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Alexxandr [17]
3 years ago
11

What is the value of x if the size is 3

Mathematics
1 answer:
Leviafan [203]3 years ago
3 0

Answer:

3x

Step-by-step explanation:

3*x

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A small auditorium has 10 rows of seats. There are 12 seats in the row and 16 seats in the second row the number of seats in a r
guapka [62]

This problem can be solved through simple arithmetic progression

Let

a1 = the first term of the sequence

a(n) = the nth term of the sequence

n = number of terms

d = common difference

Sn = sum of all terms

 

given

a1 = 12

a2 = 16

n = 10

 

d = 16 -12 = 4

@n = 10

a(n) = a1 + (n-1)d

a(10) = 12 + (9)4

a(10) = 48 seats

 

Sn = (n/2) * (a1 + a(10))

Sn = 5* (12 + 48)

Sn = 300 seats

 

Therefore the total number of seats is 300.

 

 

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3 years ago
Julian is a teaching assistant at a local community college. A tutor at the same college works the same hours as Justin but earn
mafiozo [28]
The equation for this would be 2x+15000=102,000
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3 years ago
One number is 2 greather than another. the product of the number is 80 . find the numvers
Oduvanchick [21]
The number is 82

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6 0
3 years ago
18$ for 6 balloons. 2$ for additional balloons . How many balloons can you buy with 50?
alukav5142 [94]

Answer:

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Step-by-step explanation:

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32/2 = 16 (balloons)

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4 0
3 years ago
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What is the value of the slope of a line with the equation: 20-5x?
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Answer:

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