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Dimas [21]
1 year ago
10

The length of two parallel sides of a trapezium are 5cm and 7cm and the area is 120cm.sq find the distance between the parallel

sides
Mathematics
1 answer:
Alla [95]1 year ago
5 0

The height or the distance between the two parallel sides of the given trapezium is 20 cm.

A trapezium or trapezoid is a two-dimensional geometric shape that has 4 sides, with one pair of parallel sides.

The parallel sides of a trapezium are called bases while the distance between them is the altitude or height.

The formula for the area of a trapezoid is given by

A = (a + b)/2 x h

where a and b are the parallel bases and h is the height.

Using this formula, the height or the distance between the two parallel sides can be computed.

A = (a + b)/2 x h

120 cm^2 = (5 cm + 7 cm) / 2 x h

120 = (12 / 2) x h

120 = 6h

h = 120 / 6

h = 20 cm

For more examples on solving the area of a trapezium, visit brainly.com/question/16904048.

#SPJ4

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2x+8y = 6<br> 15x + 20y = 15
Likurg_2 [28]

Answer:

The solution is (0, 3/4)

Step-by-step explanation:

Please copy and share the instructions.  Here they are:  Solve the following system of linear equations.

Both of the equations can be reduced (simplified):

2x+8y = 6            =>  x + 4y = 3

15x + 20y = 15     => 3x + 4y = 3

Let's use the elimination by addition and subtraction method.  Multiply the first equation by -1, obtaining

                                 -x - 4y = -3

Add the second       3x + 4y = 3

equation to the

first.

We get:                       2x = 0.

Thus, x = 0.  Substituting 0 for x in the 1st original equation yields:

2(0) + 8y = 6.  Then y = 6/8, or y = 3/4.

The solution is (0, 3/4).

4 0
3 years ago
ㅜ T
melisa1 [442]

Answer:

You firstly multiply 25,5cm with 20cm equals to 510cm then you divide it with 150 equals 3,4cm

Step-by-step explanation:

(25.5cm × 20cm) ÷ 150cm

≈510cm ÷150cm

≈3,4

5 0
3 years ago
Please help me i dont get it
Vladimir [108]

Answer:

a) (x+2)(x+3)

b) (x+2)(x+3)=0, x=-2 and x=-3

Step-by-step explanation:

3 0
3 years ago
Help meh please <br><br> -2/3 ÷ (-15)
pogonyaev
The answer is 0.04444... or 2/45. Whichever is more useful to you.
3 0
3 years ago
Read 2 more answers
The graph below shows the amount of money that a student has in the bank at the end of each week.
storchak [24]

Answer:

The student will have 130 dollars in the bank at the end of week 11.

Step-by-step explanation:

Pattern:

The pattern given by this graphic is that:

For each passing week, the student will have $10 more in the bank than at the end of the previous week. So, following this pattern:

At the end of 6 weeks, he will have $80.

At the end of 7 weeks, he will have $90.

At the end of 8 weeks, he will have $100.

At the end of 9 weeks, he will have $110.

At the end of 10 weeks, he will have $120.

At the end of 11 weeks, he will have $130.

The student will have 130 dollars in the bank at the end of week 11.

7 0
2 years ago
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