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mixer [17]
3 years ago
15

Which equation models the problem below if c represents the number of babies whose eyes are closed? There are 12 babies in a pho

tograph, and 9 of them have their eyes open. How many babies have their eyes closed?
9 – c = 12
12 + c = 9
c – 9 = 12
9 + c = 12
Mathematics
1 answer:
Pavel [41]3 years ago
5 0

The correct answer is: 9 + c = 12

Further explanation:

Given

c = number of babies whose eyes are closed

So,

If the total number of babies are 12 then the sum of babies with eyes closed and eyes opened should be equal to 12.

As c is the number of babies with eyes closed and 9 is the number of babies with eyes opened then,

9+c = 12

The equation can be used to find the number of babies whose eyes are open

9+c-9 = 12 -9\\c = 3

Three babies have their eyes closed in the photograph.

Keywords: Linear equations, Word problems

Learn more about linear equations at:

  • brainly.com/question/537998
  • brainly.com/question/5563823

#LearnwithBrainly

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Please help. i need part b on 66, 68 and 70!
max2010maxim [7]

Step-by-step explanation:

Use the function to find the coordinates of the endpoints.  Find the slope between those points, then use point-slope form to write the equation.  If you wish, you can simplify to slope-intercept form.

For example, #66:

f(2) = -4(2) + 1 = -7

f(5) = -4(5) + 1 = -19

So the endpoints of the secant line are (2, -7) and (5, -19).  The slope between those lines is:

m = (-19 − (-7)) / (5 − 2)

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y − 2 = x + 1

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y = x + 3

8 0
3 years ago
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