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raketka [301]
3 years ago
14

PLEASE GUYS I REALLY NEED HELP HERE HARDLY ANYONE HELPS ME. I'M DOING ALL MY POINTS FOR YOU GUYS TO HELP ME WHICH IS 24 I KNOW I

T'S NOT A LOT BUT PLEASE!!!!!!!
2 divided by 75 in long division

6 divided by 391 in long division

50 divided by 301 in long division

23 divided by 101 in long division

34 divided by 185 in long division

PLEASE PEOPLE I REALLY NEED THIS
Mathematics
1 answer:
Grace [21]3 years ago
4 0
23 divided by 101 is 0.22772277
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Answer:

7f

Step-by-step explanation:

Just add them all together keeping the f on

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This extreme value problem has a solution with both a maximum value and a minimum value. use lagrange multipliers to find the ex
Natasha_Volkova [10]

We have ∇f(x,y,z) = ⟨4x3,4y3,4z3⟩ and ∇g(x,y,z) = ⟨2x,2y,2z⟩, so LaGrange’s method gives requires that we solve the following system of equations:

x2 + y2 + z2 <span>= 1
We split into four cases, depending on whether </span>x and y are zero or not:

4x3 = 2λx 4y3 = 2λy 4z3 = 2λz

(1) (2) (3) (4)

(a) x and y are both nonzero. Then equations (1) and (2) tell us that x2 = y2 = λ/2, and putting √√ √√√

this into equations (3) and (4) gives solutions (± 2/2, ± 2/2, 0) and (± 3/3, ± 3/3, ± 3/3). (b) x̸=0buty=0. Thenwehavex2 =λ/2,from(1)andputtingthisinto(4)givesλ/2+z2 =1,

√√ which using (3) gives solutions (±1, 0, 0) and (± 2/2, 0, ± 2/2).

(c) y ̸= 0 but x = 0. This is just like case (b) but with x and y reversed: the solutions are (0, ±1, 0) √√

and (0, ± 2/2, ± 2/<span>2).
(d) </span>x = y = 0. Then equation (4) tells us that z = ±1, so we get the two solutions (0, 0, ±1).

Now we determine which of these points are maxima and minima by simply evaluating f at all these points. We find that the maximum value of f is 1 and occurs at (±1, 0, 0), (0, ±1, 0), and (0, 0, ±1),

√√√√√√

while the minimal value is 1/3, and occurs at (± 3/3, ± 3/3, ± 3/3), (± 3/3, ± 3/3, ± 3/3), √√√

and (± 3/3, ± 3/3, ± 3/<span>3). </span>

4 0
3 years ago
What is the slope of the line that passes through the points E(5,1)and F(2, -7)
Lelechka [254]
Use slope formula y^2-y^1/x^2-x^1
So.
(-7-1)/(2-5) = -8/-3 = 8/3
6 0
2 years ago
A market research company conducted a survey to find the level of affluence in a city. They defined the category "affluence" for
malfutka [58]

Answer:

A 95% confidence interval for this population proportion is [0.081, 0.159].

Step-by-step explanation:

We are given that a market research company conducted a survey to find the level of affluence in a city.

Out of 267 persons who replied to their survey, 32 are considered affluent.

Firstly, the pivotal quantity for finding the confidence interval for the population proportion is given by;

                            P.Q.  =  \frac{\hat p-p}{\sqrt{\frac{\hat p(1-\hat p)}{n} } }  ~ N(0,1)

where, \hat p = sample proportion of people who are considered affluent = \frac{32}{267} = 0.12

            n = sample of persons = 267

            p = population proportion

<em>Here for constructing a 95% confidence interval we have used One-sample z-test for proportions.</em>

<u>So, 95% confidence interval for the population proportion, p is ;</u>

P(-1.96 < N(0,1) < 1.96) = 0.95  {As the critical value of z at 2.5% level

                                                    of significance are -1.96 & 1.96}  

P(-1.96 < \frac{\hat p-p}{\sqrt{\frac{\hat p(1-\hat p)}{n} } } < 1.96) = 0.95

P( -1.96 \times {\sqrt{\frac{\hat p(1-\hat p)}{n} } } < {\hat p-p} < 1.96 \times {\sqrt{\frac{\hat p(1-\hat p)}{n} } } ) = 0.95

P( \hat p-1.96 \times {\sqrt{\frac{\hat p(1-\hat p)}{n} } } < p < \hat p+1.96 \times {\sqrt{\frac{\hat p(1-\hat p)}{n} } } ) = 0.95

<u>95% confidence interval for p</u> = [ \hat p-1.96 \times {\sqrt{\frac{\hat p(1-\hat p)}{n} } } , \hat p+1.96 \times {\sqrt{\frac{\hat p(1-\hat p)}{n} } } ]

    = [ 0.12-1.96 \times {\sqrt{\frac{0.12(1-0.12)}{267} } } , 0.12+1.96 \times {\sqrt{\frac{0.12(1-0.12)}{267} } } ]

    = [0.081, 0.159]

Therefore, a 95% confidence interval for this population proportion is [0.081, 0.159].

4 0
3 years ago
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