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2 years ago

10

Marco picked answer A for the following problem. Why is that not the correct answer? (NO LINKS)

1 answer:

ICE Princess25 [194]2 years ago

3 0

Answer:

This is not correct because the organic rice line in Graph A is increasing more than the conventional rice line. This is why the x- and y-labels are important: organic rice in Graph A; you are able to get more pounds for the same amount of weight. If organic rice costs more, you should get less pounds of rice. Graph B shows this relationship because the conventional rice line is higher than the orangic rice line, which indicates that you can get more conventional rice than organic rice at the same price, which is what the question says.

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Graph the following solution y=-1/2×+1 and y=-2/3×+2

Dovator [93]

I hope this helps!! Look at the top and the graph, don't know which answer you prefer :)

5 0

3 years ago

Tom has a can of paint that covers 37 1/2 square meters. Each board on the fence has an area of 3/16 square meters. How many boa

Lostsunrise [7]

He could paint 200...just divide 371/2 by 3/16

6 0

3 years ago

In a line of students, Jenna is number 8.The teacher says that a rule for a number pattern is add 4. The first student inline sa

Virty [35]

Answer:

Formula for nth term in Arithmetic sequences is:

$a_n =a+(n-1)d$

where a is the first term, d is the common difference and n is the number of terms.

As per the statement:

The rule for the pattern is add 4.

As the first term in line says the first term i,e 7

$a= 7$

common difference(d)= 7

As the Jenna number is 8th in line.

Series we get;

7, 11, ......... $a_8$

We have to find the 8th term.

n = 8, a = 7 and d = 4

Using above formula:

$a_8 = 7+(8-1)4 = 7+7 \cdot 4 = 7 +28 = 35$

Therefore, 35 number should Jenna say.

3 0

3 years ago

Read 2 more answers

78% of students in the 7th grade

irina1246 [14]

Answer:

77

Step-by-step explanation:

percentage Students

78%-------------- -273

100%-------------- ---X

(100x273)/78 = 350 students in class so

how many did not pass?

350-273 = 77 students not pass

6 0

3 years ago

Read 2 more answers

Frequent food questionnaires (FFQ) are a simple way to obtain information on the foods individuals consume by asking them questi

Ilia_Sergeevich [38]

Answer:

Asnwer is A

Step-by-step explanation:

since the correlation between the FFQ and DR is 0.89

x y xy $x^{2}$ $y^{2}$

8.26 1.68 13.8768 68. 2276 2.8224

0.83 0 0 06889 0

20.13 15.1 303.963 405.2169 228.01

11.16 7.49 83.5884 124.5456 56.1001

7.18 12.84 92.1912 51.5524 164.8656

1.76 0 0 3.0976 0

22.46 25.06 567.8596 513.4756 628.0036

-----------------------------------------------------------------------------------------------------------

∑ $x_{i}$ = ∑ $y_{i}$ = ∑ $x_{i} y_{i}$ = ∑ $x_{i}^{2} y_{i}^{2}$ = ∑ $y_{i} ^{2}$ =

71.98 62.17 1061.479 1166.8046 1079.8017

-------------------------------------------------------------------------------------------------------------

Correlation Coefficient or Pearson Correlation is given by:

the rest calculation is in the attached image

3 0

3 years ago