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4 years ago

PLEASE HELPPPP 20 POINTS

Mathematics

1 answer:

sergij07 [2.7K]4 years ago

3 0

Answer:

I believe the answer is C

if you do 4 divided by 12 and you multiply it by 1000 you will get 333

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The radius of circular pond is 35 m.

Goshia [24]

Answer:

3848,451001

Step-by-step explanation:

A = πr²

A = π[35]²

A = 1225π

A = 3848,451001

I hope this is correct, and as always, I am joyous to assist anyone at any time.

3 0

3 years ago

Factor –8x3 – 2x2 – 12x – 3 by grouping. what is the resulting expression? (2x2 – 3)(4x 1) (–2x2 – 3)(–4x 1) (2x2 – 3)(–4x 1) (–

myrzilka [38]

The factors of the expression are $\rm (4x+1)(-2x^2-3)$

<h3>How to find factors in the expression?</h3>

First group the first two terms and the last two terms together respectively.

The factors of the expression are given by;

$\rm -8x^3 -2x^2 - 12x - 3\\\\-2x^2(4x+1)-3(4x+1)\\\\(4x+1)(-2x^2-3)$

Hence, the factors of the expression are $\rm (4x+1)(-2x^2-3)$ .

To know more about factors click the link given below.

brainly.com/question/9645056

5 0

2 years ago

Read 2 more answers

Select all the statements that are correct rational approximation of irrational numbers?

eimsori [14]

The answers would most likely be A,C,and B from my calculations

6 0

4 years ago

Hurry ASAP I need help on 3 and 4

attashe74 [19]

Answer:

3.B

4.A

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

g "They hired an analyst who collected a random sample of 40,361 Game of Thrones fans, and found that 8,337 of those fans said t

Viktor [21]

Answer:

The lower bound for a 90% confidence interval is 0.2033.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence level of $1-\alpha$ , we have the following confidence interval of proportions.

$\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}$

In which

z is the zscore that has a pvalue of $1 - \frac{\alpha}{2}$ .

For this problem, we have that:

$n = 40361, \pi = \frac{8337}{40361} = 0.2066$

90% confidence level

So $\alpha = 0.1$ , z is the value of Z that has a pvalue of $1 - \frac{0.1}{2} = 0.95$ , so $Z = 1.645$ .

The lower limit of this interval is:

$\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.2066 - 1.645\sqrt{\frac{0.2066*0.7934}{40361}} = 0.2033$

The lower bound for a 90% confidence interval is 0.2033.

6 0

3 years ago