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Whitepunk [10]
3 years ago
15

When did pollution first became an issue?

Mathematics
1 answer:
pickupchik [31]3 years ago
6 0

Answer:

1994

Step-by-step explanation:

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Why is this trendline wrong?​
hichkok12 [17]

Answer:

eff

Step-by-step explanation:

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8 0
3 years ago
Using two independent samples, two population means are compared to determine if a difference exists. The population standard de
ANTONII [103]

Answer:

Hence the degrees of freedom are associated with the critical value is 25.

Step-by-step explanation:

Using two independent samples, two population means are  

compared to determine if a difference exists, the population standard deviation is equal.  

sample size 1 = n_{1}= 15 and sample size 2 = n_{2} = 12  

since, population standard deviations are equal, required degrees of freedom              

= n_{1}  + n_{2} - 2 \\= 15 + 12 - 2\\ = 25  

8 0
2 years ago
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
</span></span>E=<span>the released energy in Joules (J)
M= </span><span>earthquake measures---------- > 3.6
</span>log10 E = 4.4 + 1.5*3.6
log10 E = 9.8----------> E=10^(9.8)= 6.309573444 x10^9 J
<span>
the answer is  </span>6.309573444 x10^9 J<span>

</span>
5 0
3 years ago
How do I Use the numbers 8, 6, and 2 and one to write an expression that includes an exponent and has a value of 8.
liberstina [14]

Answer:

Step-by-step explanation:

8,6,2, and 1

(2^6 / 8) * 1  = (64/8) * 1 = 8 * 1 = 8

7 0
3 years ago
How do you answer questions on here
Inessa [10]
You go to “answer” at the bottom and find lots of questions to answer
3 0
3 years ago
Read 2 more answers
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