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3 years ago

3.99 4.29 and 2.89 range

Mathematics

1 answer:

oee [108]3 years ago

7 0

Answer:

1.4

Step-by-step explanation:

Sample size: 3

Lowest value: 2.89

Highest value: 4.29

Range: 1.4

formula for calculating the range:

Range = maximum(x_i) - minimum(x_i)

where x_i represents the set of values.

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I need help with #18,20,22 and 24. Please show your work and I'm really thankful for your help as soon as possible!

Artist 52 [7]

I'll start 18 and 22 for you, and you should then be able to do the rest on your own!

For 18, what we literally do is apply the distance formula for all the points and add them up. For B to C, we get the distance between them to be
sqrt((x1-x2)^2+(y1-y2)^2)=sqrt((0-4)^2+(3-(-1))^2)=sqrt((-4)^2+4^2)=sqrt(16+16)=sqrt(32). Repeat the process for C to E, E and F, and F to B then add the results up to get your answer!

For 22, since the area of a rectangle is length*width (we know given the right angles and that the opposite sides are equal in how long they are), we can multiply 2 perpendicular lines, for example, BC and CE to get sqrt(32)*sqrt(8)=16 as the area

4 0

2 years ago

Solve for v 3(2v+5=33 simplify as much as possible

vredina [299]

3(2v+5)=33

Simplify both sides of the equation

3(2v+5)=33

Distribute

(3)(2v)+(3)(5)=33

6v+15=33

Subtract 15 from both sides

6v+15-15=33-15

6v=18

Divide both sides by 6

6v/6=18/6

V= 3

I hope that's help !

7 0

2 years ago

What's the volume of the following cylinder?

Elan Coil [88]

Answer:

Step-by-step explanation:

you have probably finished the quiz by now but anyway

so first flip the picture so that u see the cylinder standing on its base

12 is the diameter and 8 the height

12/2 = 6=radius

finally u do

πr $r^{2}$ h

3.14* $6^{2}$ *8

**i simplified π so the answer will be 904.32**

please vote if you found this helpful :)

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2 years ago

a student was given the equation x^2+6x-13=0 the next step in the students process was x^2+6x+c=13+c state the value of c that c

Ratling [72]

This is the process of completing the square.
Keep this equation in mind: $ax^2+bx+c$
Basically, to make this a perfect square trinomial, you take half of b and square that value. This will make it so you can compress the left side of the equation into $(x+b)^2 \ or \ (x-b)^2$ depending on the sign in the middle of the original equation.

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3 years ago

What is make a ten to add<br> 7+4=

sergiy2304 [10]

7+4=11 if that is your question not 100% sure what you are asking.

3 0

3 years ago

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