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Nonamiya [84]
3 years ago
7

Help plz−86 + (−14) − 23 − (+22) + 16 − (−34)=​

Mathematics
2 answers:
nikdorinn [45]3 years ago
8 0

Step-by-step explanation:

the answer is -86 mark as brainliest or rate this if u found this helpful :)

anzhelika [568]3 years ago
6 0

Answer:

-105

Step-by-step explanation:

-86-14= -100

-100-55= -155

16+34= 50

-155+50= -105

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24.94 is 29% of what number? plz help
Vlada [557]

Answer:

7.2326

Step-by-step explanation:

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3 years ago
Is this a function? yes or no <br><br><br> picture included ^^^^
aliya0001 [1]

Answer:

Yes this is a function because when doing the straight line test it doesn't touch it two or more times.

8 0
2 years ago
During an experiment, some water was removed from each of the 6 water tanks. If the standard deviation of the volumes of water i
Julli [10]

Answer:

First statement is correct.

Step-by-step explanation:

If we add or subtract a constant to each term in a set:  Mean will increase or decrease by the same constant.  Standard Deviation will not change.

If we increase or decrease each term in a set by the same percent (multiply all terms by the constant):  Mean will increase or decrease by the same percent.  Standard Deviation will increase or decrease by the same percent.

For example:

Standard Deviation of a set: {1,1,4} will be the same as that of {5,5,8} as second set is obtained by adding 4 to each term of the first set.

That's because Standard Deviation shows how much variation there is from the mean. And when adding or subtracting a constant to each term we are shifting the mean of the set by this constant (mean will increase or decrease by the same constant) but the variation from the mean remains the same as all terms are also shifted by the same constant.

So according to this rule, statement (1) is sufficient to get new Standard Deviation, it'll be 30% less than the old.. As for statement (2) it's clearly insufficient as knowing mean gives us no help in getting new Standard Deviation.

6 0
3 years ago
Find the distance between the two points in simplest radical form.<br> (-5,8) and (-3, 1)
elixir [45]

Given:

The two points are (-5,8) and (-3,1).

To find:

The distance between the given two points in simplest radical form.

Solution:

Distance formula: The distance between two points is

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Using distance formula, the distance between (-5,8) and (-3,1) is

d=\sqrt{(-3-(-5))^2+(1-8)^2}

d=\sqrt{(-3+5)^2+(-7)^2}

d=\sqrt{(2)^2+(-7)^2}

d=\sqrt{4+49}

d=\sqrt{53}

Therefore, the distance between two points (-5,8) and (-3,1) is \sqrt{53} units.

3 0
3 years ago
Fill in the missing numbers on the number line. It starts at 2/5 and end at 5.
erastovalidia [21]
2 1/2, 3, 3 1/2, 4, 4 1/2, 5

I hope this helped!!:)
5 0
3 years ago
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