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daser333 [38]
3 years ago
13

I need help please!!

Mathematics
1 answer:
Arturiano [62]3 years ago
3 0
The answer would be 2.5 because you would do length times width times height so 5.2 times 9.3 is 48.36 but to get to 120.9 you would multiply it by 2.5 so the answer is 2.5 inches.

-hope this helped!
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The side of a square is 5 cm more than the side of another square. If the sum of their areas is 625 cm², then the side of the bi
jekas [21]

Answer:

20 cm is the side of the bigger square.

Step-by-step explanation:

Let one square's side be x,

Then another squares side will be ( x + 5 )

  • <em>Formula for square's area: side²</em>

Total area:

  • x² + ( x + 5 )² = 625
  • x² + x² + 10x + 25 = 625
  • 2x² + 10 x + 25 - 625 = 0
  • 2x² + 10x - 600 = 0
  • 2(x² + 5x - 300) = 0
  • x² + 5x - 300 = 0
  • x² + 20x - 15x - 300 = 0
  • x(x + 20) -15(x + 20) =0
  • x = -20, 15
  • x = 15

So one square's side is 15 cm

Then the bigger square has:

  • x + 5
  • 15 + 5
  • 20 cm
6 0
3 years ago
Read 2 more answers
Which function below has the largest slope?
vova2212 [387]

f(x) as a linear equation:

gradient = (12-4)/(4-2) = 4

y - 4 = 4(x - 2)

y = 4x - 4

Therefore f(x) = 4x - 4

g(x) = 10x - 4

Since it already started at 10 and it increases by one every level (x):

h(x) = x + 10

Therefore, since g(x) has the largest gradient (10x), it has the largest slope

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What is the solution to the system of equations below ?
adell [148]
Your answer is C because 3 x 3 is 9 and 9 + 1 is 10 and 10 + 8 is 18
3 0
3 years ago
Computer: $700, 30% markup (show work)
GaryK [48]
700 x .3 = 210
700 + 210 = 910
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PLEASE HELP ME!!!!!!!!!!!!!!!!!!!!!!!!!!
Lelu [443]

-5(x - 6) = 10x     Given

(-5)(x) + (-5)(-6) = 10x

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-5x + 5x + 30 = 10x + 5x

30 = 15x     Addition property of equality

30 : 15 = 15x : 15

2 = x     Division property of equality

8 0
3 years ago
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