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3 years ago

How many hundreds equals 50 tens?

Mathematics

2 answers:

Oksi-84 [34.3K]3 years ago

6 0

Answer:

5 hundreds equals 50 tens.

Step-by-step explanation:

50 tens = 50 times 10 = 50(10) = 500

We need to find how many hundreds equals 500.

We can use place and find number of hundreds or we can divide 500 by 100 to find the number of hundreds.

If you look at the place value of 100, there is 5 in the hundreds place.

Therefore, there are 5 hundreds in 50 tens.

The number of hundreds = $\frac{500}{100}$ = 5 hundreds.

Troyanec [42]3 years ago

5 0

5 hundreds is equal to 50 tens

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3 years ago

The perimeter of a triangular piece of land is 120m it’s area is 600m sq. If one of its sides is 30m,find the other two sides.

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Answer:

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Step-by-step explanation:

Let the sides be a , b and c

adding all together will give the perimeter

a + b + c = 120, now since one of the sides, let’s say a is 30

this means b + c = 120-a = 120-30 = 90

b + c = 90 •••••••••• (i)

We can use Heron’s formula to find the area of the triangle

Firstly, s = (a + b + c)/2 = 120/2 = 60

Using the formula;

A = √s(s-a)(s-b)(s-c)

We already have a as 30 and a as 60;

so we have;

600 = √60(60-30)(60-b)(60-c)

600 = √(60)(30)(60-b)(60-c)

Squaring both sides we have

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divide both sides by 1800

200 = (60-b)(60-c) ••••(ii)

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so b = 90-c , we substitute this into ii

200 = (60-(90-c))(60-c)

200 = (60-90+c)(60-c)

200 = (c-30)(60-c)

200 = 60c-c^2-1800+30c

200 = -c^2 -1800 + 90c

we can rearrange this as;

c^2 -90c + 2000 = 0

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(c-40)(c-50) = 0

Thus c = 40 or 50

Since sum of both b and c is 90

This means b also is also 40 or 50

from b = 90-40 or b = 90-50

So we can confidently say the other two sides are 40 m and 50 m

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