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dsp73
3 years ago
13

Raul found the mean and standard deviation of a set of numbers. If he multiplies each number by 5, what will happen to the mean

and standard deviation?
Mathematics
1 answer:
Alik [6]3 years ago
3 0
The mean would increase
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Are the given lines perpendicular? X=1, y=0
aliya0001 [1]

Answer:

Yes

Step-by-step explanation:

4 0
3 years ago
90 POINTS AND A BRAINLIEST!!!!!!
never [62]

Answer:

The surface area is 148

Step-by-step explanation:

Soooo i had to look up how to do it cause i completely forgot how. But once i did, i worked it out.

The formula i got was: A= 2(wl+hl+hw)

W= width                 h= height           l= length

From there i just replaced the corresponding numbers for the letters that represent them. (think of that as like you see someone that you think represents you and you try to replace them, with you. Same here just w/ numbers and letters)

A= 2 [ (4x5) + (6x5) + (6x4) ]

from here you do order of operations starting with what's inside the parentheses. Then you work your way out.

A= 2 [20+ 30+ 24]

A= 2 [74]

Anytime a number is next to parentheses or brackets (which are these: [ ] ) you multiply what is outside them by what's inside them. (for this think about kids. When you seperate them, they try to make more noise. When you seperate numbers, they multiply)

Final answer is

A= 148

if this is wrong i am so, so, so sorry. I hope this helps, and i hope you have an amazing day!! Be tiger fierce! :)

6 0
3 years ago
Read 2 more answers
751,486 write the valid of the digit 5
Rudiy27
The answser is ten thosand
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3 years ago
The total surface area of a hemisphere is 300cm2. What is the surface area of the sphere having equal radius to the hemisphere.
raketka [301]

Answer:

400cm²

Step-by-step explanation:

the surface area of the sphere =

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=> 4/3 x 300 = 400cm²

7 0
2 years ago
Need help understanding this problem please
faust18 [17]

f(g(x)) is a composite function:

f(g(x))=f(\sqrt{x+5})=2\sqrt{x+5}-1

Plug in <em>x</em> = 4:

f(g(4)) = 2\sqrt{4+5}-1=2\sqrt9-1=2\cdot3-1=\boxed{5}

so the answer is C.

7 0
3 years ago
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