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Galina-37 [17]
3 years ago
5

1/2(8-4X) + 1/3 (9X - 6)

Mathematics
2 answers:
galben [10]3 years ago
8 0
The simplified equation is
X + 2
taurus [48]3 years ago
4 0
Your. Anwser is 15 hejsbddj
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Needhelpslovingthisproblem
Mnenie [13.5K]

Answer:

-4 to -1.5

Step-by-step explanation:

When the graph start to slope downwards or go down its decreasing. So when the hump starts to go down at (-4,0) it then starts to go up again after (-1.5,0). Hope this helps:)

3 0
3 years ago
Which one doesn’t belong??
Iteru [2.4K]

Answer:

40% OR -1/4

Step-by-step explanation:

It could be 40% as all the other numbers are in fraction form while this one is written as a percent.

It could also be -1/4 because that is the only negative number.

7 0
3 years ago
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Random samples of size 81 are taken from an infinite population whose mean and standard deviation are 200 and 18, respectively.
TiliK225 [7]

Answer:

d. 200 and 2

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

In this problem, we have that:

Mean = 200

Standard deviation = 18

Sample size: 81

Standard error: s = \frac{18}{\sqrt{81}} = 2

So the correct answer is:

d. 200 and 2

7 0
4 years ago
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Select the correct expanded form for each expression. 155 = . (0.17)3 = .
Nana76 [90]

FIRST ONE b SECOND d

Step-by-step explanation:

3 0
3 years ago
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4r= -36<br> -72<br> -40<br> -9<br> 9
icang [17]

Answer:

4r=-36

-36/4=r

-9=r

Therefore

r=-9

7 0
3 years ago
Read 2 more answers
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