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neonofarm [45]
3 years ago
6

Simplify the expression √10 -4 √10 Please don’t guess

Mathematics
1 answer:
Fed [463]3 years ago
3 0

Answer:

\large\boxed{\sqrt{10}-4\sqrt{10}=-3\sqrt{10}}

Step-by-step explanation:

\sqrt{10}-4\sqrt{10}=1\sqrt{10}-4\sqrt{10}=(1-4)\sqrt{10}=-3\sqrt{10}

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Find the value of x so that f(x) = 7.
Genrish500 [490]

Answer:

-2

Step-by-step explanation:

6 0
3 years ago
Identify the graph of the solution set of -2.3< 4 + 0.9y
aleksandrvk [35]
The answer is A assuming that the 7 is negative cause its on the left side of the 0 but I am positive the answer is A
8 0
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Suppose we take two different random samples from the same population of test scores. The population mean and standard deviation
ANTONII [103]

Answer:

A.The confidence interval based on the sample of 64 data values will be more precise.

Step-by-step explanation:

Given that we take two different random samples from the same population of test scores.

The population mean and standard deviation are unknown.

The first sample has 25 data values. The second sample has 64 data values.

When sample sizes grow the confidence interval will be narrower this is due to the reason that margin of error depends on standard error which in turn is inversely proportional to square root of sample size.

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7 0
3 years ago
How are conditional probability and independent events related?
artcher [175]

Answer:

1. P(A|B) - option 2

2. does not affect - option 2

3. P(A) - option 1

Step-by-step explanation:

By the definition, the notation P(A|B) reads the probability of event A given that event B has occured. So, for the first gap correct choice is 2 - P(A|B).

If events A and B are independent, then the probability of event B occuring does not affect the probability of event A occuring. So, for the second gap correct choice is 2 - does not affect.

Events A and B are independent, then

P(A\cap B)=P(A)\cdot P(B)

Use formula for the conditional probability:

P(A|B)=\dfrac{P(A\cap B)}{P(B)}

Since events A and B are independent, we get

P(A|B)=\dfrac{P(A)\cdot P(B)}{P(B)}=P(A)

So, for the third gap correct answer is 1 - P(A)

8 0
4 years ago
1<br> x [4 + 6 x 3} - 9<br> Hurry solve
sweet [91]

Answer:

I know it is 13

Step-by-step explanation:

hope you get it right

7 0
3 years ago
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