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oksano4ka [1.4K]
3 years ago
13

Describe three different substitutuion method

Mathematics
1 answer:
ankoles [38]3 years ago
7 0

elimanation  variations matrix

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A number has the digits 1, 9 and 5 to the nearest 100 the number rounds to 600. What is the number?
mars1129 [50]

Answer:

<u><em>591</em></u>

Step-by-step explanation:

the closest number to 600 out of every combo

195

159

951

915

519

591

4 0
3 years ago
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If 7 liters of petrol cost $14.70, calculate the cost of 15 liters of petrol.​
Alex73 [517]

Hi

7 = 14.70

15= X

so :  X =  15*14.70 /7 = 31.5

15 liters  of petrol cost  31.5

5 0
3 years ago
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1. WRUF 103.7 FM is giving away tickets to a concert. Tim, the general manager of the
Eva8 [605]

Answer:

Kindly check explanation

Step-by-step explanation:

Given that :

Upper level seat = $25

Mid level seat = $40

Number of tickets to give away is at least 25

Budget constraint = $1000

part A: write a system of two inequalities that describe this situation

Number of tickets constraint:

Upper level + mid level ≥ 25

u + m ≥ 25

Cost constraint :

$25u + $40m ≤ $1000

Part B:

Give away 10 upper level seat tickets and 15 mid level seat tickets

8 0
3 years ago
How can you use a 10-by-10 grid to model 12%? You can shade half of the squares. You can shade half of one row of the squares. Y
TiliK225 [7]

Answer:

The options provided do not have the correct answer. Read below.

Step-by-step explanation:

Given a 10 by 10 grid model means that there are exactly 100 individual squares present. This shows that each square is equal to 1%.

None of the options provided gives us 12% of the model.

The first option results in 50%, the second results in 5%, third option results in 0.5% and the last option results in 2%.

For 12% we can shade 12 squares completely, half of 24 squares etc.

I hope this answer helps.

3 0
3 years ago
I'm simply horrible at algebra, pls help a friend out thanks guys :~)
muminat
Too many questions to be typed out ... I did it on the paper instead.

8 0
3 years ago
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