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miss Akunina [59]
3 years ago
14

HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP

Mathematics
1 answer:
svp [43]3 years ago
7 0

Answer:

58.29cm²

Step-by-step explanation:

The formula for the area of a trapezium is \frac{1}{2}×(sum of parallel lines)×height

\frac{1}{2}×(7+10.4)×6.7 = \frac{1}{2}×17.4×6.7

                       = 58.29cm²

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Solve 7x-2/4=3x+1 show clear algebraic workings
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Answer:

x= 3/8 or 0.375

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

7x+−12=3x+1

Step 2: Subtract 3x from both sides.

7x+−12−3x=3x+1−3x

4x+−12=1

Step 3: Add 1/2 to both sides.

4x+−12+12=1+12

4x=32

Step 4: Divide both sides by 4.

4x4=324

x=38

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