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jarptica [38.1K]
3 years ago
8

The cost of the lunches for the field trip can be represented by the expression:

Mathematics
2 answers:
padilas [110]3 years ago
8 0

B. Hdbsubsidbxjwbsudbbsus
quester [9]3 years ago
7 0

20 + 9 is the first answer

4(20)+4(9)+4( 6) is the second answer

80+36+24=140 is the third answer :)

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Is a cub a polygon ?why or why not
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good moring yall anyone know how to do this i have a idea but i think im wrong so anyone want to clear that up for me?
AlexFokin [52]

Answer:

good morning :)

the answer is 15

Step-by-step explanation:

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2 years ago
What is the equation of the directrix of the parabola given by the equation (y − 3)2 = 8(x − 5)?
Licemer1 [7]
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8 0
3 years ago
For each situation below, write the equation of the line and explain how you can tell.
sveticcg [70]

Answer:

see below

Step-by-step explanation:

a. Has a slope of 2 and passes through (10,17)

Using the slope intercept form

y = mx+b  where m is the slope and b is the y intercept

y = 2x+b

Substitute the point into the equation

17 = 2(10)+b

17 = 20+b

Subtract 20 from each side

17-20 =b

-3 =b

y = 2x-3

b. passes through (1,-4) and (2,-5)

First find the slope

m= (y2-y1)/(x2-x1)

   = (-5- -4)/(2-1)

  = (-5+4)/(2-1)

  = -1/1

  = -1

Using the slope intercept form

y = -x+b

Substitute a point into the equation

-4 = -1(1) +b

-4 = -1+b

Add 1 to each side

-3 = b

y = -x+3

   

6 0
3 years ago
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