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PIT_PIT [208]
2 years ago
15

Explain why an inverse variation function is not the best model for the data set?

Mathematics
1 answer:
ser-zykov [4K]2 years ago
7 0

Answer:

Step-by-step explanation:

- The products of corresponding x- and y- values of an inverse variation function are constant.

- As x increases, y also increases.

-The product of the coordinate pairs are not equal: (165)(198)=32,670 and (170)(204)=34,680

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Which shows the numbers in order from least to greatest?
gavmur [86]
So just convert to a common form
I will convert to decimal since 2 of them are already decimals

to conver 1 and 3/7 to decimal, just divide 3 by 7 using a calculator
1 3/7=1.43...

so 1.38, 1.43, 1.40
the greates is .43 then .40 then .38 so the order is
least to greatest
1.38, 1.4, 1 3/7 or D
5 0
2 years ago
Tony wants to estimate the number of bees in a beehive. He catches 100 bees from the hive and marks each one with a dye. He then
fredd [130]

Answer:

Number of total bees = 400

Step-by-step explanation:

He catches 100 bees from the hive and marks each one with a dye.

He later catches 60 and 15 were marked with the dye.

Its very to estimate from the data given.

I'll answer it with ratio.

We'll ratio number of bees with dye to total he caught the second day.

I.e 15:60 = 1:4

We'll multiply this ratio with the number he caught the first day to know the total.

1/4x =100

X = 100*4

X= 400

Where x is the total number of bees in the bee hive.

4 0
2 years ago
Is a reflection of (-7,2) across the y-axis is at (7,-2)
Readme [11.4K]
The reflection of (-7, 2) across the y-axis is (-7, -2) (hope this helps ;3)
8 0
2 years ago
1/3(3 + 2x) - 1 = 10 what is the value of x?
Leviafan [203]
The value of x is 15
1/3 distributed to (3+2x) = (1+2/3x)-1
1-1 will leave u with 2/3x=10
solve for x and u get 15
6 0
3 years ago
Read 2 more answers
Trade associations, such as the United Dairy Farmers Association, frequently conduct surveys to identify characteristics of thei
asambeis [7]

Complete Question

Trade associations, such as the United Dairy Farmers Association, frequently conduct surveys to identify characteristics of their membership. If this organization conducted a survey to estimate the annual per-capital consumption of milk and wanted to be 95% confident that the estimate was no more than 0.5 gallon away from the actual average, what sample size is needed? Past data have indicated that the standard deviation of consumption of approximately 10 gallons.

Answer:

The  sample size is  n  = 1537 \ gallons

Step-by-step explanation:

From the question we are told that

    The margin of error is  MOE  = 0.5

     The confidence level is  C  =  95%

Given that the confidence level is  95% the level of significance is mathematically represented as

         \alpha  =  100 -  95

         \alpha  =  5%

         \alpha  = 0.05

Next we obtain the critical value of  \frac{\alpha }{2} from the normal distribution table , the values is  Z_{\frac{\alpha }{2} } = 1. 96

The reason we are obtaining critical values of  

\frac{\alpha }{2}

instead of  

\alpha

is because  

\alpha

represents the area under the normal curve where the confidence level interval (

1-\alpha

) did not cover which include both the left and right tail while  

\frac{\alpha }{2}

is just the area of one tail which what we required to calculate the sample size

Now the sample size is mathematically represented as

          n  =  \frac{[Z_{\frac{\alpha }{2} }] ^2 *  \sigma ^2}{MOE^2}

substituting values

         n  =  \frac{1.96^2 * 10 ^2}{0.5^2}

         n  = 1537 \ gallons

7 0
3 years ago
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