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Crazy boy [7]
3 years ago
11

How to find where the tangent line is horizontal?

Mathematics
1 answer:
NISA [10]3 years ago
3 0
  hello : 
<span>the tangent line is horizontal when the slope = zero.....(f'(x) =0)</span>
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prisoha [69]

Answer:

90

Step-by-step explanation:

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3 years ago
Clare is in charge of getting snacks for a road trip with her friends and her dog. She has
Eduardwww [97]

Answer:

$15 and 50 cents

Step-by-step explanation:

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6 0
3 years ago
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I WILL AWARD BRAINLIEST!! PLEASE HELP!!
Anastasy [175]

Answer:

m∠EBC=65° 15' and AC=20in

Step-by-step explanation:

Given:

AB≅BC

AE=10in\\m\angle FEC=90\\m\angle ABC=130\°30'

From the given Data, we can conclude the following:

1. Since two sides of the triangle ABC are congruent, therefore its an isosceles triangle.

2. m\angle FEC=90°. This shows that the line BE is perpendicular to AC. By property of isosceles triangle, the line which passes from the vertex of the largest angle of triangle and cuts the opposite side(base) perpendicularly is the perpendicular bisector of the side and angle bisector of the angle.

∴  m\angle EBA\ ≅m\angle EBC    [ Definition of Angle bisector]

m\angle ABC=130\°30'

m\angle EBC=\frac{m\angle ABC}{2}=\frac{130\°30'}{2}=65\°15'

m\angle EBC=65\°15'

∴AE=EC       [ Definition of perpendicular bisector]

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AC=AE+EC

AC=10+10=20in

AC=20in

7 0
3 years ago
C=4.62 a =2.2 what is c
DaniilM [7]

Answer: if your question was C-A then it would be 2.42

Step-by-step explanation:

4.62-2.2

7 0
3 years ago
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Scilla [17]
I think 8. Plug in -4 for x. 1/2-4^2
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3 0
3 years ago
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