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kiruha [24]
3 years ago
14

How is an inequality different from an equation? Give a real world scenario in which you would write an inequality rather than a

n equation.
Pls help me ASAP
Mathematics
1 answer:
uysha [10]3 years ago
5 0

An inequality is when you compare two things and one is greater than the other, while for an equation both sides of the equation are balanced. You would use an inequality like when you need to find the minimum you need to achieve for something, like how much you have to save. Ex. Y is greater than or eqaul to 5x + 8 for your trying to pay off rent. You need a payment of 8 dollars at the start. After that, you need to pay 5 dollars a day. Y represents how much you have to earn in order to have enough, or more than enough money to pay of rent.

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2b^3+5=2(3)^3+5 when b=3
seraphim [82]

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5 0
3 years ago
Adrian is a songwriter who collects royalties on his songs whenever they are played in a commercial or movie. Adrian will earn $
gayaneshka [121]

Answer:

Adrian's songs played on 9 commercials and 5 movies.

Step-by-step explanation:

Let x denotes number of commercials and y denotes number of movies.

Total number of commercials and movies = 14

So,

x+y=14\\x=14-y\,\,\,\,...(i)

Adrian will earn $40 every time one of his songs is played in a commercial and he will earn $130 every time one of his songs is played in a movie

Total amount earned = $1010

40x+130y=1010\,\,\,...(ii)

Put x=14-y in (ii)

40(14-y)+130y=1010\\560-40y+130y=1010\\90y=1010-560\\90y=450\\y=\frac{450}{90}=5

Put y=5 in x=14-y

x=14-5=9

Therefore, Adrian's songs played on 9 commercials and 5 movies.

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3 years ago
Is <br><br> Y=-3/4x -2 <br> Y=3/4x+1 <br><br> One solution many solution or no solution
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