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Dovator [93]
3 years ago
7

HELPPP pwease ¤-¤ im almost done

Mathematics
1 answer:
musickatia [10]3 years ago
4 0

Answer:

f^-1 (x) = 2X + 8

Step-by-step explanation:

Let's make f(x) = y

Y = X/2 - 4

So to find the inverse, switch the y with the x like so:

X = Y/2 - 4 (isolate the Y value)

X + 4 = Y/2 (multiply both sides by 2)

2(X + 4) = Y

Y = 2X + 8

So f^-1 (x) = 2X + 8

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Which of these triangle pairs can be mapped to each other using two reflections?
UkoKoshka [18]

Answer: The correct option is figure (1).

Explanation:

Reason for correct option:

The figure (1) shows the reflection across the side XY followed by reflection across the side YT.

When we reflect the triangle XYZ across the side XY we get the triangle XYT as shown in below figure.

After that we reflect the triangle XYT across the side YT and we get the triangle PYT.

Therefore, only figure 1 shows the triangle pairs can be mapped to each other using two reflections.

Reason for incorrect options:

The figure (2) shows the rotation of 180 degree along the point y.

The figure (3) shows the reflection across the side XY followed by the translation.

The figure (4) shows the reflection, followed by rotation , followed by translation.

8 0
3 years ago
Read 2 more answers
1. La suma de dos números es 115. El número mayor es dos veces más 22 unidades que el otro. Hallar
Lerok [7]

De acuerdo con un sistema de ecuaciones, tiene-se que los números son 31 y 84.

----------------

  • En el sistema de ecuaciones, tiene-se que los números son x e y.
  • Suma de 115, o sea, x + y = 115
  • <u>El número mayor es dos veces más 22 unidades que el otro</u>, o sea, x = 2y + 22

----------------

Primero se encuenta el número menor, <u>reemplazando la segunda ecuación en la primera:</u>

x + y = 115

2y + 22 + y = 115

3y = 93

y = \frac{93}{3}

y = 31

----------------

El número mayor es dado en <u>función de el menor</u>, o sea:

x = 2y + 22 = 2(31) + 22 = 62 + 22 = 84

Los números son 31 y 84.

Otro problema resuelto por sistema de ecuaciones es dado en brainly.com/question/24637096

6 0
3 years ago
Force equals mass times acceleration. If m represents mass and a represents acceleration, Which function f represents Force?
soldier1979 [14.2K]
The answer is F=ma
In this type of equation, By followng, the rules that learned through aljabar ,
ab = ab
-ab = -ab
putting two letter representations will equal to multiplying it.Beside this,  Putting a dot between each the two-letter representations will also indicate multiplication.

5 0
3 years ago
Five friends ate at a buffet restaurant. The cost of each buffet was $x. Three of the friends also bought a beverage for two dol
____ [38]
5x + 6

5x = number of buffets purchased.

6 = 3 * 2 (three friends bought 3 $2 drinks)
4 0
3 years ago
The function g(x) is a transformation of the quadratic parent function, fx):
77julia77 [94]

Answer: D

Step-by-step explanation:

The graph is narrower, so the coefficient of x^2 has an absolute value more than 1.

  • Eliminate B and C.

Also, because g(x) opens down, the coefficient of x^2 is negative.

  • Eliminate A.

This leaves D as the answer.

6 0
2 years ago
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