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aniked [119]
2 years ago
5

Who tryna talk? Boy pls imma girl

Mathematics
1 answer:
mixer [17]2 years ago
5 0

Answer:

Hey am a boy

lol

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D/dx(1+x^4+x^6/x^2+x+1)<br> A)2x+1<br> B)2x-1<br> C)2<br> D)0
Anni [7]

\frac{d}{dx}\left(\frac{1+x^4+x^6}{x^2+x+1}\right)=\frac{4x^7+5x^6+8x^5+3x^4+4x^3-2x-1}{\left(x^2+x+1\right)^2}

copy and paste that into a URL

4 0
3 years ago
Which is the right answer ?
natta225 [31]

Answer:

that one

Step-by-step explanation:


6 0
3 years ago
Read 2 more answers
Why does -4i*i=4? what happens to the i when you multiply it
Alchen [17]

▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ { \huge \mathfrak{Answer}}▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪

As we know that :

  • {i}^{2}  = i \times i =  - 1

so, over here

  • - 4i \times i

  • - 4 {i}^{2}

plugging the value of i² as -1

  • - 4   (- 1)

  • 4
8 0
3 years ago
A bus took 1 hour and 30 minutes. How many minutes is that?
almond37 [142]

Answer:

90 minutes.

Step-by-step explanation:

Conversion ratio of hours to minutes:

1 hour = 60 minutes.

Add the two numbers together:

60 minutes + 30 minutes = 90 minutes.

90 minutes is your answer.

~

3 0
3 years ago
Read 2 more answers
a manufacturer of cookies and crackers does a small survery of the age at sale of one of its brands. A tandom sample of 225 reta
Effectus [21]

Answer:

t=\frac{56.7-60}{\frac{30}{\sqrt{225}}}=-1.65    

df=n-1=225-1=224  

The p value would be:

p_v =P(t_{(224)}  

Since the p value is lower than the significance level we have enough evidence to reject the null hypothesis and we cna conclude that the true mean is less than 60 at 10% of significance.

Step-by-step explanation:

Information given

\bar X=56.7 represent the sample mean of interest

s=20 represent the sample standard deviation

n=225 sample size  

\mu_o =60 represent the value to check

\alpha=0.1 represent the significance level for the hypothesis test.  

t would represent the statistic (variable of interest)  

p_v represent the p value for the test

System of hypothesis

we want to check if the true mean is lower than 60, so thn the system of hypothesis are:

Null hypothesis:\mu \geq 60  

Alternative hypothesis:\mu < 60  

The statistic is given by:

t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}}  (1)  

Replcing into the formula we got:

t=\frac{56.7-60}{\frac{30}{\sqrt{225}}}=-1.65    

P value

The degrees of freedom are given by:

df=n-1=225-1=224  

The p value would be:

p_v =P(t_{(224)}  

Since the p value is lower than the significance level we have enough evidence to reject the null hypothesis and we can conclude that the true mean is less than 60 at 10% of significance.

7 0
3 years ago
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