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SOVA2 [1]
3 years ago
9

Can anyone helppp I’m not sure if my answer is correct!!

Mathematics
2 answers:
Brrunno [24]3 years ago
6 0

Answer:

I would say D

Step-by-step explanation:

:)

LenKa [72]3 years ago
4 0

Answer:

3 is the best answer in my opinion

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Abby filled her goodie bags with 4 cookies and 3 candy bars and spent a total of $10.25 per bag. Marissa filled her goodie bags
Paladinen [302]
Let's start by writing a system of linear equations:
c -> cookies 
cb -> candy bars
(You can use any abbreviations to your preference)

Abby:
4 cookies 
3 candy bars
$10.25 per bag
The equation would be:
4c+ 3cb = $10.25

Marissa:
2 cookies
7 candy bars
$14.75 per bag
The equation would be:
2c + 7cb = $14.75

So our linear equation system would be:
<span>4c+ 3cb = $10.25
</span><span>2c + 7cb = $14.75

I would try to get rid of one variable so I can solve for the other variable. In this case, it is easier to get rid of c since I can multiply the second equations by 2. Then it would subtract the two equations.

(2c + 7cb = $14.75) 2 = 4c + 14 cb = $29.50

      4c + 3cb = $10.25
   -  4c+14 cb = $29.50                    (4c would get canceled.)
---------------------------------
             -11 cb = - $19.25                (Divide by -11 to solve for cb)
</span>             ---------   -------------
              -11           -11
            
             cb = $1.75

Now we know cb (candy bar) cost, we would substitute this value into cb into one of the equations. It doesn't matter which equation you put it in. I will substitute it in the first equations. 

  4c + 3 (1.75) = $10.25
  4c + 5.25 = $10.25                       (Multiply 3 by 1.75)
       -5.25       -5.25                         (Subtract 5.25 on both sides)
             4c = 5                                 (Divide by 4 on both sides to get c)
             ----   ---
              4      4
         
         c= 1.25

Check the work:
4(1.25) + 3(1.75) 
  = $10.25

2(1.25) + 7(1.75)
   = $14.75

Total cost:
cookies = $1.25
candy bars = $ 1.75

Hope this helps! :)

6 0
3 years ago
What is PIE multiplied by PIE?
oksian1 [2.3K]
Pie equal 3.14. So therefore 3.14 x 3.14= 9.8596
6 0
3 years ago
Read 2 more answers
Write each polynomial function in standard form , classify it by degree and determine the end behavior of its graph Y=12-x^4
Dmitry_Shevchenko [17]
In standard form, zero is always on the right:
y = 12 - x^4
y + x^4 - 12 = 0 

End behavior: 
As x approaches ∞, y approaches -∞
As x approaches -∞, t approaches -∞
4 0
2 years ago
Simplify the following expression.
levacccp [35]
51x+83y-14x-25y=37x+58y
4 0
3 years ago
19, find the direction angle of vector v to the nearest tenth of a degree
labwork [276]
The vector v is given by:
 v = (7, 2) - (-5, 0)
 v = ((7 - (- 5)), (2-0))
 v = ((7 + 5), 2)
 v = (12, 2)
 Then, the angle is given by:
 tan (theta) = 2/12
 theta = atan (2/12)
 theta = 9.46 degrees
 Answer:
 
The direction angle of vector to the nearest tenth of a degree is:
 
theta = 9.5 degrees
6 0
3 years ago
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