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3 years ago

If your good at math can you please tell me the answer to this fast?? Btw sorry about the bad lighting

Mathematics

2 answers:

REY [17]3 years ago

6 0

Answer:

hihi

Step-by-step explanation:

AnnZ [28]3 years ago

4 0

Answer:

It is b

Step-by-step explanation:

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The total distance if x=4 is 62

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3 years ago

I need it in a linear equation please i need help

klio [65]

Answer:

Caterer One: C = 55n

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Caterer Three: C = 35n + 800

Step-by-step explanation:

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3 years ago

Identify the transformation at the right.

emmainna [20.7K]

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3 years ago

Previous Question Question 14 of 20 Next Question A company randomly surveys 15 VIP customers and records their customer satisfa

Ann [662]

Answer:

71.4699, 81.7301.

Step-by-step explanation:

So, the following are the scores: 74

$Let,\;the\;total\;sum\;of\;the\;scores\;be:\sum x =1149$

$Then,\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\sum x^2=89795$

The length of the score : 15

Then, let the size of the scores be n : 15.

Then, we have to find the mean.

$\bar{x}=\frac{\sum x}{n}$

$=\frac{1149}{15}=76.6$

$Then,\;we\;have\;to\;find\;standard\;deviation:S=\sqrt{\frac{\sum x^2-n.(\bar{x})^2}{n-1} }$

$=\sqrt{\frac{89795-15\times(76.6)^2}{15-1} }=11.2808$

$The\;degree\;of\;freedom:n-1=14$

$So,\;the\;significant\;level:\alpha=1-0.90=0.10$

$and\;the\;critical\;value:t_{\frac{\alpha}{2} }=1.7613$

$Finally:\\=\bar{x}\;\pm\;t_{\frac{\alpha}{2} }\;\frac{S}{\sqrt{n} }\\=(71.4699, 81.7301)$

6 0

3 years ago

For an acute angle 0, the equation sin(0) = cos(6) is true. What is the value of ? Show or explain your answer

weqwewe [10]

Answer:

$\theta =84$

Step-by-step explanation:

Given

$sin(\theta) = cos(6)$

Required

Find $\thata$ $\theta$

In trigonometry:

If sin(A) = cos(B), then

$A + B = 90$

So, we have:

$\theta + 6 = 90$

Collect Like Terms

$\theta + 6 -6= 90-6$

$\theta = 90-6$

$\theta =84$

6 0

3 years ago