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blondinia [14]
3 years ago
15

the class kept track of rainy and sunny days. During the 54 days, classified rainy or sunny, the ratio of rainy days is 7 to 14.

How many sunny days were there?
Mathematics
2 answers:
Rom4ik [11]3 years ago
6 0

There are 36 sunny days

baherus [9]3 years ago
4 0

1:2

1 + 2 = 3

54/3 = 18

1 • 18 = 18

2 • 18 = 36

There are 36 sunny days.

Hope this helps!

If it does then I would appreciate it if you could make me brainliest.

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Which method correctly solves the equation using the multiplication property of equality and the reciprocal of one-third? one-th
Marianna [84]

The solution to the equation one-third (x + 9) = negative 12 is  x = -45

<h3>How to solve the equation?</h3>

The equation is given as:

one-third (x + 9) = negative 12

Rewrite properly as:

1/3 (x + 9) = -12

Multiply both sides by 3

x + 9 = -36

Subtract 9 from both sides

x = -45

Hence, the solution to the equation one-third (x + 9) = negative 12 is  x = -45

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2 years ago
Chocolate chip cookies have a distribution that is approximately normal with a mean of 24.2 chocolate chips per cookie and a sta
Allisa [31]

Answer:

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Percentile 95

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Step-by-step explanation:

Let X the random variable that represent the variable of interest of a population, and for this case we know the distribution for X is given by:

X \sim N(24.2,2.6)  

Where \mu=24.2 and \sigma=2.6

We want to find the percentiles 5 and 95 for this case.

Percentile 5

For this part we want to find a value a, such that we satisfy this condition:

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P(X   (b)

We want to find a percentile with 0.95 of the area on the left and 0.05 of the area on the right it's z=-1.64. On this case P(Z<-1.64)=0.05 and P(z>-1.64)=0.05

Using this condition we got:

P(X  

P(z

Replacing we got:

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4 years ago
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Answer:

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\boxed{y=\dfrac{4}{3}x+4}

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