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SashulF [63]
3 years ago
5

PLZZ HELP

Mathematics
2 answers:
oksano4ka [1.4K]3 years ago
4 0

Answer:

5-2i

Step-by-step explanation:

Contact [7]3 years ago
4 0

10i+41

Your welcome. Just google it if you need help

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I just need help :))
rosijanka [135]
U will take the two diagrams
And name them A N B
U then solve the triangle by triangle
6 0
3 years ago
Read 2 more answers
What is the domain of the relation [(7,10), (7,17), (7,24),(7,31),(14,10)
Rus_ich [418]

Answer:

{7,14}

Step-by-step explanation:

Domain is always the X= Values

5 0
2 years ago
Read 2 more answers
What are the first four solutions to the sequence: f(1) = 4 and f(n) = 2*f(n-1)+3
Marrrta [24]
F(1) = 4 is given


f(2) = 2*f(2-1)+3
= 2*f(1)+3
= 2*4+3
= 8+3
= 11
f(3) = 2*f(3-1)+3
= 2*f(2)+3
= 2*11+3
= 22+3
= 25
f(4) = 2*f(4-1)+3
= 2*f(3)+3
= 2*25+3
= 50+3
= 53
f(5) = 2*f(5-1)+3
= 2*f(4)+3
= 2*53+3
= 106+3
= 109

f(1) = 4
f(2) = 11
f(3) = 25
f(4) = 53
f(5) = 109
8 0
3 years ago
What is the recursive formula for the geometric sequence ? 6,-24,96,-384,...
irinina [24]

Answer:

the \: recursive \: formula \: is \\ tn = 6( {4}^{n - 1} )

<em>Answer is </em><em>given below with explanations</em><em>. </em>

Step-by-step explanation:

the \: given \: geometric \: sequence \: is \\ 6,  \: - 24, \: 96, \:  - 384 \\ the \: first \: term \: is \: 6 \: and \: the \: common \: ratio \: is \:  - 4 \\ the \:  {n}^{th} term \: of \: the \: geometric \: sequence \: is \\ tn = a {r}^{n - 1}  \\ here \: first \: term \:( a) = 6 \\ common \: ratio \: (r) =  - 4 \\ on \: substituting \: the \: values \: in \: formula \\ tn = 6( { - 4}^{n - 1} ) \\ the \: above \: mentioned \: formula \: is \: \\ the \: recursive \: formula \: \\  for \: geometric \: sequence.

<em>HAVE A NICE DAY</em><em>!</em>

<em>THANKS FOR GIVING ME THE OPPORTUNITY</em><em> </em><em>TO ANSWER YOUR QUESTION</em><em>.</em>

5 0
3 years ago
The marketing director of a large department store wants to estimate the average number of customers who enter the store every f
Dahasolnce [82]

Answer:

36.5674\leq x'\leq61.4326

Step-by-step explanation:

If we assume that the number of arrivals is normally distributed and we don't know the population standard deviation, we can calculated a 95% confidence interval to estimate the mean value as:

x-t_{\alpha /2}\frac{s}{\sqrt{n} } \leq x'\leq x-t_{\alpha /2}\frac{s}{\sqrt{n} }

where x' is the population mean value, x is the sample mean value, s is the sample standard deviation, n is the size of the sample, \alpha is equal to 0.05 (it is calculated as: 1 - 0.95) and  t_{\alpha /2} is the t value with n-1 degrees of freedom that let a probability of \alpha/2 on the right tail.

So, replacing the mean of the sample by 49, the standard deviation of the sample by 17.38, n by 10 and t_{\alpha /2} by 2.2621 we get:

49-2.2621\frac{17.38}{\sqrt{10} } \leq x'\leq 49+2.2621\frac{17.38}{\sqrt{10} }\\49-12.4326\leq x'\leq 49+12.4326\\36.5674\leq x'\leq61.4326

Finally, the interval values that she get is:

36.5674\leq x'\leq61.4326

8 0
3 years ago
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