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Anika [276]
3 years ago
10

3. Five less than twice a number is 7.

Mathematics
2 answers:
Ainat [17]3 years ago
8 0

Answer: 2a -5 = 7    and a = 6

Step-by-step explanation:

If 5 is less than twice a, the the expression will be  2a -5, since 2 a is the same as 2 times a, and 5 less than 2a is the same as subtracting 5 from 2a. "is" is the same as equal to, so the whole expression has to equal 7.

2a - 5 = 7   You can solve for a by adding 5 to both sides.

   +5    +5

2a = 12         Now divide both sides by 2.

a =  6.

Vera_Pavlovna [14]3 years ago
7 0

Answer:

2x-5=7 As an expression

x=6

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<h3>What is the perpendicular bisector theorem?</h3>

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4 0
2 years ago
There are 38 chocolates in a box, all identically shaped. There are 8 filled with nuts, 16 with caramel, and 14 are solid chocol
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Answer:

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3 years ago
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Arada [10]

Answer:

A

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4 years ago
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Answer:

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Step-by-step explanation:

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\Leftrightarrow  T_9=\frac{2}{2187}

Therefore 9th term of the geometric sequence is \frac{2}{2187}

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