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Zigmanuir [339]
3 years ago
12

To solve the problem below, you must write a clear and convincing justification for accepting one of the possible answer choices

as the best or most appropriate and for rejecting each of the other choices as less appropriate. Your reasons for rejecting choices are just as important as your reasons for choosing the best answer.
Mathematics
1 answer:
tresset_1 [31]3 years ago
8 0
A Ligustrum plant cell is exposed to an aqueous solution having sodium and chloride concentrations higher than the sodium and chloride concentrations of the cell interior. After thirty minutes, a biologist observes the cell under a microscope and states that the cell shows no evidence of having lost water. Which of the following best explains the observation?1The cell membrane is not permeable to either sodium or chloride.2The cell is surrounded by a rigid cell wall.3The cell protected itself by actively transporting sodium across the cell membrane into the external solution.4A plant cell, being different from an animal cell, cannot tolerate high concentrations of sodium and chloride and dies within 5 minutes.5The cell interior contains a variety of solutes in addition to sodium and chloride.
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Please help worth a lot of points !!!<br><br> Find the measure of show your work
VashaNatasha [74]

Answer:

<u>∠AEB = 72°</u>

Step-by-step explanation:

<u>Finding x</u>

  • ∠AEB = ∠DEC (Vertically opposite angles)
  • 7x - 5 = 2(4x - 8)
  • 7x - 5 = 8x - 16
  • 8x - 7x = -5 + 16
  • x = 11

<u>Finding ∠AEB</u>

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  • 7(11) - 5
  • 77 - 5
  • <u>∠AEB = 72°</u>
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2 years ago
{1, -2),(-2, 0),(-1, 2),(1, 3)}<br> Function
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Answer:

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Step-by-step explanation:

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Ludmilka [50]

Answer:

0.375

Step-by-step explanation:

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HELP I WILL GIVE 5 POINTS TO WHOM EVER CAN ANSWER THESE LAST 2 QUESTIONS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
vodka [1.7K]
Group and factor
undistribute then undistribute again
remember
ab+ac=a(b+c)
this is important



6d^4+4d^3-6d^2-4d
undistribute 2d
2d(3d^3+2d^2-3d-2)
group insides
2d[(3d^3+2d^2)+(-3d-2)]
undistribute
2d[(d^2)(3d+2)+(-1)(3d+2)]
undistribute the (3d+2) part
(2d)(d^2-1)(3d+2)
factor that difference of  2 perfect squares
(2d)(d-1)(d+1)(3d+2)






77.
group
(45z^3+20z^2)+(9z+4)
factor
(5z^2)(9z+4)+(1)(9z+4)
undistribuet (9z+4)
(5z^2+1)(9z+4)
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What is the taxi distance from point C(2,4) to point D(1,7)
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I cant see my forehead
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