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3 years ago

-2 (x-3) + 4 x - 6 need the answer soon

1 answer:

3 0

There's only one step to solve this problem (that's if you're looking for it) $0 - 2 (x - 3) + 4x - 6 \\ Answer: 2x$
Because, $-2 + (4x) = 2x$

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How do i solve this?<br> how many ways can you choose 3 dishes from a menu of 8?

JulijaS [17]

You just divide 3 and 8

7 0

2 years ago

If a survey of a movie shows that 50% of all people who like the movie, enjoyed the official movie soundtrack too. If a total of

Murljashka [212]

Answer:

For the first question the sample size is n= 3850

$ME= z_{\alpha/2}\sqrt{\frac{\hat p(1-\hat p)}{n}}$

$\hat p \pm ME$

And replacing we got:

$0.5- 0.016 = 0.484$

$0.5+ 0.016 = 0.516$

We are confident at 95% that the true proportion of all people who like the movie is between 0.484 and 0.516.

Step-by-step explanation:

We have the following info given:

$\hat p = 0.5$ represent the estimated proportion of all people who like the movie

$n = 3850$ represent the sample size selected

For the first question the sample size is n= 3850

For the second part they gives to us the margin of error:

$ME = 0.016$

We know that the confidence interval for a population proportion $p$ of interest is given by:

$\hat p \pm z_{\alpha/2}\sqrt{\frac{\hat p(1-\hat p)}{n}}$

And the margin of error is given by:

$ME= z_{\alpha/2}\sqrt{\frac{\hat p(1-\hat p)}{n}}$

So then the confidence interval can be found with this formula:

$\hat p \pm ME$

And replacing we got:

$0.5- 0.016 = 0.484$

$0.5+ 0.016 = 0.516$

We are confident at 95% that the true proportion of all people who like the movie is between 0.484 and 0.516.

5 0

2 years ago

Helppp btw the number are (0,5) (2,2) (3,1) (4,-1)

boyakko [2]

Your answer is (3,1) because if you graph the line that is the on off the line the other follow through

4 0

3 years ago

Find the area of the shape shown below.

Cerrena [4.2K]

Answer:8

Step-by-step explanation:area of the triangles is each 2 and the square is 4

8 0

3 years ago

Read 2 more answers

PLS HELP!! NO LINKS!! WILL MARK YOU BRAINLIEST!!

finlep [7]

Answer:

(d) -11

Step-by-step explanation:

The sum of the acute angles of a right triangle is 90°. (That makes the sum of all angles be 180°, as it is for any triangle.)

65° +(36 +x)° = 90°

x = 90 -101 . . . . . . . . divide by °, subtract 101

x = -11

5 0

1 year ago