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Murljashka [212]
3 years ago
9

in the Venn diagram 60 farms only grow potatoes or sugar beets 4/5 of these 60 farms grow potatoes the number of farms that grow

potatoes are 3 times the number that grow sugar beets complete the Venn diagram
Mathematics
2 answers:
miv72 [106K]3 years ago
8 0

Answer:

The number of farms which grow potatoes is 48

The number of farms which grow sweet beets is 16  .

Step-by-step explanation:

Given as :

The Total number of farms available = 60 farms

The number of farms which grow potatoes = x = \dfrac{4}{5} of farms available

The number of farms which grow potatoes = 3 times number of farms which grow sweet beets

So, The number of farms which grow potatoes = y = \dfrac{\textrm number of farms grow potatoes}{3}

<u>Now, According to question</u>

∵x = \dfrac{4}{5} of farms available

So, x = \dfrac{4}{5} × 60

Or, x = \dfrac{4\times 60}{5}

Or, x = 12 × 4

i.e x = 48

So ,The number of farms which grow potatoes = x = 48

<u>Similarly</u>

∵y = \dfrac{\textrm number of farms grow potatoes}{3}

So, y = \dfrac{\textrm x}{3}

Or, y =  \dfrac{\textrm 48}{3}

i.e y = 16

So ,The number of farms which grow sweet beets = y = 16

Hence,The number of farms which grow potatoes is 48

And The number of farms which grow sweet beets is 16  . Answer

Neko [114]3 years ago
8 0

Answer:

4/5 of the 60 farms grows potatoes.

the number of farms that grows potatoes is 3 times the number that grow sugar beats.

then, first obtain the value:

(4/5)*60 = 48 farms grow potatoes.

and we know that 48 is 3 times the number of farms that grow sugar beets, then:

3x = 48

x = 48/3 = 16

then we have 16 farms that grow sugar beets.

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Step-by-step explanation:

p₀  = 12 %     p₀  = 0,12

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Test Hypothesis

Null Hypothesis                                      H₀                       p = p₀

Alternative Hypothesis                         Hₐ                       p < p₀

p₀*n  = 0,12*500 = 60

q₀ * n = 0,88 * 500 = 440

Then the binomial distribution can be approximate to a normal distribution

The significance level  α = 0,05     CI = 95 %

We need to develop a one-tail test (to the left ) find p-value and compare it with α.

p(s) = ( p - p₀ ) / √ p*q /n

p(s) = 0,106 - 0,12 / √(0,12)*(0,88)/500

p(s) = - 0,014 / 0,015

p(s) = - 0,93

With this P score we find the area under the bell shape curve

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Convert the percentage to a decimal.

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3 years ago
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Question 1: Find the equation of the line through point (5,4) and perpendicular to y=−43x−2. Use a forward slash (i.e. "/") for
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Answer:

Question 1: y = 3/4x + 1/4.

Question 2: y = 6/5x + 7/5.

Step-by-step explanation:

Question 1: A line perpendicular to another line would have a slope that is the negative reciprocal of the other line. If the slope of the first line is -4/3, the slope of a line perpendicular to the first would have a slope of 3/4.

Since the line goes through (5, 4), we can just put the points into the equation, y = 3/4x + b.

4 = 3/4(5) + b

b + 15/4 = 4

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b = 1/4

So, the equation of the line is y = 3/4x + 1/4.

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6y = -5x - 6

y = -5/6x - 1

As stated before, a line perpendicular to another will have a slope that is the negative reciprocal of the other. So, the slope of the other line is 6/5.

The line goes through (-2, -1), so we can put the points into the equation, y = 6/5x + b.

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Hope this helps!

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The first thing we must do for this case is find the number of total guitarists.

We have then:

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We now look for the relationship between the number of guitarists playing jazz alone to the total number of guitarists.

We have then:

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