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Eddi Din [679]
2 years ago
7

2(4y - 5) < - 2 please help

Mathematics
2 answers:
xxTIMURxx [149]2 years ago
8 0
Y < 1 it won’t let me show work
34kurt2 years ago
5 0

Answer:

y  <  1

Step-by-step explanation:

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The measures of the obtuse angles in the isosceles trapezoid are five more than four times the measures of the acute angles. Wri
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Answer:

a. i. x + y = 180  (1) and  x - 4y = 5   (2)

ii. The two acute angles are 35° each and the two obtuse angles are 145° each.

Step-by-step explanation:

a. The measures of the obtuse angles in the isosceles trapezoid are five more than four times the measures of the acute angles. Write and solve a system of equations to find the measures of all the angles.

i. Write a system of equations to find the measures of all the angles.

Let x be the obtuse angles and y be the acute angles.

Since we have two obtuse angles at the top of the isosceles trapezoid and two acute angles at the bottom of the isosceles trapezoid, and also, since the sum of angles in a quadrilateral is 360, we have

2x + 2y = 360

x + y = 180  (1)

Its is also given that the measures of the obtuse angles in the isosceles trapezoid are five more than four times the measures of the acute angles.

So, x = 4y + 5   (2)

x - 4y = 5   (2)

So, our system of equations are

x + y = 180  (1) and  x - 4y = 5   (2)

ii. Solve a system of equations to find the measures of all the angles.

Since

x + y = 180  (1) and  x - 4y = 5   (2)

Subtracting (2) from (1), we have

x + y = 180  (1)

-

x - 4y = 5   (2)

5y = 175

dividing both sides by 5, we have

y = 175/5

y = 35°

From (1), x = 180° - y = 180° - 35° = 145°

So, the two acute angles are 35° each and the two obtuse angles are 145° each.

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Necesitamos saber la respuesta a la ecuación, porque así es como funcionan las funciones.

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Answer:

Answer Below

Step-by-step explanation:

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You can also search "how to find the volume of a triangular prism" and there will be a base calculator so u can figure out this problem!

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 which pairs of angles in the figure below are vertical angles check all that apply
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Options A, B and D

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∠RTP and ∠ATB are vertical angles.

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