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Sindrei [870]
3 years ago
11

What is the sum of 4 and its additive inverse

Mathematics
1 answer:
Ad libitum [116K]3 years ago
4 0

Answer:

0

Step-by-step explanation:

additive inverse means any number to make the sum zero. in this case 4 +(-4)=0

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Recall the chapter example which described the fact that the mean IQ in large, diverse populations is 100 and the standard devia
vova2212 [387]

Answer:

The margin of error for the 99% confidence level for this sample is ±2.23.

None of the given figures is close to the answer:

E. None of the above

Step-by-step explanation:

margin of error (ME) around the mean can be calculated using the formula

ME=\frac{z*s}{\sqrt{N} } where

  • z is the corresponding statistic of the 99% confidence level (2.576)
  • s is the population IQ standard deviation (15)
  • N is the sample size (300)

Using these numbers we get:

ME=\frac{2.576*15}{\sqrt{300} }  ≈ 2.23

7 0
3 years ago
Which method(s) can be used to solve a system of equations? Select all that apply. distributing graphing substitution formulas a
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6 0
3 years ago
Please can someone explain to me the steps I have to do to get the answer?
kompoz [17]

Answer:

1/35

Step-by-step explanation:

1/5 divided by 7 is the same as 1/5 x 1/7

=> 1/5 x 1/7 = 1/35

Or using the picture it would be :-

1/5 divided by  7/1

5 0
3 years ago
Read 2 more answers
Which plane is parallel to plane LMQ?
GrogVix [38]

Answer:

KJP is the answer, if I'm correct

5 0
4 years ago
5. HELP ASAP!!! GIVING BRAINLIEST!!!<br> Find each missing measure.
Sladkaya [172]

Answer:

x = 6

<u><em>Sorry if this answer is not correct, if it is or is not, please tell me in the comments!</em></u>

Step-by-step explanation:

All of the angles add up to 180 degrees (since it is a triangle), so

(11x - 3) + (7x + 5) + (13x - 8) = 180

Then, combine the like terms.

31x - 6 = 180

Now, out goal is to separate the x from everything. To do that, we need to add 6 to 180.

31x = 186

Then divide by 31.

x = 6

(Feel free to replace x with 6 back in the previous equation to double check it!)

4 0
2 years ago
Read 2 more answers
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