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AlladinOne [14]
3 years ago
5

Which of the following describes a correct method for finding the sum -7/2+3/4

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
8 0
Answer : (<span>C) Rewrite Using the LCD. Write the sum of the numerators over the common denominator. Simplify


</span>Rewrite Using the LCD
<span>-7/2+3/4 = -14/4 + 3/4

</span>Write the sum of the numerators over the common denominator:
-14/4 + 3/4 = 11/4

Simplify
11/4 = 2 3/4

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the graph of F(x), shown below, has the same shape as the graph of G(x)=x^4. but it is shifted 3 units to the right. which is it
Naddik [55]

Answer:

<h2>C. F(x) = (x - 3)⁴</h2>

Step-by-step explanation:

f(x) + n - shift the graph of f(x) n units up

f(x) - n - shift the graph of f(x) n units down

f(x - n) - shift the graph of f(x) n units to the right

f(x + n) - shift the graph of f(x) n units to the left

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If hot and cold water taps are turned on altogether, a bath is filled in three minutes but if the cold tap was only half opened
Anvisha [2.4K]

9514 1404 393

Answer:

  12 minutes

Step-by-step explanation:

Let c and h represent the filling times for the cold and hot taps, respectively. When the cold tap is 1/2 open, we presume that means the filling time becomes 2c.

In terms of baths per minute, the relationships are ...

  1/c + 1/h = 1/3

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Subtracting the first equation from twice the second, we get ...

  2(1/(2c) +1/h) -(1/c +1/h) = 2(1/4.8) -(1/3)

  1/h = 2/4.8 -1/3 = 1/12

  h = 12

It takes the hot tap 12 minutes to fill the tub alone.

3 0
3 years ago
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