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AnnZ [28]
3 years ago
14

38 4(x + 7) = 38 x +7 x+7 x +7 x +7

Mathematics
2 answers:
Stells [14]3 years ago
5 0

Answer:

x = 2.5

Step-by-step explanation:

4(x + 7) = 38

4x+28 = 38

4x = 10

x = 2.5

Effectus [21]3 years ago
3 0
Didnt u already get the answer i’m very confused rn
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Numbers 50, 42, 35, 2x + 10, 2x -8, 12, 11,8 are written in descending order and their median is 25, find x.
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Answer:

Step-by-step explanation:

25=mean of (5th+6th value)

25=1/2*(2x-8+2x+10)

25=1/2*4x+2

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4x=48

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an earthquake measures 3.6 on the richter scale. what is the amount of energy (ergs) released by the earthquake? give an exact a
Alisiya [41]
We have that 

<span>log10 E = 4.4 + 1.5<span>M
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<span>
the answer is  </span>6.309573444 x10^9 J<span>

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