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dusya [7]
3 years ago
8

Which equation represents the data shown in the table below

Mathematics
2 answers:
Debora [2.8K]3 years ago
8 0
It is obviously C.  most obviously
Liono4ka [1.6K]3 years ago
5 0

Answer:

Equation c represent the table .

Step-by-step explanation:

Given : Table of data cost(x) : 2   4    6   8

                               Gallon (y) :5   10  15  20.

To find: which equation represents the data shown in the table.

Solution : We have given

 cost(x) : 2   4    6   8

Gallon (y) :5   10  15  20.

Equation C

y = 2.5 x

For x =2

y = 2.5 ( 2).

y = 5.

For x = 4.

y = 2.5( 4).

y = 10.

For x = 6

y = 2.5 (6).

y = 15.

For x =8

y = 2.5 ( 8)

y = 20.

Therefore, Equation c represent the table .

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Of 1,050 randomly selected adults, 360 identified themselves as manual laborers, 280 identified themselves as non-manual wage ea
garik1379 [7]

Answer:

We can claim with 95% confidence that the proportion of executives that prefer trucks is between 19.2% and 32.8%.

Step-by-step explanation:

We have a sample of executives, of size n=160, and the proportion that prefer trucks is 26%.

We have to calculate a 95% confidence interval for the proportion.

The sample proportion is p=0.26.

 

The standard error of the proportion is:

\sigma_p=\sqrt{\dfrac{p(1-p)}{n}}=\sqrt{\dfrac{0.26*0.74}{160}}\\\\\\ \sigma_p=\sqrt{0.0012}=0.0347

The critical z-value for a 95% confidence interval is z=1.96.

The margin of error (MOE) can be calculated as:

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Then, the lower and upper bounds of the confidence interval are:

LL=p-z \cdot \sigma_p = 0.26-0.068=0.192\\\\UL=p+z \cdot \sigma_p = 0.26+0.068=0.328

The 95% confidence interval for the population proportion is (0.192, 0.328).

We can claim with 95% confidence that the proportion of executives that prefer trucks is between 19.2% and 32.8%.

3 0
3 years ago
Solve for in terms of A and w. A=w
arlik [135]

Answer:

Step-by-step explanation:

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w in terms of A is w = A, and

A in terms of w is A = w

6 0
2 years ago
Marco states that 7.696696669…… is a rational number because it is a repeating decimal. Is he correct? Justify your answer.
Allisa [31]

Answer:

no because at the end it is 669 not 696 so it is not repeating decimal

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copy dot flip

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