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3 years ago

6. HELP

Mathematics

1 answer:

brilliants [131]3 years ago

7 0

16/32 = P/100
Cross multiply
p(32) = 16(100)
32p = 1600
divide by 32 on both sides
p = 50 %

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Find the value of x.

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x = 15/23

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3 years ago

3 − 4( + 1) = 2 − 1

galben [10]

Answer:

Step-by-step explanation:

-4(+1)= -4

3-4= -1

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5 equations that with a difference of 2 ?

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1x2 2x1 67-65 44-42 4-2 all equal positive 2

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Can someone please help me

rewona [7]

$\quad \huge \quad \quad \boxed{ \tt \:Answer }$

$\qquad \tt \rightarrow \: f(0) = -3$

$\qquad \tt \rightarrow \: f(2) = 1$

$\qquad \tt \rightarrow \: f(4) = 1$

____________________________________

$\large \tt Solution \: :$

F(x) represents the value of y on curve for given value of x

$\textsf{\large First -}$

$\qquad \tt \rightarrow \: f(0) =( 0) {}^{2} - 3$

[ since 0 < 2 ]

$\qquad \tt \rightarrow \: f(0) = 0 {}^{} - 3$

$\qquad \tt \rightarrow \: f(0) = - 3$

$\textsf{\large Second}$

$\qquad \tt \rightarrow \: f(2) = (2) {}^{2} - 3$

[ since 2 = 2 ]

$\qquad \tt \rightarrow \: f(2) = 4{}^{} - 3$

$\qquad \tt \rightarrow \: f(2) = 1$

$\textsf{\large Third -}$

$\qquad \tt \rightarrow \: f(4) = - 4 + 5$

[ since 4 > 2 ]

$\qquad \tt \rightarrow \: f(4) = 1$

Answered by : ❝ AǫᴜᴀWɪᴢ ❞

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2 years ago

Suppose that a hypothesis test is conducted. 12 out of 100 subjects have the necessary qualities. The null hypothesis is that th

Veronika [31]

Answer:

Option A

The p-value is less than the significance level of 0.05 chosen and so we reject the null hypothesis H0 and can conclude that the proportion of the subjects who have the necessary qualities is less than 0.2.

Step-by-step explanation:

Normally, in hypothesis testing, the level of statistical significance is often expressed as the so-called p-value. We use p-values to make conclusions in significance testing. More specifically, we compare the p-value to a significance level "α" to make conclusions about our hypotheses.

If the p-value is lower than the significance level we chose, then we reject the null hypotheses H0 in favor of the alternative hypothesis Ha. However, if the p-value is greater than or equal to the significance level, then we fail to reject the null hypothesis H0

though this doesn't mean we accept H0 automatically.

Now, applying this to our question;

The p-value is 0.023 while the significance level is 0.05.

Thus,p-value is less than the significance level of 0.05 chosen and so we reject the null hypothesis H0 and can conclude that the proportion of the subjects who have the necessary qualities is less than 0.2.

The only option that is correct is option A.

5 0

3 years ago

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