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storchak [24]
2 years ago
12

Find the value of z and y

Mathematics
2 answers:
Triss [41]2 years ago
8 0

Answer:

z = 50 .  y = 20

Step-by-step explanation:

y = 20 (due to vertically opposite angles)

20 + 5(20) + 10 + z = 180 (basically a straight line)

20 + 10 + 100 = 130

180 - 130 = 50

z = 50

Extra: If you need x,

90 + 20 = 110

180 - 110 = 70

x = 70

RideAnS [48]2 years ago
4 0

Answer: y=20, z=50

Step-by-step explanation: So first y is equal to 20 because of vertical angles.

and if we know y is 20 then we do the equation

20+z+5(20)+10=z+130

and since we know line segment DA is a straight angle it is 180 degrees.

180-130 will be 50 so you got 50 degrees for z

I just started brainly and I want to help more people with their questions please just give a thanks or a rating to keep me going and help more people.

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Please help!!!
AleksAgata [21]

Answer:

80

Step-by-step explanation:

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7 0
3 years ago
Halle la ecuación del eje x y la ecuación del eje y, usando dos puntos que se encuentren sobre los mismos.
lisov135 [29]

Una linea recta ( cualquier eje coordenado es una línea recta) queda definida si se conocen dos puntos que están sobre ella.

Solución:

Ecuación del eje x      y = 0

Ecuación del eje y      x = 0

Para darle respuesta a la pregunta podemos seguir el siguiente procedimiento:

  • Escogemos dos puntos arbitrarios sobre el eje x, por ejemplo

P ( 2 ; 0 )  y Q ( 5 ; 0 )         ( todos los puntos sobre el eje x tienen coordenada y = 0.

Según la cual  m = (y₂ - y₁)/ ( x₂ - x₁ )    m = 0

  • Usamos la ecuación pendiente-Intercepto

y = m×x + b         donde m es la pendiente y b el intercepto con el eje y

y entonces tenemos:

  • m = 0    b ( 0 ; 0 )
  • Por sustitución en la ecuación pendiente-intercepto

y = 0

Procediendo de forma similar obtendremos la ecuación del eje y

P´( 0 ; 4 )     Q´( 0 : 8 ) entonces

y = m×x + b

En este caso, la pendiente no es definida ( tang 90° ) y b es de nuevo el punto b ( 0 ; 0).

A partir de  que todos y cada uno de los puntos sobre el eje y son  de valor 0 para x, concluímos que  ecuación del eje y es

x = 0

Enlaces de interés:brainly.com/question/21135669?

8 0
1 year ago
Find the perimeter and area of the figure. Round to the nearest tenth if necessary. 33.7 mm; 108 mm2 33.7 mm; 54 mm2 30.7 mm; 50
Deffense [45]

Answer:

Perimeter: 33.7 mm

Area: 54 mm

Step-by-step explanation:

If you do 12 + 9.7 + 12 you will get the perimeter, and to get the area you would use the formula A = \frac{1}{2} x base x height. Since the base is 12 and the height is 9, you would do 12 x 9 x 0.5 to get 54 mm for the area of the triangle.

8 0
2 years ago
Two fair number cubes ate rolled. their sum is greater than 10 and one of the number is 6 which of the following best describes
Inga [223]
The answer is B not mutually exclusive
7 0
3 years ago
Please Help!! Will Mark Brainliest!!!
Gennadij [26K]

Answer:

a. This data best fits an exponential model.

b. The regression equation would be:  y = 8385(1.12)^x

c. The y-intercept would be the starting value of the account.

d. Yes, the correlation coefficient is 0.9983.

e. If you input 6 into the equation, you will get a value of $16,550.

Step-by-step explanation:

I hope this helps, and I would appreciate the brainiest asap.

8 0
2 years ago
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