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PilotLPTM [1.2K]
3 years ago
13

HELP! NEED EXPLANATION FOR UNDERSTANDING A STEP IN THIS EQUATION

Mathematics
1 answer:
sdas [7]3 years ago
4 0
They drop the parenthesis then they added the 2 equations in the numerator the divided the sum of two bye the denominator
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Evaluate the expression: 6x + 5 - 3y, when y = 3 and x = -2
frozen [14]
First you need to substitute x for -2 and y for 3 in the equation.
So it would be...
6(-2) + 5 - 3(3)
-12+5-9
Then your answer is -16.
Hope that helped!

7 0
3 years ago
Determina en cada caso, si la función corresponde a una función lineal o a una función afín. a. Y = -5x b. Y = -3x – 2 c. Y = 2x
Anuta_ua [19.1K]

Answer:

Sabemos que una función lineal es de la forma:

f(x) = m*x

Mientras que una funcion afin es de la forma:

g(x) = m*x + n

Entonces para reconocer si una función es lineal o afín, simplemente debemos ver si tenemos un término constante o no (un término constante es un término que no está siendo multiplicado por la variable x).

a) y = -5*x

No tenemos término constante, entonces es una función lineal.

b) y = -3*x - 2

Acá tenemos un término constante igual a -2, entonces esto es una función afín.

c) y = 2*x + 4

Acá tenemos un término constante igual a 4, entonces esto es una función afín.

d) y = (1/4)*x - 2

Acá tenemos un término constante igual a -2, entonces esto es una función afín.

6 0
3 years ago
Anyone wanna help me please
Art [367]

Answer:

the answer to this is x=16.1

8 0
3 years ago
Read 2 more answers
It rained 1/6 inch on Monday and 1/2 inch on Tuesday. How much more did it rain on Tuesday than on Monday?
ad-work [718]

Answer:

7/16

Step-by-step explanation:

Common denominator of 16

8/16-1/16=7/16

7 0
2 years ago
Read 2 more answers
What’s 3х + 7>4х +2
Kipish [7]

Answer:

x < 5

Step-by-step explanation:

3x + 7 > 4x + 2 \\ 7 - 2 > 4x - 3x \\ 5 > x

x < 5

6 0
3 years ago
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