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Mathematics

1 answer:

evablogger [386]2 years ago

8 0

Answer:

i hope it helps mapriend

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1 cm = ________ g <br>need help asap plsss

Elina [12.6K]

Answer:

<h2>1 cubic meter is equal to 1000000 grams</h2>

8 0

2 years ago

the area of asquare field is 2.25 hectares.find its perimeter in metres if hectare is qual to 10000square metres

Sergio [31]

Answer:

Perimeter of the square field is 600 meters.

Step-by-step explanation:

Given:

Area of a square field = 2.25 hectares

1 hectare = 10000 m²

∴2.25 hectares = $2.25\times10000 = 22500$ m²

Now, let each side length of the square field be $a$ meters.

∴ Area = $a^{2}$

⇒ $22500 = a^{2}$

⇒ $a=\sqrt{22500}=150$ m

Now, perimeter of a square is given as, $P = 4a$ .

Here, $a=150$ m.

∴ $P=4\times150=600$ m

Hence, the perimeter of the square field is 600 meters.

8 0

3 years ago

Eduardo says that an increase from 10 to 40 is 300% therefore a decrease from 40 to 10 must be a 300% decrease do you agree with

attashe74 [19]

Answer:

Eduardo's second statement is wrong.

Step-by-step explanation:

Eduardo says that an increase from 10 to 40 is 300% which is true. Because there is an increase by (40 - 10) = 30 and the percent of increase is calculated with respect to 10.

So, % of increase = $\frac{30 \times 100}{10} = 300$ %.

But when we consider a decrease from 40 to 10, then the decrease is by (40 - 10) = 30, but the percent of decrease will be calculated with respect to 40.

Therefore, the % decrease = $\frac{30 \times 100}{40} = 75$ %.