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Lina20 [59]
3 years ago
11

How can I solve and check for 12>2x-8=15?

Mathematics
2 answers:
makkiz [27]3 years ago
8 0
Solve by isolating x, check by plugging in the value you got for x in the original equation
DanielleElmas [232]3 years ago
8 0
First start with trying to solve 2x-8 which you solve by doing the following above, then you see that x=4 which means that 2x-8= 0
2x4-8
2x4=8
8-8=0
Idk what the greater sign means but 12 is bigger than 0 or it is incorrect cuz the answer will still be 12

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2 years ago
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If f(x) = 5x + 4, which of the following is the inverse of (fx)?​
lys-0071 [83]

Answer:

see explanation

Step-by-step explanation:

let y = f(x) and rearrange making x the subject, that is

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3 0
3 years ago
Find an explicit formula for the geometric sequence -40,-20,-10......
garik1379 [7]

Answer:

The explicit formula for the geometric sequence is c(n) = -40\cdot \left(\frac{1}{2} \right)^{n-1}.

Step-by-step explanation:

By definition of geometric sequence, we should use the following expression:

c(n) = c_{1}\cdot r^{n-1}, n \ge 1 (1)

Where:

c_{1} - First term.

r - Geometric rate.

n - Position of the element within the series.

If we know that c_{1} = -40 and r = \frac{1}{2}, then the explicit formula for the geometric sequence is:

c(n) = -40\cdot \left(\frac{1}{2} \right)^{n-1}

The explicit formula for the geometric sequence is c(n) = -40\cdot \left(\frac{1}{2} \right)^{n-1}.

3 0
3 years ago
G DHS hehhsjshsggdshjsnehejysgwfwgwhahahavavav
pishuonlain [190]
Ummmmm huh? Ok, whatever
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