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3 years ago

How many subsets does set A have if set A has 3 elements

Mathematics

1 answer:

kifflom [539]3 years ago

7 0

Good morning ☕️

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Step-by-step explanation:

it has 8 subsets.

>Remember< : the number of subsets that set A have if set A has n elements

equal to 2ⁿ

In this case we A have 3 elements then its number of subsets is 2³=8

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Y_Kistochka [10]

Answer:

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Step-by-step explanation:

1:2 means that you have to multiply the first number by 2 to get the second number. Therefore, you have to multiply 9 by 2, which is equal to 18. Therefore, it would be 9:18.

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3 years ago

N + 3 = -7 can anyone help me out

OverLord2011 [107]

QUESTION:

n + 3 = -7

ANSWER:

$\blue{\boxed{n = - 10}}$

STEP-BY-STEP EXPLANATION:

First, Subtract 3 from the both sides of the equation

$\blue{\boxed{n = - 7 - 3}}$

Last, Subtract 3 from - 7

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Shalnov [3]

Answer:

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3 years ago

The sales tax on the model rocket shown is $1.92. What is the percent of sales tax? A drawing of a model rocket with a tag label

astraxan [27]

Answer:

The sales tax is 8%

Explanation:

We are given that:

The price of the rocket is $24 and the sales tax is $1.92

To get the percentage of the sales tax, all we have to do is divide the sales tax by the price of the rocket and then multiply the quotient by 100 (to convert the ratio to percentage)

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3 years ago