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Andrews [41]
3 years ago
7

5.1) A piece of fish, initially of mass 2.4 kg, is cooked and subsequently has mass 2.1 kg.

Mathematics
1 answer:
Oduvanchick [21]3 years ago
5 0

Answer:

12.5 % decrease

Step-by-step explanation:

To find the percent loss

Take the original amount and subtract the new amount

2.4 -2.1 = .3

Divide by the original amount

.3/2.4 = .125

Multiply by 100 to change to a percent

12.5 %

This is the percent decrease

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Is the product of fifteen negative integers positive or negative?
enot [183]

Answer:

the sign of the product of 15 negative numbers will be negative

Step-by-step explanation:

Heya mate!!

The product of odd numbers is odd and the product of even numbers is even.

so 15 is an odd number then the sign of product is odd

Hope this helps!!!

3 0
3 years ago
Researchers compare the body composition of cattle feeding on a grain diet with that of cattle feeding on a grass diet. This met
azamat

Answer: D

Step-by-step explanation: Just took the test

4 0
3 years ago
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Mrs. Ishimitsu is installing a rubber bumper around the edge of her coffee table. The dimensions of the rectangular table are (2
ollegr [7]

Answer:

2x^2+8x-30 represents the total perimeter of the table, and if x = 3 the lentgh of entire rubber bumper is 12 feet.

Step-by-step explanation:

Perimeter is defined as the sum of sides.

For a rectangle having dimension length 'L' and breadth 'B' Since, rectangle has two sides equal.

Perimeter of rectangle = 2 ( length + breadth )

Here, given rectangle has dimension

Length = 2x^2-16 and breadth = -x^2+4x+1

Thus, perimeter of rectangle = 2(2x^2-16+(-x^2+4x+1))

                                              =2(2x^2-16-x^2+4x+1)

                                               =2(x^2+4x-15)

                                                =2x^2+8x-30

Thus, perimeter of rectangle is 2x^2+8x-30   ........(1)

Perimeter of rectangle , when x = 3,

Put x= 3 in (1) ,

2x^2+8x-30\Rightarrow 2(3)^2+8(3)-30 \Rightarrow 18+24-30=12

Thus, 2x^2+8x-30 represents the total perimeter of the table, and if x = 3 the lentgh of entire rubber bumper is 12 feet.




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3 years ago
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Simplify the square root of 61.
AURORKA [14]
Decimal form is 7.81
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3 years ago
8. The square of a number decreased by 3 times the number is 28. Find all
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The answer is 7 i think
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3 years ago
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