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Sonja [21]
4 years ago
13

What is -81=26+n? Please answer if you know

Mathematics
1 answer:
Nastasia [14]4 years ago
7 0

Answer:

I'm sure the answer to this is that n= -107

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Simplify (-220k)(5.8k) completely.
hram777 [196]

Answer:

-1,276  {k}^{2}

Step-by-step explanation:

( - 220k)(5.8k) \\  =  - 220 \times 5.8 \times k \times k \\  = -1,276  {k}^{2}

8 0
3 years ago
Please help asap! explaining how you got the answer will give you brainliest.
xeze [42]
It would be 6 because the other short side is 6 so it should be 6 units
7 0
3 years ago
Find a rational number between (-1/3) and (2/5) <br><br> Please Help Me....!‍♀️
Leona [35]

Answer:

1/2 and 3/5 can be written as 20/40 and 24/40. Between them you can have 3 rational numbers as 21/40, 22/40, and 23/40, which may be written as 21/40, 11/20 and 23/40.

Hope it helps you!

Step-by-step explanation:

hiiiii

7 0
3 years ago
According to a recent​ publication, the mean price of new mobile homes is ​$63 comma 800. Assume a standard deviation of ​$7900.
wolverine [178]

Answer:

a. For n=25, the mean and standard deviation of the prices of the mobile homes all possible sample mean prices are ​$63,800 and ​$1,580​, respectively.

b. For n=50, the mean and standard deviation of the prices of the mobile homes all possible sample mean prices are ​$63,800 and ​$1,117​, respectively.

Step-by-step explanation:

In this case, for each sample size, we have a sampling distribution (a distribution for the population of sample means), with the following parameters:

\mu_s=\mu=63,800\\\\\sigma_s=\sigma/\sqrt{n}=7,900/\sqrt{n}

For n=25 we have:

\mu_s=\mu=63,800\\\\\sigma_s=\sigma/\sqrt{n}=7,900/\sqrt{25}=7,900/5=1,580

The spread of the sampling distribution is always smaller than the population spread of the individuals. The spread is smaller as the sample size increase.

This has the implication that is expected to have more precision in the estimation of the population mean when we use bigger samples than smaller ones.

If n=50, we have:

\mu_s=\mu=63,800\\\\\sigma_s=\sigma/\sqrt{n}=7,900/\sqrt{50}=7,900/7.07=1,117

4 0
4 years ago
What would you assume at the beginning of an indirect proof for the following?
iVinArrow [24]

I would assume that it is not a prime number as it seems to be divisible by 3.

7 0
3 years ago
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