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Vlad [161]
3 years ago
11

Can you please show you work?

Mathematics
2 answers:
Natali5045456 [20]3 years ago
8 0

Answer:

8

Step-by-step explanation:

7x - 4 = 5x + 12

7x - 5x - 4 = 5x - 5x + 12

2x - 4 = 12

2x - 4 + 4 = 12 + 4

2x = 16

2x/2 = 16/2

x = 8

Leona [35]3 years ago
3 0

Answer:

8

Step-by-step explanation:

If you replace x with the given answers, the only one that would make both answers the same is 8

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525 feet.

Step-by-step explanation:

Difference in height

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= 375 + 150

= 525 feet.

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Step-by-step explanation:

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3 years ago
The volume of a box is 5x^3 + 20x^2 + 15x cm^3. If the height of the box is 5x cm, find the width and length of the box.
Annette [7]

Answer:

The product of the Width and Length is x^2 + 4x + 3 cm^2.

Step-by-step explanation:

The volume of a box = 5x^3 + 20x^2 + 15x cm^3.

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W*L*(5x) = 5x^3 + 20x^2 + 15x cm^3

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We know the area of the base of the box (W*L).  It is x^2 + 4x + 3 cm^2.

To find the actual width and length, we need to know one of the variables, L or W.  Without that, all we can say is that their product (W*L) is x^2 + 4x + 3 cm^2.

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2 years ago
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