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sattari [20]
3 years ago
9

The length and breadth of a rectangular playground are 110m and 90m. Find the ratio of:

Mathematics
1 answer:
boyakko [2]3 years ago
3 0

The length and breadth of a rectangular playground are 110m and 90m.

(a) Ratio of length to perimeter = 11 : 40

(b) Ratio of breath to perimeter = 9 : 40

<u>Solution: </u>

Given that length of play ground = 110 m

And breadth of playground = 90 m

Need to determine ration of (a) length to perimeter and (b) perimeter to breadth

Lets first calculate perimeter of rectangular playground

<em>Perimeter of Rectangle = 2(length + breadth )  </em>

=> Perimeter of Rectangular playground = 2(110 + 90) = 400 square meter

Now substituting values in ratio we get,

(a) Ratio of length to perimeter = 110 : 400 = 11 : 40

(b) Ratio of breath to perimeter = 90 : 400 = 9 : 40

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iogann1982 [59]

Hello!

Explanation:

Distributive property: → a(b+c)=ab+ac

Expand the form equation.

5(x-4)=5x-20

5x-20+3x-9x+7

Then, simplify by equation or expand.

5x-20+3x-9x+7=-x-13

Final answer is: → \boxed{=-x-13}

<u><em>*The answer must have a negative sign.*</em></u>

Hope this helps!

Thank you :)

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Have a great day! :)

3 0
4 years ago
The sum of two numbers is 100 and their difference is -20. What are the two numbers?
salantis [7]

Answer:

x=40 and y= 60

Step-by-step explanation:

<u>step:1</u>

Let 'x' and 'y' are two numbers

given data the sum of two numbers is 100

x+y = 100......(1)

Given difference of two numbers are

x - y = -20 ......(2)

<u>Step :2</u>

solving the equation (1) and (2)

adding the equations (1) and (2)

x+y+x-y=100-20

cancelling 'y' terms are

2 x = 80

dividing "2" on both sides, we get

x = 40

<u>Step :3</u>

substitute x = 40 in equation (1)

x + y =100

40 + y = 100

subtracting "40" on both sides, we get

40 + y - 40 = 100 -40

y = 60

Final answer:-

The two numbers are x = 40 and y= 60

3 0
4 years ago
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Answer:

<em><u>5/18</u></em> is not equivalent to 1/3.

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Answer:

As there are 2 equations and two unknowns there is 1 solution

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