}$

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These correspond to the options of A, C, and B accordingly.

So you need to use A, B, and C.

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3 years ago

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vampirchik [111]

A postulate is a true statement that does not require to be proved . Also called an axiom.

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3 years ago