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Margarita [4]
3 years ago
5

What is the value of x?

Mathematics
1 answer:
garik1379 [7]3 years ago
3 0

Answer:

x=4

Step-by-step explanation:

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If f(1) = 8 and f(n) = 2f(n − 1) then find the value of f(5).
Andrei [34K]

2f(2Answer:

Step-by-step explanation:

f(1)=8

f(2)= 2(8) = 16

f(3) = 2(16) = 32

f(4) = 2(32) = 64

f(5) = 2(64) =128

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Step-by-step explanation:

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PLEASE ANSWER REALLY DESPERATE FOR A ANSWER
inessss [21]

Answer:

x = 3

x = 0

Step-by-step explanation:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation:

2x^2 - 6x = 0

Pull out like factors

2x * (x - 3) = 0

Solve: 2x = 0

Divide both sides of the equation by 2:

x = 0

Solve: x-3 = 0

Add 3 to both sides of the equation:

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4 years ago
Joshua and Isabella are having a snowball fight. Joshua has a snowball, shaped as a sphere, with a radius of 6 cm. Isabella also
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a theater is designed with 15 seats in the first row, 19 in the second, 23 in the third, and so on. if this seating pattern cont
marusya05 [52]

Answer:

<u>131 seats</u> are in the 30th row.

Step-by-step explanation:

The theater is designed with the first row there are 15 seats, in second row 19 seats and in the third row there are 23 seats.

Now, to find the number of seats in the 30th row.

So, we get the common difference(d) from the arithmetic sequence first:

19-15=4.

Thus, d=4.

So, the first tem a(1) = 15.

The number of last row (n) = 30.

Now, to get the number of seat in the 30th row we put formula:

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

a(30)=15+4(30-1)

a(30)=15+4\times 29

a(30)=15+116

a(30)=131

Therefore, 131 seats are in the 30th row.

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4 years ago
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