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zlopas [31]
2 years ago
13

What are some benefits of representing data sets using frequency distributions?

Mathematics
1 answer:
nekit [7.7K]2 years ago
3 0

Answer:

no answer

Step-by-step explanation:

no answer

to be checked in options

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The roots of a quadratic equation ax2+bx+c=0 are 1+i 5 and 1−i 5 . Find possible values of a, b and c.
Anarel [89]

Answer:

Step-by-step explanation:

If the roots are 1 + 5i and 1 - 5i, then you need the factors that result from those roots.  They are (x - 1 + 5i) and (x - 1 - 5i).  Now what you do with those is FOIL them out.  Doing that gives you the following:

x^2-x+5ix-x+1-5i-5ix+5i-25i^2 (what a mess, huh?)

The good thing is that several of those terms cancel each other out.  +5ix cancels out the -5ix; -5i cancels out the 5i; and the 2 -x terms combine to -2x.  That leaves you with:

x^2-2x-25i^2

Obviously you're in the section in math that deals with complex (imaginary) numbers so you should know that i-squared is equal to -1.  Making that replacement:

x^2-2x+25

a = 1, b = -2, c = 25

6 0
4 years ago
Read 2 more answers
- Plot two points to graph the second equation.
denis-greek [22]

Answer:

heyyyyyyy

Step-by-step explanation:

6 0
3 years ago
1. The prism-shaped roof has equilateral triangular bases. Create an equation that models the height of one of the roof's triang
lana66690 [7]

Answer:

h=\frac{\sqrt{3}}{2}b\ units    

Step-by-step explanation:

we know that

An equilateral triangle has three equal sides and three equal interior angles (the measure of each interior angle is equal to 60 degrees)

see the attached figure to better understand tyhe problem

Let

h ----> the height of an equilateral triangle

b ---> the length side of an equilateral triangle

In the right triangle ABD

Applying the Pythagorean Theorem

AB^2=AD^2+BD^2

substitute the given values

b^2=(\frac{b}{2})^2+h^2  

b^2=\frac{b^2}{4}+h^2

h^2=b^2-\frac{b^2}{4}

h^2=\frac{3}{4}b^2

square root both sides

h=\frac{\sqrt{3}}{2}b\ units      

7 0
3 years ago
A computer programmer had two files with a total size of 76.75 gigabytes. If one of the files was 35.45 gigabytes, how big is th
shtirl [24]

Answer:

41.30

Step-by-step explanation:

 76.75

- 35.45

______

41.30

6 0
3 years ago
Please don't put absurd answers, (I think it's 11am-2pm, but I just want to be certain)
goldenfox [79]

The answer is from 11am to 2pm

hope it helps!

4 0
3 years ago
Read 2 more answers
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