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Rama09 [41]
3 years ago
12

Emilio throws a marshmallow into the air from his balcony. The height of the marshmallow (in feet) is represented by the equatio

n h= −16t^2 + 8t + 48, where t is the time (in seconds) after he throws the marshmallow.
How long does it take the marshmallow to hit the ground, where h=0?


0.5 minutes

3 seconds

1.5 minutes

1.5 seconds

*2 seconds* answer

2 minutes

0.5 seconds

3 minutes

Sorry I don't need help
Mathematics
1 answer:
Murrr4er [49]3 years ago
8 0

Answer:

b trust me

Step-by-step explanation:

trust

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The children’s museum has a large fish tank with the dimensions shown. The tank does NOT have a cover. What is the surface area
san4es73 [151]

Answer:

The answer is 230 square feet.

Step-by-step explanation:

Find the area of the bases, and  the total of it is 280. I then subtracted 50 because the "covers" area is 50. That gives you the surface area without the cover

7 0
3 years ago
Read 2 more answers
Un alumno multiplica un número por 32 en lugar de multiplicarlo por 23, obteniendo un producto mayor en 54 al producto original.
romanna [79]

Answer:

La suma de cifras del producto original es igual a 12.

Step-by-step explanation:

De acuerdo a la información proporcionada, si multiplicas un número "x" por 32 su resultado sería igual al producto original "y" más 54 dado que dice que se obtiene un producto mayor en 54 al producto original, lo que se puede expresar de la siguiente forma:

32x=y+54

Además, se puede inferir a partir del enunciado que si el número x se hubiera multiplicado por 23 el resultado habría sido el producto original que lo denominamos como "y", por lo que puedes decir que:

y=23x

Ahora puedes reemplazar y=23x en 32x=y+54 y despejar x:

32x=23x+54

32x-23x=54

9x=54

x=54/9

x=6

Finalmente, puedes reemplazar el valor de x en y=23x:

y=23x

y=23*6

y=138

Suma de cifras: 1+3+8 = 12

De acuerdo a esto, la respuesta es que la suma de cifras es igual a 12.

5 0
3 years ago
Eric has been donating books he no longer needs to his local library. After 3 months of donating, he had 157 books left in his r
postnew [5]
To find the average number of books donated per month, we first get the total number of books that Eric has donated within the span of (8 - 3) = 5 months. Since from 157 books, there were only 102 books left after 5 months, that means he has donated (157 - 102) = 55 books. That means that he has donated 55 books within the span of 5 monhs. Thus, the average number of books would be equal to (number of books) / (number of months) = 55 / 5 = 11 books per month. <span>Answer: 11 books</span>
6 0
4 years ago
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What's 2/3 times 3/11 in simplest form
myrzilka [38]
The answer is 2/11 in simplest form
3 0
3 years ago
Need help with #1 and #2 on this page. Thanks!
iogann1982 [59]

Find the probability of obtaining 3 heads when flipping 4 coins

7 0
4 years ago
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