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natulia [17]
3 years ago
14

What is 2+67689498674967654

Mathematics
1 answer:
Ray Of Light [21]3 years ago
6 0

Answer:

Step-by-step explanation:

6768949867496765<u>6</u>

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Which of the following correctly describes the variation in the equation r=d/t?
maw [93]
Answer number 3 is correct.
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3 years ago
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Brittany and Ashley can paint a room in 7 hours if they work together. If Ashley were to work by himself, it would take him 2 ho
stich3 [128]

Answer:

Step-by-step explanation:

Brittany paints the room in x hours, completing 1/x of the room per hour.

Ashley paints the room in x+2 hours, completing 1/(x+2) of the room per hour.

Working together, they complete 1/x + 1/(x+2) = ⅐ of the room per hour.

7(x+2) + 7x = x(x+2)

14x + 15 = x^2 + 2x

x^2 - 12x - 15 = 0

x = [12 ±√(12²+60)]/2= 6±√51

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3 years ago
Elliot has a total of 26 books. He has 12 more fiction books than nonfiction books. Let x represent the number of fiction books
inysia [295]

Luckily for us, this problem solved the bulk of its own question!


Now, all we have to do is solve for "x", or the amount of fiction books and plug its value back into the original equation to find the value of "y", or the amount of nonfiction books.


2x = 38

x = 19

There are 19 fiction books.

x + y = 26

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Hope this helps!

7 0
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The expressions a(8x+7) and 4x+3.5 are equivalent. What is the value of a?
valentina_108 [34]

Answer:

a=1/2

Step-by-step explanation:

From the question, the expression a(8x+7) is equivalent to 4x+3.5

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So, we can write the following to find the value of a

a(8x+7)\equiv 4x+3.5

we can write the following

8ax=4x

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Hence the value of a is 1/2

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kirill115 [55]

Answer:

1 2/3 naranjas que va a tener cada persona.

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3 years ago
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