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sesenic [268]
3 years ago
13

Twenty percent of the ice melted. If 680 grams remained, how many grams melted?

Mathematics
1 answer:
musickatia [10]3 years ago
5 0

Answer:

−33999/50

Step-by-step explanation:

2/100−680

=

1/50−680

=

−33999/50

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Hey, i need help on this. Thanks<br><br> (see image)
damaskus [11]

Answer:

11

Step-by-step explanation:

1/5 x^2y - 1 2/3 y^2 x + 4 4/5 yx^2 - 1/3 xy^2

I will write the x and y terms in order for x and y

1/5 x^2y - 1 2/3  xy^2 + 4 4/5 x^2y - 1/3 xy^2

This way I can put the like terms together

1/5 x^2y + 4 4/5 x^2y- 1 2/3  xy^2  - 1/3 xy^2

Combine like terms

(1/5 + 4 4/5) x^2y - (1 2/3 + 1/3)  xy^2

5 x^2 y - 2 xy^2

We know x  =-2 and y = 1/2

5 ( -2)^2 (1/2)  -2(-2) (1/2)^2

Calculating the powers first

5(4) (1/2)  - 2(-2) (1/4)

10 - (-1)

10+1

11


7 0
3 years ago
X-2y/12y^2-x+4y/12y^2 simplify
Anon25 [30]
(2x+2y)/(12y^2) would be the simplist

3 0
3 years ago
During a rainstorm 2inches of rain fell in 5hours at that rate how many hours will It take for 20 inches of rain to fall
Trava [24]

Answer:

You would get 8in of rain Hope this Helped

Step-by-step explanation:

8 0
3 years ago
What is the equation of a line with a y intercept of -3 and a slope of 5
Montano1993 [528]

Answer:

y = 5x -3

Step-by-step explanation:

y = mx + b

b is the y intercept, so you can replace b with -3

m is the slope so you can replace m with 5

and you get your answer y = 5x - 3

8 0
3 years ago
Sandra y Roberto, cada uno de ellos con una copia del libro, deciden que ellos pueden ganar tiempo "leyendo en equipo" la novela
yawa3891 [41]

Answer:

La última página que Sandra deberá leer es la página 380.

Step-by-step explanation:

Sandra y Roberto tienen un libro de 760 páginas y se lo dividen, la pregunta es ¿Cuál es la última página que debería leer Sandra de tal manera que ella y Roberto pasen la misma cantidad de tiempo leyendo la novela?

Para que ambos pasen la misma cantidad de tiempo leyendo la novela, tendrían que dividirse el libro a la mitad, por lo que cada uno debería leer 760 ÷ 2 = 380 páginas.

Por lo que Sandra deberá leer de la página 1 a la 380 y Roberto leerá de la 381 a la 760.

Por lo tanto, la última página que Sandra deberá leer es la página 380.

6 0
3 years ago
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