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Sever21 [200]
4 years ago
13

Algebraic expression of 3x and -4y

Mathematics
1 answer:
makvit [3.9K]4 years ago
3 0

Answer:

3x - 4y

Step-by-step explanation:

This results in the algebraic expression 3x - 4y.  Nothing more can be done here.

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He purchased $12.00 worth of lemons and $4.00 worth of glasses to make the lemonade.
Allushta [10]

Answer:

<em>The minimum number of glasses of lemonade is 70</em>

Step-by-step explanation:

<u>Equations</u>

With the data provided, we can build a model for the profit that Michael gets for selling lemonade.

First, we set up the cost function. He purchased $12 in lemons and $4 in glasses. It makes a fixed cost of $16. He also spends $0.02 per glass of lemonade fot the sugar. Being x the number of glasses of lemonade Michael sells, the total cost is modeled by

C(x)=16+0.02x

The revenue for selling x glasses of lemonade is

R(x)=0.25x

The profit is

P(x)=R(x)-C(x)=0.25x-(16+0.02x)

P(x)=0.23x-16

To make profits:

0.23x-16>0

Solving for x

x>16/0.23

x>69.6

Since x must be an integer

The minimum number of glasses of lemonade is 70

7 0
3 years ago
Len needs to run at least 3 miles a day to get ready for a cross-country race. One lap of the school track is 400 yards. If len
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No because 4 laps around the track is one mile so if he did then he would have only done two and a half miles
5 0
3 years ago
Simplify.<br><br> 8m+4n+7m−2n
liraira [26]

Answer:

15m + 2n

Step-by-step explanation:

3 0
3 years ago
Three added to 4 times a number is equal to 5 less than 6 times the number.
GenaCL600 [577]
In numbers only: 
4x + 3 = 6x - 5

C)x = 4
7 0
3 years ago
Help pls jssjsjnsbdjdjdu
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The answer is d because that’s the process that it takes and has
5 0
3 years ago
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