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Anna [14]
3 years ago
10

Help me out pleaseeeeee

Mathematics
2 answers:
elixir [45]3 years ago
8 0
Is it the first one?
marin [14]3 years ago
7 0

Answer:

A

Step-by-step explanation:

LCM of 5 and 3 is 15

thus, denominator is 15

2/5 = 2x3/5x3 = 6/15

1/3 = 1x5/3x5 = 5/15

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Step-by-step explanation:

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A go kart top speed is 607,200 feet per hour. What is the speed in miles per hour
PolarNik [594]

One mile equals 5280 feet so

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3 years ago
What is the sum? StartFraction 3 Over x squared minus 9 EndFraction + StartFraction 5 Over x + 3 EndFraction
Karolina [17]

Answer:

The answer is:

\frac{5 x - 12}{(x + 3)(x - 3)}

Step-by-step explanation:

\frac{3}{x ^{2}  - 9}  +  \frac{5}{x + 3}

First, we have to make the denorminator same by multiplying:

\frac{3}{(x + 3)(x - 3)}  +  \frac{5}{x + 3}

\frac{3}{(x + 3)(x - 3)}  +  \frac{5(x - 3)}{(x + 3)(x - 3)}

Then, we can add up everything together:

\frac{3 + 5x - 15}{(x + 3(x - 3)}

\frac{5x - 12}{(x + 3)(x - 3)}

(Sorry if being messy)

8 0
3 years ago
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Which is the range of the function f(x) =(9)x?
Annette [7]

f(x) =(9)x = 9x

It's linear function. Domain and range are all real numbers

Answer

Range is all real numbers

5 0
3 years ago
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