Two or more decimal numbers are said to be equivalent decimals, when they name the same value (or same amount). For example, the decimals: 0.2 = 0.20 = 0.200 = 0.2000 etc. Thus by successive addition of zeros after the decimal part of the number after the decimal point means the same number and hence are equivalent. Therefore, the decimals: 5.3, 5.30, 5.300, 5.3000 etc are all equivalent.




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yellowcomic.com:

1.

Step-by-step explanation: - (-3) should be a positive 3 when simplified. Whenever there is two negative sign in front of a number it is going to be positive.



Do you think it"s possible to have two data sets where only one has an outlier, but the other has a greater standard deviation?

yellowcomic.com:Yes. The standard deviation is the square root of the variance, and the variance is the average of (distance from the mean) squared.

Step-by-step explanation:



Emergency rooms have reason to suspect that visits increase on the weekends. A recent report indicates that Monday through Thurs

yellowcomic.com:

No the facility dose not have the same pattern as the recent report at the 10% level

Step-by-step explanation:

To determine if the Facility have the same pattern ; Perform Chi squared test for Goodness of fit

state the hypothesis

H0 : μ = same pattern

Ha : μ ≠ same pattern

expected frequency ( E ) = proportion * summation of frequency

summation of frequency = 1000

degree of freedom = 7 - 1 = 6

Next : Calculate the expected frequency (E) , (O-E)²/E. given that the observed frequency and expected proportion is given

For Monday

expected frequency = proportion * frequency = 0.1 * 1000 = 100

(O-E)²/E. = ( 120 - 100 )^2 / 100 = 4.0.

observed frequency ( O ) , expected frequency ( E )

For Tuesday

E = 0.1 * 1000 = 100

(O-E)²/E = ( 130 - 100 )^2 / 100 = 9.0

Repeat same calculations for Wednesday through Sunday

Then perform Chi-squared test

X² = Σ(O-E)²/E = 63.642

∝ = 0.1

df = 6

hence P-value = 0.000 ( =chisq.dist.rt(test-stat,df)

since P-worth 7 0



yellowcomic.com:

Step-by-step explanation:

Let x represent the amount that Andre"s neighbor pay him each week to mow the lawn.

Andre always gives a $2 donation to the food bank in weeks when he earns money. Since it will take him 5 weeks to earn the money for his dad"s gift, his total donation for 5 weeks will be 2×5 = $10

Andre wants to save $40 to buy a gift for his dad. It means that the amount that he gets paid for mowing the lawn - his total donations in 5 weeks = the amount that he wants to save. Therefore,

x - 10 = 40

x = 40 + 10 = $50



5 0


i think it"s the first option since the others make no sense



6 0







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