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3 years ago

Help please ASAP please

Mathematics

2 answers:

Pavel [41]3 years ago

6 0

What is the question?

saveliy_v [14]3 years ago

4 0

14/24 + 8/24 = 22/24

12/24 + 6/24 = 18/24

22/24 - 18/24 = 4/24 or 1/6

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Ben bowled 121 and 184 in his first two games. What must he bowl in his third game to have an average of at least 170?

vagabundo [1.1K]

Answer:

205

Step-by-step explanation:

Were gonna start by writing an equation (121+184+x)/3=170 because were adding a 3rd value to the average and x is going to be our value that were looking for. If you solve that, you get 205. Hope this helps.

6 0

3 years ago

I need help to the attachment down below, first answer gets 5 stars and a thanks!

Gekata [30.6K]

Answer:

base = 15 units

Step-by-step explanation:

We are given area of a triangle = 52.5 sq. units

Height is given as 7 and we have to find the base.

Using formula for area of triangle:

Area of triangle = $\frac{base*height}{2}$

$52.5 = \frac{base*height}{2}$

$52.5 = \frac{base*7}{2}$

52.5 * 2 = base × 7

105 = base × 7

base = 15

3 0

3 years ago

Read 2 more answers

What is 1,002 in expanded form

TiliK225 [7]

It would be one thousand and two

can I have brainliest

6 0

3 years ago

Read 2 more answers

What is a predicate of a sentence ? like:

sesenic [268]

$\color{voilet}\huge{AN}$ $\color{yellow}\huge{S}$ $\color{blue}\huge{W}$ $\color{orange}\huge{ER}$

The predicate is (turn yellow in the fall).

⠀

Because the subject in the sentence is the leaves

8 0

3 years ago

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

3 years ago

Help please ASAP please​

Help please ASAP please