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monitta
3 years ago
6

What would n be? please help

Mathematics
1 answer:
liraira [26]3 years ago
6 0

Answer:

n = 21 degrees

Step-by-step explanation:

the second triangle is isosceles, so the angles of the base are congruent

a triangle have the sum of the interior angles equals to 180

n + n + 138 = 180

2n = 42

n = 21

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4 1/3 there you go hope I helped
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What is the equation of this line in slope-intercept form?
kykrilka [37]

Answer:

y = -3x - 1

Step-by-step explanation:

-1 is the slope intercept, as you can see where the line goes through the y-axis.

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7 0
3 years ago
Son proporciones.<br> cual es el resultado de :x/2,5=y/5 si x+y=6
omeli [17]

Respuesta: x/2,5=y/5=4/5=0,8


x/2,5=y/5

Multiplicando ambos lados de la ecuación por 5:

5(x/2,5)=5(y/5)→2x=y→y=2x

Sustituyendo y por 2x en la ecuación x+y=6:

x+2x=6

Resolviendo para x: Sumando términos semejantes:

3x=6

Dividiendo ambos lados de la ecuación entre 3:

3x/3=6/3

x=2

Sustituyendo x por 2 en la formula y=2x

y=2(2)→y=4

Determinando la proporción:

x/2,5. Sustituyendo x por 2:

2/2,5

Multiplicando numerador y denominador por 2:

2*2/(2,5*2)=4/5

La proporción es 4/5=0,8

Si lo hacemos con y:

y/5

Reemplazando y por 4:

4/5=0,8 (la misma proporción)


7 0
3 years ago
Find the measure of angle x 125
Tema [17]

Answer:

x = 125 degrees

Step-by-step explanation:

The vertical angles theorem states that two angles opposite to each other that are formed from 2 intersecting lines are congruent.

Therefore, angle x and the angle that is 125 degrees are congruent to each other.

So, x=125 degrees.

Hope this helps! :)

8 0
3 years ago
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