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dimulka [17.4K]
4 years ago
14

Organic foods in local stores are typically more expensive than conventional foods. The table below compares recent organic and

conventional prices per pound for carrots and apples. Use the table to answer the questions. A table showing the first column, Organic Price and the second column, Conventional Price. The first row is Carrots with the entries, $1.51 per pound and $0.77 per pound. The second row is Apples with the entries $2.34 per pound and $1.57 per pound. The third row is Onions with the entries $1.57 per pound and $0.93 per pound. Do the organic prices vary directly with the conventional prices? If so, identify k. Does the total cost of organic apples vary directly with the number of pounds of organic apples purchased? If so, identify k.
Mathematics
2 answers:
Oliga [24]4 years ago
7 0

Answer:

1( no this is not direct variation

2( yes this is dirrect variation with k=2.34

Step-by-step explanation:

think this is the answer but no one answered wow, hope this helped or would have helped.

Eduardwww [97]4 years ago
6 0

Answer:

1.   No, this is not a direct variation

2.  Yes, this is direct variation k=2.34

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Answer:

Simplifying
5x + 7y = -6

Solving
5x + 7y = -6

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

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5x + 7y + -7y = -6 + -7y

Combine like terms: 7y + -7y = 0
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Simplifying
x = -1.2 + -1.4y
__________________________________

Simplifying
4x + 7y = -9

Solving
4x + 7y = -9

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-7y' to each side of the equation.
4x + 7y + -7y = -9 + -7y

Combine like terms: 7y + -7y = 0
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Simplifying
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6 0
3 years ago
Sasha purchased paint that will cover 400 square feet per gallon. Sasha needs to paint a 4704-square-foot surface with 2 coats o
ratelena [41]

Answer:

D. 24

Explanation:  

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(That will give you a little extra paint)

Then just double 12 to get two coats and you would get D.

Have a nice day!

Hope this helped.

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3 years ago
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4 years ago
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never [62]
I found the missing parts of this question.
Test A 
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<span>Mean score </span><span>80 </span>
<span>Standard deviation </span><span>6 </span>

<span>Test B </span>
<span>Gregorio's score </span><span>70 </span>
<span>Mean score </span><span>90 </span>
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<span>c. </span><span>Test A: –2; Test B: –3; Test A </span>
<span>b. </span><span>Test A: –3; Test B: –2; Test B </span>
<span>d. </span><span>Test A: –3; Test B: –2; Test A
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Refer to the attachment for the formula of z score:

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test B: z = (70-90)/10 = -20/10 = -2

B. <span>Test A: –3; Test B: –2; Test B </span>

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3 years ago
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