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Marta_Voda [28]
3 years ago
13

The temperature of a freezer started at 18ºC. After cooling for a few hours, the freezer had a temperature of –12ºC. What is the

difference between the new, colder temperature and the original temperature?
Mathematics
2 answers:
solong [7]3 years ago
7 0

Answer:  -12-18

Step-by-step explanation:

kherson [118]3 years ago
3 0

Answer:

30

Step-by-step explanation:

-12 + 30 = 18

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Which expression represents the volume, in cubic units, of the composite figure? One-third(8)(6)(6) (8)(6)(4) One-third(8)(6)(10
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The expression of Volume in cubic meter  \frac{1}{3} (8)(6)(6)+(8)(6)(4)

The correct option is (1)

<h3>What is Volume?</h3>

Volume can also be defined as the amount of space occupied by a 3-dimensional object. The volume of a solid like a cube or a cuboid is measured by counting the number of unit cubes it contains.

Volume will be,

V= Volume of rectangular pyramid + Volume of cuboid

 

Volume of rectangular pyramid= \frac{1}{3} * base area* height

                                                   = \frac{1}{3} * 6*8*(10-4)

                                                   =\frac{1}{3} * 6*8*6

Volume of cuboid= l*b*h

                              = 4*6*8

So, Volume   =\frac{1}{3} * 6*8*6 + 4*6*8

                     = \frac{1}{3} (8)(6)(6)+(8)(6)(4)

So, The expression of Volume in cubic meter  \frac{1}{3} (8)(6)(6)+(8)(6)(4).

Learn more about Volume here:

brainly.com/question/15626455

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2. A dance floor is a square with an area of 1,444 FT(2). What are the dimensions of the dance floor?
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Answer:

The answer is C use a calculator

Step-by-step explanation:

not that hard lol

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