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never [62]
3 years ago
7

Please help me, I'm struggling

Mathematics
1 answer:
Jobisdone [24]3 years ago
5 0
Negation means canceling the if and the then. So it is if two angles are not supplementary then their angles do not add to 180 degrees. Your answer is a. 

Have a nice day. Brainliest would be fantastic
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Alguien me pude decir una adivinanza o historia q la solución sea una ecuación de segundo grado completa????
Hitman42 [59]

Answer:

Una ecuación de segundo grado completa es algo como:

y = a*x^2 + b*x + c

Un problema tipico que usa ecuaciones de este tipo es algo que nos haga multiplicar dos términos como h*(x + k) y n*(x + j)

Donde h, k, n, y j son números reales.

Entonces planteemos el siguiente caso.

"Juan tiene una tabla rectangular, de tal forma que su largo es (x + 3cm), y el ancho es igual a dos veces su largo, si sabemos que el área de esta tabla es 95 cm^2 ¿cuál es el valor de x?"

Acá hay que recordar que para un rectángulo de largo L y ancho W, el área es:

A = L*W

En este caso tendremos:

L = (x + 3cm)

Y el ancho es dos veces eso, entonces:

W = 2*(x + 3cm)

Entonces el area de esta tabla se escribirá como:

A = (x + 3cm)*2*(x + 3cm)

Ahora solo tenemos que expandir eso:

A = 2*x^2 + 12cm*x + 18cm^2

Ahora sabemos que el area de esta tabla es 95cm^2

Entonces:

95cm^2 =  2*x^2 + 12cm*x + 18cm^2

0 = 2*x^2 + 12cm*x + (18cm^2 - 95cm^2)

0 = 2*x^2 + 12cm*x - 77 cm^2

Esta es una ecuación de segundo grado completa, la cual deberiamos resolver para encontrar el valor de x como se nos pide en el problema.

4 0
3 years ago
If sintheta=44/ 125, find cosθ and tanθ.
motikmotik
Here you go!! Hope this helps

3 0
3 years ago
(a) Suppose a car is traveling north on “a” street and turns left onto Main Street. Which angle is this (angle number from pictu
Westkost [7]

Answer:

Traffic traveling north on Main Street must make a 125° turn onto the new road. This is the angle between where the traffic was originally headed and where it is headed after it makes the turn. Traffic on 2nd Street is traveling south, the opposite direction.

3 0
3 years ago
For which equation is g=5 not the solution?
inn [45]

Answer:

Step-by-step explanation:

Yes... G=5 okay....

where is equation list??

8 0
3 years ago
8. What is the solution to the equation 3x + 5(4x-6)-8= 3x - 14? a. x = 1 b. r = 1.7 d. There are no solutions to this equation.
Verdich [7]

3x+5(4x-6)-8=3x-14

Step-by-step explanation:

Cancel out the terms on both sides of the equation. (3x)

5(4x-6)-8=-14

Distribute 5 through the parentheses.

20x-30-8=-14

Calculate the difference.

20x-38=-14

Move the constant to the right-hand side and change its sign.

20x=-14+28

Calculate the sum.

20x=24

Divide both sides of the equation by 20.

x=6/5, 1.2, or 1 1/5

Answer:

x=6/5, 1.2, or 1 1/5

Hope this helps! :)

6 0
3 years ago
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