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raketka [301]
3 years ago
9

Fhusaghjbbklhfffvvgddxxv

Mathematics
1 answer:
Rashid [163]3 years ago
3 0

Answer:

ffgyucfyyf

Step-by-step explanation:

f6uccytziurz7rz6rz6rssr6d7r

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What percentage of 30 is 6?<br> Please provide an explanation
BigorU [14]

Answer:

5% is the percentage of 30 of 6

Step-by-step explanation:

6×5=30

3 0
3 years ago
Read 2 more answers
Jane has a pre-paid cell phone with NextFell. She can't remember the exact costs, but her plan has a monthly fee and a charge fo
kolbaska11 [484]

Answer:

  • C = 0.30x +22
  • $165.10

Step-by-step explanation:

A) Let x represent minutes used, and C represent monthly charge. We are given two (x, C) pairs: (370, 133.00) and (530, 181.00)

We can use these in the 2-point form of the equation for a line.

  y = (y2 -y1)/(x2 -x1)(x -x1) +y1

  C = (181 -133)/(530 -370)(x -370) +133

  C = 48/160(x -370) +133

  C = 0.30x -111 +133

  C = 0.30x +22

__

B) For x = 477 minutes, the charge will be ...

  C = 0.30(477) +22 = $165.10 . . . . for 477 minutes

7 0
3 years ago
Volume and surface area are often compared by manufacturers in order to maximize how much of something can go inside of a packag
notka56 [123]
We have no dimensions to work with. I'll pick some and try and comply with the conditions of the problem. 

Suppose you have an object that is 14 by 22 by 27 cm. These three numbers have no common factor so they cannot be reduced any further, which is helpful for this problem.

Find the Volume
Volume

l = 27 cm
w = 14 cm
h = 22 cm

V = 27 *14 * 22
V = 8316 cm^3

Find the surface area
SA = 2*l*w + 2*l*h  + 2*w*h
SA = 2*27*14  +  2*27*22   +  2*14*22
SA = 756 + 1188 + 616
SA = 2558

Just looking at these numbers The surface area is about 1/3 of the volume. I don't think this is always true.


 \frac{SA}{V} =  \frac{2*L*W  + 2*L*H + 2*W*H}{L*W*H} 

Another way to do this is to consider a cube which might give you a more useful result. 

s = L = W = H all three dimensions are equal in a cube.
The volume of a cube is s*s*s = s^3
The surface area of a cube is 2*s*s + 2*s*s + 2s*s = 6s^2

\frac{SA_cube}{V_cube} =  \frac{6s*s}{s*s*s}
\frac{SA}{V} =  \frac{6}{s}

That means whatever the side length, the Surface Area to volume = 6/the side length which is kind of an interesting result.


4 0
3 years ago
Please help I don't really understand
Yakvenalex [24]
I hope this helps you



3.5/3. (x+3)


5/x+3


3 0
4 years ago
Read 2 more answers
How can i solve this problem <br> 6x+5y=13<br> 5x+4y=10
natka813 [3]
System of equations

11x+9y=23
Solve the rest I gave you the baseline hope it helps!
4 0
3 years ago
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