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4 years ago

Find 16% of 25 litres

Mathematics

1 answer:

Svetllana [295]4 years ago

3 0

Answer: 4

Step-by-step explanation:

(16/100) × 25

= 4

Therefore, 16% of 25 litres is 4 litres.

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The perimeter of the rectangular state is 42 miles . A ranger estimates that there are 9 deer in each square mile of the park .

Vlad [161]

Answer:

990 deers is ONE possible answer.

Step-by-step explanation:

Since we don't know anything else than the perimeter, we don't know the exact dimensions of the park.

For example, it could be 10 x 11 miles, perimeter is 42, but the area is 110 sq miles.

It could also be 9 x 12 miles, perimeter is again 42, but the area is now 110 sq miles.

It could be a 1 x 20 miles park, perimeter is again 42, but the area is just 20 sq miles.

And it could be many other dimensions scenarios. That affect of course the calculation result.

For this answer, I'll assume the park is 10x11 miles, for an area of 110 sq miles.

Since the estimation is that there's 9 deeps for square mile... that means that for a park measuring 10x11 miles, there would be 990 deers (9 * 110).

4 0

4 years ago

You bought 3 Pieces of chicken that cost x

natima [27]

I think the answer is 15

3 0

3 years ago

A multiple choice test has four possible answers for each question. Let X be the number of correct responses in a test of 100 qu

dimulka [17.4K]

Answer:

a. 4.33.

Step-by-step explanation:

If there is only one correct answer out of four alternatives, the expected proportion of correct answers is p =0.25

Sample size (n) = 100 questions

The standard deviation of a proportion 'p' is given by:

$s=\sqrt{\frac{p*(1-p)}{n} }$

Applying the given data:

$s=\sqrt{\frac{0.25*(1-0.25)}{100}}\\s=0.0433$

If X is the number of correct responses in 100 guesses, the standard deviation of X is:

$\sigma = n*s=100*0.0433\\\sigma = 4.33$

The standard deviation of X is 4.33 questions.

7 0

3 years ago

Problem PageQuestion

Margarita [4]

The investment will be worth $4686.62 after 5 years.

<u>Step-by-step explanation</u>:

Principal, P = 3700

Rate, r = 4.75% = 0.0475

Number of years, t = 5 years

Number of times compounded, n = 5 times

Amount = P(1 + r/n)^nt

⇒ 3700 (1 + 0.0475/5)^25

⇒ 3700 (5.0475/5)^25

⇒ 3700 (1.0095)^25

⇒ 4686.62

∴ Amount = $4686.62

7 0

4 years ago

What is the scale factor?

Sever21 [200]

Answer:

I think the scale factor is 2 because 12 divided by 6 is 2.

8 0

3 years ago