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Sidana [21]
3 years ago
7

Find the geometric mean of 4 and 20

Mathematics
2 answers:
lozanna [386]3 years ago
6 0

Answer:

5

Step-by-step explanation:

zysi [14]3 years ago
4 0

Answer:

5 is the geometric mean of 4 and 20

Step-by-step explanation:

I think... Don't know how to show work!!!!

Hope I helped!

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Angle∠efg and angle∠gfh are a linear​ pair, mangle∠efgequals=55nplus+2020​, and mangle∠gfhequals=33nplus+1616. what are mangle∠e
mylen [45]
A linear pair is a pair of angles that form a line. When added, they will equal 180.

< EFG + < GFH = 180
5n + 20 + 3n + 16 = 180
8n + 36 = 180
8n = 180 - 36
8n = 144
n = 144/8
n = 18

< EFG = 5n + 20.....5(18) + 20 = 110 <==
< GFH = 3n + 16.....3(18) + 16 = 70 <==
3 0
3 years ago
Read 2 more answers
Please help quickly.Thanks :)
Klio2033 [76]
Multiply 2x-5y= -21 by 3 to make it 6x-15y= -63
Multiply 3x-3y= -18 by -5 to make it -15x+15y=90

This cancels the y’s out which leaves us with

6x=-63
&
-15x=90

x for 6x=-63 equals - 10.5 so x is - 10.5 and for -15x=90, x= -6

Then you plug in x into any equation you’d like to find y.

Let’s plug in - 10.5 into 6x... equation.

6(- 10.5)-15y=-63

63-15y= -63
-63 -63

-15y=0
y=0 and x= - 10.5. When you plug in this values it makes the equation true!

But the correct answer is the first one north. Sorry if I’m doing too much hahah


If I’m confusing here’s the right answer...


6x-15y= -63
-15x+15y=90


5 0
3 years ago
What is the volume of the composite figure show in the picture? Please explain how you found the answer if you can. Please help
Crazy boy [7]
We did this this year and by what I can remember I belive it is 4,320 inches. I hope this helps and I hope I got it right so u don't get it wrong.
5 0
3 years ago
Simplify 5 to the negative 4th power over 5 to the 3rd. 57 5−1 1 over 5 1 over 5 to the 7th power
aivan3 [116]
5^-4 / 5^3
= 5^-1
= 1/5

answer
<span>5^−1
</span><span>1 over 5</span>
6 0
3 years ago
Read 2 more answers
Simplify (2b+9)+(13+5b)
Andrei [34K]
The answer is because i combined the liked terms 7b+22
3 0
3 years ago
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