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Amanda [17]
2 years ago
11

Use the distributive properly to remove the parentheses. -(4w-y-3)

Mathematics
1 answer:
Brrunno [24]2 years ago
7 0
-4w+y+3 is the correct answer
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Given: HF = HJ.FG = JK.<br> H is the midpoint of GK.<br> Prove: AFGH 2 AJKH<br> G<br> H<br> K
Svetlanka [38]

Answer:

Well, make brainlist okay

1) FH = JH ( GIVEN) Side

2) FG = JK (GIVEN) side

3) GH = HK ( MIDPOINT) side

AND BOOM

FGH = JKH ( from SSS, mention eq)

S mean side

5 0
3 years ago
Ayudemen porfavor . Determine 4 ala potencia x + 4 ala potencia -x, si se sabe que 2ala potencia x + 2 ala potencia -x =3
Afina-wow [57]

Answer:

Es igual a 7.

Step-by-step explanation:

Ok, sabemos que:

2^x + 2^{-x} = 3

Queremos calcular:

4^x + 4^{-x}

Tambien sabemos que 4 = 2*2

Entonces:

4^x + 4^{-x} = (2*2)^x + (2*2)^{-x}

y sabemos que 2*2 = 2^2

Entonces:

4^x + 4^{-x} = (2*2)^x + (2*2)^{-x} = (2^2)^x + (2^2)^{-x}

y ahora podemos usar la relación:

(a^n)^m = (a^m)^n = a^{m*n}

entonces:

(2^2)^x + (2^2)^{-x} = (2^x)^2 + (2^{-x})^2

Ahora podemos completar cuadrados sumando y restando el termino:

2*(2^x)*(2^{-x})

Asi tendremos:

(2^x)^2 + (2^{-x})^2 =  (2^x)^2 + (2^{-x})^2 + 2*(2^x)*(2^{-x}) - 2*(2^x)*(2^{-x}) = (2^x + 2^{-x})^2 -  2*(2^x)*(2^{-x})

Entonces de momento tenemos que:

4^x + 4^{-x} = (2^x + 2^{-x})^2 - 2*(2^x)*(2^{-x})

Sabemos que el termino que esta dentro del parentesis es igual a 3.

Y tambien podemos usar la propiedad:

a^n*a^m = a^{n + m}

en el termino de la derecha.

Asi tendremos:

(2^x + 2^{-x})^2 - 2*(2^x)*(2^{-x}) = (3)^2 - 2*2^{x + (-x)}  = 9 - 2 = 7

7 0
2 years ago
Find value of x 4(x+6)° (5x+11)°
Evgesh-ka [11]

Value of x = 13°

Hope it helps you...

5 0
2 years ago
Help! :(<br><br> It’s in the pic :3
Harlamova29_29 [7]

Answer:

\frac{3}{2}

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Sami ordered 132 dresses for her store . What is 132 rounded to the nearest ten?
Yuki888 [10]
130 because 2 is less than 5
3 0
2 years ago
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