The fungi Basidiomycota are often used for making _____.
breads
salads
antibiotics
cheeses

The fungi Basidiomycota are often used for making salads.

Question

Asked 6/16/2011 12:23:10 PM

Updated 11/17/2015 1:07:44 AM

1 Answer/Comment

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The fungi Basidiomycota are often used for making salads.

Added 11/17/2015 1:07:44 AM

This answer has been confirmed as correct and helpful.

Solve the following system of equations by the substitution method.
"5x = y + 6,"
"2x - 3y = 4"

Question

Updated 9/14/2014 1:09:10 AM

6 Answers/Comments

janezshun, please make sure to clearly type your solutions by using proper spacing.

Added 9/10/2014 7:00:16 AM

Hi andrew , for these question, Can I simplify or didn't use to add the calculation steps? I think I can't simplify it ,because the question asked to use the substitution method.

Added 9/10/2014 8:01:36 AM

The solution for 5x = y + 6, 2x - 3y = 4 is x = 14/13, y = -8/13.

From 5x = y + 6 , we can get y = 5x - 6, which we can put it into the 2th equation.

2x - 3y = 4

2x - 3 (5x - 6) =4

-13x + 18 =4

x = 14/13

put x = 14/13 into the y = 5x - 6 , we can get the value of y

y= 5x - 6

y= 5*14/13 - 78/13

y= 70/13-78/13

y= - 8/13

From 5x = y + 6 , we can get y = 5x - 6, which we can put it into the 2th equation.

2x - 3y = 4

2x - 3 (5x - 6) =4

-13x + 18 =4

x = 14/13

put x = 14/13 into the y = 5x - 6 , we can get the value of y

y= 5x - 6

y= 5*14/13 - 78/13

y= 70/13-78/13

y= - 8/13

Added 9/14/2014 1:09:10 AM

Solve "4(x + 5) 13}
C.{x | x > 7}
D.{x | x < 13}

Question

Updated 232 days ago|12/3/2018 4:38:05 AM

1 Answer/Comment

4(x + 5) < 6x + 6 ;

4x + 20 < 6x + 6 ;

4x - 6x < 6 - 20 ;

-2x > -14 ;

x < -14/-2 ;

x < 7 ;

{x | x < 7}

4x + 20 < 6x + 6 ;

4x - 6x < 6 - 20 ;

-2x > -14 ;

x < -14/-2 ;

x < 7 ;

{x | x < 7}

Added 232 days ago|12/3/2018 4:38:05 AM

This answer has been confirmed as correct and helpful.

true or false: Solid solutions are only formed with metals.

Question

Updated 12/1/2014 7:32:42 AM

1 Answer/Comment

Solid solutions are only formed with metals. TRUE.

Added 12/1/2014 7:32:42 AM

This answer has been confirmed as correct and helpful.

Aldehydes may oxidize to form: A.ketones B.organic acids C.primary alcohols D.disinfectants

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Updated 2/15/2018 2:32:28 PM

1 Answer/Comment

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