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Nata [24]
3 years ago
7

You and your friends compare how many

Mathematics
1 answer:
Helen [10]3 years ago
3 0

answer:

the mean for this is 27

step-by-step explanation:

all you have to do is add up all of the times

15, 18, 20, 22, 28, 37, 49

which would have given you

189

then you divide that number by how much times were written down

7 would be that number so

189/7 = 27

and this is what it is written in one equation

(15+18+20+22+28+37+49)/7

hope this helps you! :)

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AleksAgata [21]
Distribute the negative sign to the 4x and 11 making it 3x+5y-4-4x-11 and combine like terms 
5 0
3 years ago
2x + 7 + 5x = 7 ( x + 8) how many solutions?
DanielleElmas [232]

Answer:

no solution

Step-by-step explanation:

5 0
3 years ago
Help please :(<br> 20 points to help
Stells [14]

Answer:

67/24

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Read 2 more answers
Which of the following is equivalent to
enot [183]

Answer:

Option (2) is correct.

18-\sqrt{-25}=18-5i

Step-by-step explanation:

Given expression 18-\sqrt{-25}

We have to find an equivalence value to the expression.

<u> Radical rule</u>,

\sqrt{-a}=\sqrt{-1} \sqrt{a}

Also,i=\sqrt{-1}

Consider the given expression,

18-\sqrt{-25}

Applying radical rule to \sqrt{-25}

\sqrt{-25}=\sqrt{-1}\sqrt{25}=5i

Thus, the expression becomes,

18-\sqrt{-25}=18-5i

Thus, option (2) is correct.

6 0
3 years ago
Read 2 more answers
PLEASE HELP !!!!!!!!!!!!!
Akimi4 [234]

9514 1404 393

Answer:

  the multiplicity is 4

Step-by-step explanation:

The graph shows a root at x = -2 that has a multiplicity of 2. You know the multiplicity is even, because the graph does not cross the x-axis. The multiplicity is 2 because the general shape of the graph in that area matches that of a quadratic (parabola).

The multiplicity of the root at x=4 is also an even number, because the x-axis is not crossed. However, the graph is significantly flatter at that point (than at x=-2), meaning the multiplicity is greater than 2. It is at least 4.

When we draw a graph with a multiplicity of 6 at x=4, we find the ratio of the peaks near x=-4 and x=0 to be different from that shown here. The suggests that the multiplicity of the root at x=4 is exactly 4.

4 0
3 years ago
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