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3 years ago

What percent of 4c in each expression? *2a

Mathematics

1 answer:

Natalija [7]3 years ago

5 0

A percentage is a way to describe a part of a whole. The percentage of 4c that is equal to 0.04c is 1%.

<h3>What are Percentages?</h3>

A percentage is a way to describe a part of a whole. such as the fraction ¼ can be described as 0.25 which is equal to 25%.

To convert a fraction to a percentage, convert the fraction to decimal form and then multiply by 100 with the '%' symbol.

The percentage of 4c that is equal to 0.04c can be found as,

x% of 4c = 0.04

(x/100) × 4c = 0.04

$x = \dfrac{0.04c \times 100}{4c}$

x = 1%

Hence, the percentage of 4c that is equal to 0.04c is 1%.

Learn more about Percentages:

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um pai tem hoje 54 anos e seus quatro filhos tem juntos 39 anos. dentro de quantos anos a idade do pai será a soma da idade dos

Elan Coil [88]

a1 + r.N = b1 + R.N

54 + 1.N = 39 + 4.N

4.N - 1.N = 54 - 39

3.N = 15

N = 15 / 3

N = 5 anos

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3 years ago

1.<br>Prove that the roots of x^2 + (1 - k).x+k-3 = 0 are real for all real values of k

hammer [34]

Step-by-step explanation:

${x}^{2} + (1 - k)x + k - 3 = 0$

${x}^{2} + x - 3 = 0$

Use the discramnt formula.

${ {b}^{2} - 4ac }$

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3 years ago

PLEASE HELP THANK YOU !!!!!!!

Fantom [35]

Answer:

Pretty sure c is your correct answer :)

Step-by-step explanation:

I hope this helps :)

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3 years ago

A farmer outside of Clinton NC plants 20 plots of a new type of corn. The average yield for these plots is ī= 150 bushels per ac

bogdanovich [222]

Answer:

The 95% confidence interval is $(150\pm 8.8)$ .

Step-by-step explanation:

The information provided is:

$\bar x=150\\\sigma = 20\\n=20$

The critical value for 95% confidence level is:

$z_{\alpha/2}=z_{0.05/2}=z_{0.025}=1.96$

Compute the margin of error as follows:

$MOE=z_{\alpha/2}\cdot\frac{\sigma}{\sqrt{n}}$

$=1.96\times\frac{20}{\sqrt{20}}\\\\=1.96\times 4.47214\\\\=8.7653944\\\\\approx 8.8$

Then the 95% confidence interval is:

$CI=\bar x\pm MOE$

$=150\pm 8.8$

Thus, the 95% confidence interval is $(150\pm 8.8)$ .

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3 years ago

A card is drawn randomly from a deck of 52 cards.

Stels [109]

The probability of drawing a red face card from a deck of cards is 3/26

Explanation:

In a deck of cards, there are 6 red-faced cards.

Probability = No. of favourable events / Total no. of events

So, the probability of drawing a red-faced card is 6 out of 52 cards.

Thus, the probability of drawing a red face card from a deck of cards is 6/52 = 3/26.

8 0

3 years ago

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