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2 years ago

Can you guys plz help

Mathematics

1 answer:

nlexa [21]2 years ago

5 0

Answer:

Well I'm not sure if this is what your questions wants but, ok when a number divide itself it will always be one, therefore

2/2, 3/3, 4/4, 5/5, u can keep going

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100 points please help

choli [55]

Answer:

She has $3.74 in quarters. I'm kind of confused but hopefully this helps??

Step-by-step explanation:

0.75 x 5= $3.75

$3.75/0.25= 15 quarters

4 0

2 years ago

Read 2 more answers

There are 9,481 eligible voters in a precinct. 500 were selected at random and asked to indicate whether they planned to vote fo

maria [59]

Answer:

The confidence limits for the proportion that plan to vote for the Democratic incumbent are 0.725 and 0.775.

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 $1 - \frac{\alpha}{2}$ .

Of the 500 surveyed, 350 said they were going to vote for the Democratic incumbent.

This means that $n = 500, \pi = \frac{350}{500} = 0.75$

80% confidence level

So $\alpha = 0.2$ , z is the value of Z that has a pvalue of $1 - \frac{0.2}{2} = 0.9$ , so $Z = 1.28$ .

The lower limit of this interval is:

$\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.75 - 1.28\sqrt{\frac{0.75*0.25}{500}} = 0.725$

The upper limit of this interval is:

$\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.75 + 1.28\sqrt{\frac{0.75*0.25}{500}} = 0.775$

The confidence limits for the proportion that plan to vote for the Democratic incumbent are 0.725 and 0.775.

8 0

2 years ago

Which set or sets does -20 belong which means whole number integer or rational number

VladimirAG [237]

Answer:

A whole number

Step-by-step explanation:

because a whole number is a number with no fractions or decimals . it is basically just an integer

3 0

2 years ago

Read 2 more answers

The function f(t)=t^2+12t-18 represents a parabola.

Lyrx [107]

$y= t^{2} +12t -18 \\ y+18=t^{2} +12t \\ y+18+36=t^{2} +12t+36 \\ y+54=(t+6)^{2} \\ y=(t+6)^{2} -54$
$f(t) = (t+6)^{2} -54$

6 0

2 years ago

What is the answer<br> 5–4÷2?

tangare [24]

First, you divide 4 by 2 before you subtract them by 5 using BODMAS, or BIDMAS.

4 ÷ 2 = 2

5 - 2 = 3

3 is your answer

7 0

3 years ago

Read 2 more answers