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2 years ago

If there are 15 cats in the apartment complex how many dogs are there?

Mathematics

2 answers:

alexira [117]2 years ago

5 0

Answer:

What I don't get the question

Step-by-step explanation:

meriva2 years ago

3 0

Answer:

3 dogs

Step-by-step explanation:

So there is 1 dog for every 5 cats

15 divided by 5 = 3

5 is 5 cats for each 1 dog

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The standard deviation of a sample taken from population A is 17.6 for a sample of 25.

lawyer [7]

Answer:

The standard deviation of the sample mean differences is _5.23_

Step-by-step explanation:

We have a sample of a population A and a sample of a population B.

For the sample of population A, the standard deviation $\sigma_A$ is

$\sigma_A = 17.6$

The sample size $n_A$ is:

$n_A = 25$ .

For the sample of population B, the standard deviation $\sigma_B$ is

$\sigma_B = 21.2$

The sample size $n_B$ is:

$n_B = 30$ .

Then the standard deviation for the difference of means has the following form:

$\sigma=\sqrt{\frac{\sigma_A^2}{n_A}+\frac{\sigma_B^2}{n_B}}$

Finally

$\sigma=\sqrt{\frac{17.6^2}{25}+\frac{21.2^2}{30}}\\\\\sigma= 5.23$

7 0

3 years ago

Breakout room#5 code?

slavikrds [6]

Answer:

what do you mean

Step-by-step explanation:

8 0

2 years ago

Will a 7/32 inch diameter pin fit into a reamed hole with a diameter of 0.215 inches?

lana [24]

Answer:

no ... the pin will not fit the reamed hole

Step-by-step explanation:

The decimal equivalent of 7/32 is 0.21875. This is larger than the reamed

hole: 0.215

and so the answer is no ... the pin will not fit the reamed hole.

6 0

2 years ago

The roots of the equation x^2+px+q=0 are -1 and 3. what is the value of q?

Alex787 [66]

Answer:

Step-by-step explanation:

6 0

2 years ago

Mark correctly drew a heptagon on the board. How many interior angles does Mark's heptagon have?

olchik [2.2K]

There are 7 interior angles

7 0

2 years ago