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Step2247 [10]
3 years ago
13

What's the answer to 7x-x

Mathematics
1 answer:
IgorLugansk [536]3 years ago
8 0

Answer:

6x

Step-by-step explanation:

7x - x

X by itself is the same thing as 1x.

So, if we rewrite the equation using 1x instead of just x:

7x - 1x

Now, we can subtract like we normally would.

7x - 1x = 6x

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Step-by-step explanation:

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3 years ago
Sid intended to type a seven-digit number, but the two 3's he meant to type did not appear. What appeared instead was the five-d
Karo-lina-s [1.5K]

Answer: D. 21ways.

Step-by-step explanation:

This is based on selection, fixing two '3' numbers into 5numbers to make it 7 numbers can be done in 7C2 ways.

Generally, nCr = n!/(n-r)!r!

7C2 = 7!/(7-2)!2!

=7!/5!2!

=7×6×5!/5!×2!

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=21ways (D)

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3 years ago
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3 years ago
What is 45 to 180 in simplest form
AleksandrR [38]
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3 years ago
Please answer the following​
nataly862011 [7]
<h2>Question :</h2>

<h3>Solve the proportion : </h3>

\sf \dfrac{24}{2}  =  \dfrac{t}{7}

<h2>Answer :</h2>

\sf  \dashrightarrow \:\dfrac{24}{2}  =  \dfrac{t}{7}

\sf  \dashrightarrow \: \cancel{\dfrac{24}{2}}  =  \dfrac{t}{7}

\sf  \dashrightarrow \:12  =  \dfrac{t}{7}

\sf  \dashrightarrow \:12 \times 7 =  t

\sf  \dashrightarrow \:84 =  t

\sf  \dashrightarrow \:t =  84

Hence, The solution is \large  \underline{\boxed{\sf  t = 84}}

8 0
3 years ago
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