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pogonyaev
3 years ago
10

A 3 m spring requires 12 J to stretch to 3.1 m. How much work is required to stretch the spring to 3.2m?

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
7 0
I DONT KNOW BROOjssj
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The vertex of this parabola is at (-3,-2). Which of the following could be its
Maslowich

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B.y=-2(x+3)2-2

Step-by-step explanation:

A if false beacuse you have to put (-3,-2) into all of your equations

B is correct

C is false

D is also false

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What is the standard deviation of the following data set rounded to the nearest tenth?
tamaranim1 [39]
Formula\ for\ standard\ deviation\ :\\\\
x=\sqrt{y^2}\\
y-variance\\\\
y^2=\frac{(a_1-a)^2+(a_2-a)^2...+(a_n-a)^2}{n}\\
n-amount\ of\ numbers\\
a-mean\\\
a=\frac{11+5+12+8+5+12+10}{7} =\frac{63}{7}=9\\\\
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\\y^2=\frac{(2)^2+(-4)^2+(3)^2+(-1)^2+(-4)^2+(3)^2+1^2}{7}=\\ \frac{4+16+9+1+16+9+1}{7}=\frac{56}{7}=8\\\\
x=\sqrt8=2\sqrt2

8 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=3a-5%3D-23" id="TexFormula1" title="3a-5=-23" alt="3a-5=-23" align="absmiddle" class="latex-fo
Alisiya [41]

\boxed{ \mathfrak{here \:  \: is \:  \: the \:  \: solution \:  \: for \:  \:  teeny : }}

  • 3a - 5 =  - 23

  • 3a =  - 18

  • a =  - 6

Thanks for brainliest Anny !!

8 0
2 years ago
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The engineers designing the All Aboard Railroad between Boca Raton and Jupiter decide to create parallel tracks through this por
Mumz [18]

Answer:

2x+5y=-15

Step-by-step explanation:

2x+5y=d

2(4)+5(-2)=d

8-10=d

-2=d

6 0
3 years ago
How many terms are in the algebraic expression? 2x + 5 + 2y - 3
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Answer:

There are four terms.

Step-by-step explanation:

The terms are basically just 2x, 5, 2y, -3

I hope this helps you :D

c h e e s e c h e e s e s m i l e f o r t h e c a m e r a c h e e s e c h e e s e s t o p s m i l i n g c h e e s e c h e e s e s m a s h t h e c a m e r a c h e e s e c h e e s e k i l l t h e p h o t o g r a p h e r c h e e s e c h e e s e s m i l e a t t h e d e a d b o d y c h e e s e c h e e s e t h i s i s t h e c h e e s e s o n g c h e e s e c h e e s e .

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