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LUCKY_DIMON [66]
3 years ago
11

Apparently the answer is -2. How do they get that?

Mathematics
1 answer:
jasenka [17]3 years ago
8 0
H(x) is just a transformation of f(x).

The transformation is the '2x-3' inside of function 'f'.

Let x = 4, Then 2x-3 = 2(4) - 3 = 5.

This means that h(4) = f(5)

Use the given table to find f(5).

f(5) = -2
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Use the graph below to choose the true statements select all that apply …
Anna71 [15]

Answer: a and c

Step-by-step explanation:

6 0
1 year ago
Express the confidence interval
marissa [1.9K]

Answer:

\hat p = \frac{0.244+0.326}{2}=0.285

ME = \frac{0.326-0.244}{2}=0.041

0.285 \pm 0.041

Step-by-step explanation:

For this case we have a confidence interval given as a percent:

24.4\% \leq p \leq 32.6\%

If we express this in terms of fraction we have this:

0.244 \leq p \leq 0.326

We know that the confidence interval for the true proportion is given by:

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

And thats equivalent to:

\hat p \pm ME

We can estimate the estimated proportion like this:

\hat p = \frac{0.244+0.326}{2}=0.285

And the margin of error can be estimaed using the fact that the confidence interval is symmetrical

ME = \frac{0.326-0.244}{2}=0.041

And then the confidence interval in the form desired is:

0.285 \pm 0.041

7 0
3 years ago
Find the slope of the line that is perpendicular to the joining line P (2,-3) and Q (-3,-2)
azamat

m =(y2-y1)/(x2-x1)

m =(-2 + 3 )/(-3 -2)

m = 1/-5

m = -1/5

slope of the line that is perpendicular  = 5


8 0
3 years ago
Find three fractions whose product is -5/24.
mariarad [96]

Answer:

Below.

Step-by-step explanation:

-5/8 * 1/3 = -5/24

-5/12 * 1/2 = -5/24

-5/6  * 1/4 = -5/24.

4 0
2 years ago
How do I solve 4[2.5 + 3 (20 + 7)] ?
DerKrebs [107]
4[2.5+3(20+7)]=4[2.5+3 \cdot 27]=4[2.5+81]=4 \cdot 83.5=334
3 0
3 years ago
Read 2 more answers
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