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andrew-mc [135]
3 years ago
14

A ______ is a rule that pairs each element in one set with exactly one element from a second set.​

Mathematics
1 answer:
Cloud [144]3 years ago
3 0

Answer:

function

Step-by-step explanation:

A <u>function</u> is a rule that pairs each element in one set with exactly one element from a second set.​

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A certain food has a gluten ratio of 13mg per L of the food.what is the gluten ratio in micrograms per milliliter? PLEASE HELP M
AlekseyPX
Given:
The gluten ratio is 13 mg per L of food.

Note that
1 L = 1000 mL (milliliter)
1 mg = 10⁻³ g
1 μg = 10⁻⁶ g
Therefore
1 mg = 1000 μg

The gluten ratio is
(13  \frac{mg}{L} )*( 1000   \frac{\mu g}{mg} )*( \frac{1}{1000} \frac{L}{mL}  )=13 \frac{\mu g}{mL}

Answer:  The gluten ratio is 13 μg/mL


4 0
4 years ago
Read 2 more answers
A line passes through (0, –7) and has a slope of -2/3. What is the equation of the line in slope-intercept form
babunello [35]

Answer:

the required equation is y = ( -2/3 )x -7

Step-by-step explanation:

<u>Given</u><u> </u><u>:</u><u>-</u><u> </u>

<em> </em>

<em>the</em><em> line </em><em>passes </em><em>thr</em><em>ough</em><em> </em><em>the </em><em>point</em><em> ( </em><em>0</em><em> , -</em><em>7</em><em> </em><em>)</em>

<em>)and slope of the line is </em><em>(</em><em> </em><em>-</em><em>2</em><em>/</em><em>3</em><em> </em><em>)</em>

<em>• To form an equation when one point and it's slope is given , </em>

<em>• To form an equation when one point and it's slope is given , we use ;</em>

<em>• To form an equation when one point and it's slope is given , we use ;( y - y1 ) = m ( x - x1 )</em>

<em>• To form an equation when one point and it's slope is given , we use ;( y - y1 ) = m ( x - x1 )Where , x and y are variables</em>

<em>• To form an equation when one point and it's slope is given , we use ;( y - y1 ) = m ( x - x1 )Where , x and y are variablesand x1 and y1 are the points where the line meet ! </em>

<em>• To form an equation when one point and it's slope is given , we use ;( y - y1 ) = m ( x - x1 )Where , x and y are variablesand x1 and y1 are the points where the line meet ! and m is slope of the tangent !!</em>

<em>y1</em><em> </em><em>=</em><em> </em><em>-</em><em>7</em>

<em>x1</em><em> </em><em>=</em><em> </em><em>0</em>

<em>So, putting all the values in the equation we get ,</em>

<em>(y - ( - 7)) =  \frac{( -2 )}{3} (x - 0) \\  \\ y + 7 =  \frac{ - 2}{3} x \\  \\ 3y + 21 =  - 2x \\  \\ 3y =  - 2x - 21</em>

<em>3y =  - 21 - 2x \\  \\ y =   \frac{ - 2}{3} x -  \frac{21}{3  }  \\  \\ y =  \frac{ - 2}{3} x - 7</em>

<em>• Slope intercept form of the equation </em>

<em>• Slope intercept form of the equation y = mx + c </em>

<em>• Slope intercept form of the equation y = mx + c Where , m is slope of the line </em>

<em>• Slope intercept form of the equation y = mx + c Where , m is slope of the line and c is y intercept !! </em>

<em>[</em><em> </em><em>also</em><em> </em><em>,</em><em> </em><em>we</em><em> </em><em>can</em><em> </em><em>direc</em><em>tly</em><em> </em><em>put</em><em> </em><em>the</em><em> </em><em>value</em><em> </em><em>of</em><em> </em><em>c</em><em> </em><em>=</em><em> </em><em>-</em><em>7</em><em> </em><em>and</em><em> </em><em>m</em><em> </em><em>=</em><em> </em><em>(</em><em> </em><em>-</em><em>2</em><em>/</em><em>3</em><em> </em><em>)</em><em> </em><em>from</em><em> </em><em>given</em><em> </em><em>]</em>

<em>Hence , here m = </em><em>(</em><em>-</em><em>2</em><em>/</em><em>3</em><em> </em><em>)</em><em> and c = </em><em>-</em><em>7</em>

<em>So, the required equation is y = </em><em>(</em><em> </em><em>-</em><em>2</em><em>/</em><em>3</em><em> </em><em>)</em><em>x</em><em> </em><em>-</em><em>7</em>

5 0
3 years ago
(24+3)+3+3 use order of operations to solve
Stella [2.4K]

Answer:

33

Step-by-step explanation:

(24 + 3) + 3 + 3

(27) + 3 + 3              First solve what's in the parenthesis

30 + 3                     Then work left to right

33

6 0
3 years ago
Read 2 more answers
Kendall's sister is 156 months old. Kendall is 3 years older than her sister. How many years old is Kendall?
Lena [83]
Kendall is 16 you do 156/12 and you get 13 then add 3 and you get 16
4 0
4 years ago
Read 2 more answers
What is the solution of this system of linear equations? 3y = 3/2x + 6 1/2y –1/4 x = 3
Sati [7]
The answer is:  [C]:  "no solution" .
_________________________________________________________

Given:  3y = 3/2 x + 6 ; Multiply each side by "2" ; to get rid of the fraction

              2 * { 3y = 3/2 x + 6 } ;  to get:  6y = 3x + 12 

           
Given:  1/2 y –1/4 x = 3 ;  Multiply EACH SIDE by "4" ; to get rid of the fraction ;


            4 * { 1/2 y – 1/4 x = 3 } ;  to get:  2y – x = 12 ;
______________________________________________
So we have:

6y = 3x + 12 ;

2y – x = 12 ; 
__________________________________________
Multiply BOTH side of the "second equation" by "-1" ;

-1 * { 2y – x = 12 } ; 

to get :   x – 2y = -12  ;  

Now, add "2y" to each side of the equation;  
 to isolate "x" on one side of the equation; & to solve for "x" ; 

  x – 2y + 2y = -12 + 2y ; 

to get:  x = 2y – 12 ; 

Now, consider the "first equation" ; 

6y = 3x + 12 ; 
 
Divide EACH SIDE of this equation by "3" ; 

6y / 3 = (3x + 12) / 3 ; 

to get:  2y = x + 4 ; 

Divide EACH SIDE of the equation by "2" ; 

2y/ 2  = ( x + 4) /2 ; 

to get:  y = (x + 4) / 2 ;
 
Now plug in our calculated value for "x" ; which is:   

        " x = 2y – 12 " ; for the "x" values


 y = [ (2y – 12)] + 4)] / 2 ; 

y = (2y – 8 )/ 2 

2y  = 2y  – 8 ??? ;; 

The answer is:  [C]:  "no solution" .
___________________________________________________

7 0
3 years ago
Read 2 more answers
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