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3 years ago

Solve 10/y=2/9 The solution of y =

Mathematics

2 answers:

ANEK [815]3 years ago

8 0

Y=45 let me know if you need an explanation luv,mark me brainliest pls

tankabanditka [31]3 years ago

5 0

Answer:

10/45 == 2/9

Step-by-step explanation:

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Most major airlines allow passengers to carry two pieces of luggage (of a certain maximum size) onto the plane. However, their s

igor_vitrenko [27]

Answer:

The correct option is

d) (179.20, 212.716)

Step-by-step explanation:

We have out of a random sample of 1000, 345 carried more than a bag

Therefore in the question our X = 345 passengers carry more than a piece of luggage

n = 1000

Therefore the probability of a passenger carrying more than one luggage = 345/1000 = 0.345

The confidence interval estimator of p is given by

$p'+/-z_{\alpha/2}\sqrt{\frac{p'(1-p')}{n} }$ where p' = 0.345 = probability of desired outcome

n = 1000 = Population size

z at 95 % = Confidence interval estimate, the value is sought from the distribution table as z value is 1.96 at 95 % confidence level

We have $0.345+/-1.96\sqrt{\frac{0.345*(0.655)}{1000} }$ which gives

0.3745 or 0.3155

Which gives the range of confidential interval estimate as

212.695 to 179.224 which is equivalent to

d) (179.20, 212.716).

8 0

4 years ago

Rectangle is 2/5 inches long and 1/3 inches wide what is the area of the rectangle in simplest form

tekilochka [14]

Area= length * width
A= 2/5 long * 1/3 wide
A= (2 * 1) / (5 * 3)
A= 2/15

2/15 is the area & simplest form

Hope this helps! :)

3 0

3 years ago

The probability that a data communications system will have high selectivity is 0.72, and the probability that it will have high

34kurt

Let us assume that even F represents fidelity and event S represents selectivity.

We have been given the probabilities:

P(S) = 0.72, P(F) = 0.59 and $P(S\cap F)=0.33$

We need to find the conditional probability that a system with high fidelity will also have high selectivity. We know the conditional probability formula:

$P(\frac{S}{F})=\frac{P(S\cup F)}{P(F)}$

Upon substituting the given values, we get:

$P(\frac{S}{F})=\frac{0.33}{0.59}$

$P(\frac{S}{F})=\frac{33}{59}=0.56$

4 0

3 years ago

a bathtub drains at a rate of 4 1/5 liters of water in 1/6 of a minute. how many liters of water does the bathtub drain per minu

kenny6666 [7]

Answer:

25.2

Step-by-step explanation:

4 1/5 = 4.2

4.2 x 6 = 25.2

5 0

4 years ago

Mrs smith has 5 times as many markers as colored pencils. The total is 54. How many markers does she have?

zhenek [66]

5 part marker and 1 part pencil 5+1=6 54/6=9 9 pencils 9 times 5 45 markers

3 0

4 years ago