3 years ago

How many ways can 3 students out of 4 be chosen for class officers (president, vice president, and treasurer )

Mathematics

1 answer:

anygoal [31]3 years ago

6 0

By 12 ways

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[4|16-38|+6]-17•2

Maurinko [17]

$\bf \underset{\textit{we start from the innermost}}{\stackrel{\mathbb{PEMDAS}}{[4|16-38|+6]-17\cdot 2}}\implies [4\cdot |\stackrel{\downarrow }{-22}|+6]-17\cdot 2\implies [4\cdot \stackrel{\downarrow }{22}+6]-17\cdot 2 \\[2em] [\stackrel{\downarrow }{88}+6]-17\cdot 2\implies \stackrel{\downarrow }{94}-17\cdot 2\implies 94-\stackrel{\downarrow }{34}\implies 60$

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4 years ago

The ratio of a model scal die cast motorcycle is 1:18. the model is 5.25 inches long. what is the length of the actual motorcycl

Rudik [331]

1: 18 = 5.25/x
18(5.25)=1x
94.5=1x
94.5/1=1x/1
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PROBABLY WRONG CHECK WITH SOMEONE

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3 years ago

A hummer gets 300 miles on 20 gallons of gas how many on 50 gallons of gas

bija089 [108]

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300/2 = 150

150 x 5 = 750

It would be 750 gallons.

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3 years ago

The peso is the currency of Mexico. On October 17, 2016, the exchange rate for 1 Mexican peso was $0.053 U.S. If a traveler exch

Allushta [10]

1 peso = 0.053 dollars.

x pesos = 400 US dollars.

1/x = 0.053 / 400 Cross multiply

400 * 1 = 0.053 x Divide by 0.053

400/0.053 = 0.053*x / 0.053

7547.17 pesos which rounded is

Answer: 7547 pesos

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3 years ago

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leva [86]

Answer:

12b+1

Step-by-step explanation:

-4 + 4b + 5 + 8b

12b+1

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3 years ago

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