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Karolina [17]
2 years ago
12

Which of the following phrases translates to 8 - m?

Mathematics
1 answer:
lubasha [3.4K]2 years ago
6 0

Answer: B) eight decreased by a number

Step-by-step explanation:

decreased = subtraction, therefore, eight decreased by a number is 8 - m.

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A rectangular vegetable patch has an area of 56 square meters and a
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Answer:

The dimensions of the vegetable patch is 8 m by 7 m.

Step-by-step explanation:

Area of a vegetable patch is 56 square meters and the perimeter is 30 m.

If l is length and b is breadth, then area and perimeter of a rectangle is given by :

A=l\times b

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Substituting the values in the above formulas as :

l\times b=56\ ....(1)

and

2(l+b)=30\\\\l+b=15\ .....(2)

We need to solve equation (1) and (2) to find the values of l and b such that :

Equation (2), l = 15 - b

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If b = 7 m, so, l = 8 m

If b = 8 m, l = 7 m

So, the dimensions of the vegetable patch is 8 m by 7 m.

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3 years ago
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===========================================

Reason H is "linear pair postulate" which says that if two angles form a linear pair then they are considered supplementary. This is simply what "supplementary" means. The two angles add to 180 degrees. A "linear pair" is where you have two angles that are adjacent and the angles combine to form a straight angle (180 degrees).

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Side note: It seems like some of this proof has been cut off. There should be more lines to this proof because the last line is always what you want to prove. In this case, the thing we want to prove is "angle DEC and angle BEC are right angles" so that should be the last statement. 

8 0
3 years ago
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