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Stella [2.4K]
3 years ago
7

5. Write an equivalent ratio to 18:1?

Mathematics
2 answers:
Molodets [167]3 years ago
7 0

Answer:

36:2

Step-by-step explanation:

we can just multiply both numbers by 2, to get 36:2

balandron [24]3 years ago
6 0

Answer:

36:2

54:3

etccccccccc

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You have to show us the image Sherlock

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Gallup conducted a survey from April 1 to 25, 2010, to determine the congressional vote preference of the American voters.15 The
Lisa [10]

Answer:

p ( x > 2746 ) = p ( z > - 1.4552 )

                      = 1 - 0.072806

                      = 0.9272

This shows that there is > 92% of a republican candidate winning the election hence I will advice Gallup to declare the Republican candidate winner

Step-by-step explanation:

Given data:

51% of male voters preferred a Republican candidate

sample size = 5490

To win the vote one needs ≈ 2746 votes

In order to advice Gallup appropriately lets consider this as a binomial distribution

n = 5490

p = 0.51

q = 1 - 0.51 = 0.49

Hence n_{p} > 5  while n_{q}  < 5

we will consider it as a normal distribution

From the question :

number of male voters who prefer republican candidate  ( mean ) ( u )

= 0.51 * 5490 = 2799.9

std = \sqrt{npq} = \sqrt{5490 * 0.51 *0.49} = 37.0399  ---- ( 1 )

determine the Z-score = (x - u ) / std  ---- ( 2 )

x = 2746 , u = 2799.9 , std = 37.0399

hence Z - score = - 1.4552

hence

p ( x > 2746 ) = p ( z > - 1.4552 )

                      = 1 - 0.072806

                      = 0.9272

This shows that there is > 92% of a republican candidate winning the election hence I will advice Gallup to declare the Republican candidate winner

7 0
2 years ago
A city is planning to add a fish pond to a neighborhood park. The figure below is a scale drawing of the fish pond. It’s scale i
mezya [45]
Total area = 2,250 ft + 706.50 ft = 2,956.50 ft. pretty sure that’s the answer.
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3 years ago
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Math work! Plz help!!
Svetllana [295]
180 + 60x = 2,000

180 is how much money she has already, 60 is how much she makes per week, x is the amount of weeks, and 2,000 is her goal.
5 0
3 years ago
The length of a rectangle is 4 in longer than its width.
sertanlavr [38]

Answer:

60 sq in

Step-by-step explanation:

Perimeter = 2l + 2w

If l = w+4

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6 = w

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Area = l * w

Area = 10 * 6

Area = 60

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3 years ago
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