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KATRIN_1 [288]
3 years ago
5

Lela purchased three mechanical pencils and a notebook that cost five dollars per purchase totaled $11 how much was each pencil

use P to represent the cost of each pencil
Mathematics
1 answer:
alexdok [17]3 years ago
3 0

Answer: 3p+5=11

Step-by-step explanation:

3p+5=11

-5 -5

3p=6

3p/3=6/3

P=2

$2

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A businessman buys 1,440 dozen pens at $2.50 a dozen and then sells them at a price of 25¢ apiece. what is his total profit on th
Harlamova29_29 [7]
Profit (P) is calculated by subtracting the total cost (C) from the total revenue (R). The calculations are shown below, 

       R = (1440 dozens) x (12 pieces / 1 dozen) x (25 cents/ piece) = $4320
                   C = (1440 dozens) x ($2.50 / dozen) = $3600
 
                          Profit = R - C = $4320 - $3600 = $720

Thus, the businessman's profit is $720. 

7 0
3 years ago
3(y+6)=30 solve equation
stiv31 [10]

Answer:

3(y+6)=30

3y + 18 = 30

18 - 30 = 3y

12 = 3y

12/3 = y

4 = y

or

y = 4

3 0
3 years ago
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kotykmax [81]

Answer:

the answer is option A

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Step-by-step explanation:

6 0
3 years ago
Find the measure of the missing angle *
lubasha [3.4K]

Answer:

21°

Step-by-step explanation:

we know that every single triangle has to equal 180°

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6 0
3 years ago
Mrs. gomes found that 40% of students at her high school take chemistry. she randomly surveys 12 students. what is the probabili
andrew-mc [135]

Answer:

0.213

Step-by-step explanation:

→ Convert into binomial information

x ~ B ( 12 , 0.4 )

→ Write down probability required

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→ Evaluate

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5 0
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