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bagirrra123 [75]
3 years ago
12

the area of a trapezium is 594 sq. cm. The lengths of its parallel sides are in the ratio 4 : 5. The height of the trapezium is

12 cm. Find the lengths of the parallel sides.
Mathematics
1 answer:
Sophie [7]3 years ago
5 0

Answer:

1st side=44 cm, 2nd side= 55cm

Step-by-step explanation:

let a = '4x' , b = '5x'

h= 12cm

Area of trapezium=1/2*(a+b)h

area=594=1/2*9x*12

594*2/12=9x

594/6=9x

99=9x

99/9=11=x

therefore, 4x=4*11=44cm

             &5x=5*11=55cm

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A 12 foot board is split into 5 equal pieces. Which expression shows the length of each piece
Molodets [167]

Answer:

Find out the which expression shows the length of each piece .

To prove

As given

A 12 foot board is split into 5 equal pieces.

Than

Length\ of\ each\ piece = \frac{Total\ length\ of\ board}{Total\ number\ of\ pieces}

Here

Total length of board = 12 foot

Total number of pieces = 5

Length\ of\ each\ piece = \frac{12}{5}

Length\ of\ each\ piece = 2.4\ foot

Therefore the length of each pieces is 2.4 foot.

4 0
3 years ago
Evaluate the expression: -6 ( -3/12 ) ( -4 ) ( 5) divided by ( 10 ) <br><br> Please show your work
blagie [28]

Answer:

-3

Step-by-step explanation:

firstly, -3/12 is not in the simpliest form so we have to simplified it:

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= (-6*(-1/4)*-4*5) / 10

The upper part of the equation: (-6*(-1/4)*-4*5) can be simplified as:

((-6*-1*-4*5) / 4) / 10

= (-120/4)/10

= -30 / 10

= -3

Hope this help you :3

8 0
3 years ago
Divide: 2x^4 + 8x^3 - 25x^2 - 6x + 14 / x + 6
sveta [45]

Answer:

g(x)=x+6,

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8 0
3 years ago
the school theater made $2,142 on ticket sales for the three nights of their play. the department sold the same number of ticket
mihalych1998 [28]
The theater department sold 102 tickets each night,because 2142÷ 3 nights = 714. 714 ÷ 7=102
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6 0
3 years ago
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