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Anit [1.1K]
3 years ago
11

If a(x)=3x+1 and b(x)=square root of x-4, what is the domain of (b•a)(x)

Mathematics
1 answer:
jarptica [38.1K]3 years ago
6 0

Answer:

NO

Step-by-step explanation:

....

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At yesterdays ball game, 2,842 tickets were sold. The price of each ticket was $7.50. Which amount is closest to the total amoun
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Answer:

C. $20,000

Step-by-step explanation:

2,824*$7.50=$21,315

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3 years ago
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2b^2+4b–2=0 what is the answer?
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2b^2+4b-2=0\\
2(b^2+2b-1)=0\\
2(b^2+2b+1-2)=0\\
2((b+1)^2-2)=0\\
2(b+1)^2-4=0\\\
2(b+1)^2=4\\\
(b+1)^2=2\\
b+1=-\sqrt2 \vee b+1=\sqrt2\\
b=-1-\sqrt2 \vee b=-1+\sqrt2


5 0
3 years ago
Which of the following expressions is equivalent to 8⋅8⋅8⋅8⋅8⋅8 ?
hodyreva [135]

Answer:

262144, 2 to the power of 18, or 2.62144 x 10 to the power of 5

Step-by-step explanation:

did not see a list of choices so I gave you the only other ways you could write this.

8 0
3 years ago
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Assume that the weights of spawning Chinook salmon in the Columbia river are normally distributed. You randomly catch and weigh
s344n2d4d5 [400]

Answer: The point estimate for the mean weight of all spawning Chinook salmon in the Columbia River is the mean weight from your sample (\overline{x}) = 31.2 pounds .

Step-by-step explanation:

The weights of spawning Chinook salmon in the Columbia river are normally distributed.

Given :  The mean weight from your sample is 31.2 pounds with a standard deviation of 4.4 pounds.

The point estimate for the mean (\mu) weight of all spawning Chinook salmon in the Columbia River is the mean weight from your sample (\overline{x}) i.e. is 31.2 pounds because the best point estimate for population mean is the sample mean. [in normal distribution]

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