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cestrela7 [59]
3 years ago
9

A broken scale shows a false weight that is always less than the actual weight by the same number of ounces. When a box is put o

n the scale it shows 15 ounces. When a bag is put on the scale, it shows 12 ounces. When the box and the bag are put on the scale together, it shows 31 ounces What is the actual weight of the box?
Mathematics
1 answer:
Lesechka [4]3 years ago
5 0

Answer:

19 ounces

Step-by-step explanation

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Yes they are congruent because both of them are equilateral triangles
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2 years ago
the side length ofthe square porch behind macis house is (3x + 2) feet. The porch has a perimeter of (14x - 2) feet. What are th
andriy [413]

Answer:

The porch is 17 ft by 17 ft

Step-by-step explanation:

The perimeter of a square is

P = 4s where s is the side length

P = 4( 3x+2)

P = 12x+8

We know P = 14x-2

14x-2 = 12x+8

Subtract 12x from each side

14x-2 -12x = 12x+8-12x

2x -2 = 8

Add 2 to each side

2x-2 +2 = 8+2

2x= 10

Divide by 2

2x/2 = 10/2

x = 5

The side  is 3x+2

                 3*5+2

                  15+2

                   17

The porch is 17 ft by 17 ft

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3 years ago
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I think the answer is C
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3 years ago
Ignacio shares 2.1 liters of water equally into 7 containers. How many milliliters are in each container?
Stella [2.4K]

Answer: 300 ml

Step-by-step explanation:

First and foremost, we should note that:

1000 milliliters = 1 liter

Therefore, 2.1 liters = 2.1 × 1000 = 2100 millimeters.

Therefore, since the liters of water is divided into 7 containers, the vlaue in each container will be:

= 2100 millimeters / 7

= 300 millimeters

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2 years ago
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Answer:

Step-by-step explanation:

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3 years ago
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