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mr_godi [17]
2 years ago
11

Hello to everyone!!! Be the fist to comment get 32 points!

Mathematics
1 answer:
guapka [62]2 years ago
4 0

OMG THANKSSSSSSSSSSSSSSSSSSSSSs

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There are 60 boys in the third year, 24 of whom study chemistry. What percentage of third year boys study chemistry.
quester [9]

Answer:

40%

Step-by-step explanation:

24/60 = .4

8 0
2 years ago
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Combine like terms 5x+3+2x​
chubhunter [2.5K]

Answer:

7x+3

Step-by-step explanation:

The only like terms are 5x and 2x

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Which is bigger 24/7 or 10/3
natulia [17]

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24/7

Step-by-step explanation:

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2 years ago
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[{(-4)^3+(-3)}⋅(-4)]-(-8)+(-3)
kow [346]
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5 0
3 years ago
Help please! 10 points!
Zina [86]
Let the number of chairs Gavin build per week is x and number of tables he builds per week is y.

It takes 4 hours to work on a chair and 10 hours to work on a table. So time taken to work on x chairs and y tables will be:

Time=4x+10y

Gavin wants to work for no more than 40 hours. So we can write the inequality as:

4x+10y \leq 40

It takes $10 worth of supplies to build a chair and $15 worth of supplies to build a table. So cost or worth of supplies for x chairs and y tables will be:

Cost=10x+15y

Gavin wants to spend no more than $80 on material. So we can write the inequality as:

10x+15y \leq 80

Thus the system of inequalities is:

4x+10y \leq 40
10x+15y \leq 80

We can observe the possible combinations from the graph of these inequalities, which is shown below:
a) 0 chair and 3 tables
b) 5 chairs and 2 tables
c) 8 chairs and 2 tables 

3 0
3 years ago
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