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Sloan [31]
3 years ago
13

5a - 9 + a = 9

Mathematics
1 answer:
wolverine [178]3 years ago
8 0

Answer:

Step-by-step explanation:

5a - 9 + a = 9

6a - 9 = 9

6a = 9 + 9

6a = 18

a = 18/6

a = 3 <=====

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Find the distance between each pair of points E(-1, 0),F(12, 0)
Olegator [25]

Answer:

The answer is

<h2>13 \:  \: units</h2>

Step-by-step explanation:

The distance between two points can be found by using the formula

<h3>d =  \sqrt{ ({x1 - x2})^{2}  +  ({y1 - y2})^{2} }  \\ </h3>

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

E(-1, 0) and F(12, 0)

The distance between them is

<h3>|EF|  =  \sqrt{ ({ - 1 - 12})^{2}  +  ({0 - 0})^{2} }  \\  =  \sqrt{ ({ - 13})^{2} }  \\  =  \sqrt{169}</h3>

We have the final answer as

<h3>|EF| = 13 \:  \: units</h3>

Hope this helps you

5 0
3 years ago
1000 jumps in 3 hours. How many jumps are there per hour?
DiKsa [7]
Just multiply 1000 jumps by 3 to get your answer.
6 0
3 years ago
Read 2 more answers
Solve for the variable: x + 9 &gt; -4
Marina CMI [18]
Hi \\  \\ x+9\ \textgreater \ -4 \\  \\ x\ \textgreater \ -4-9 \\  \\ \boxed{x\ \textgreater \ -13} \\  \\ S=\{x\in~\mathbb{R} |x\ \textgreater \ -13\} \\  \\  \\
3 0
3 years ago
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What is the sum of the first 9 terms of 7+21+63+...
attashe74 [19]

Answer:

Step-by-step explanation:

7

21

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7 0
3 years ago
Can somebody tell me the answer to these question please
strojnjashka [21]

Answer:

Step-by-step explanation:

2) Take the number you see (7). How many 7s are there? There are three.

7 x 3

3) What number do you see? 3. How many 3s? Five 3s.

3 x 5

Now you try

4 0
2 years ago
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