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inessss [21]
3 years ago
13

The solution to 3x - 8 if x = 9.

Mathematics
1 answer:
earnstyle [38]3 years ago
3 0

Answer:

19

Step-by-step explanation:

First, you substitute 9 for x in the equation. Then you use PEMDAS (parentheses, exponents, multiplication, division, addition, and subtraction) to solve it. You multiply 3 by 9 to get 27. Then, you subtract 8 from 27 to get 19.

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Simplification of the expression (xyz2)4.
horrorfan [7]
(xyz²)⁴
(x)⁴(y)⁴(z²)⁴
x⁴y⁴z⁸
4 0
3 years ago
What is the mid point of 0 and 10?
natita [175]
5 is the correct answer hope I helped
7 0
3 years ago
Read 2 more answers
Can anyone figure this out for me please? It would be greatly appreciated.
Ira Lisetskai [31]
Check the picture below.

now, to get how much is the area of the tiled section, we simply get the area of the whole pool, 53x26, which includes the tiles, and then subtract the area without the tile, the rectangle in the middle, and what's leftover, is the area of the tiled area.

\bf 53-4\frac{1}{2}-4\frac{1}{2}\implies 53-9\implies \boxed{42}
\\\\\\
26-4\frac{1}{2}-4\frac{1}{2}\implies 26-9\implies \boxed{17}
\\\\\\
\textit{so the area of the rectangle in the middle is}\implies 42\cdot 17\implies 714
\\\\\\
\textit{and the area of the whole pool is}\implies 53\cdot 26\implies 1378

\bf \stackrel{\textit{area of the whole pool}}{1378}~~-~~\stackrel{\textit{area of the middle rectangle}}{714}\implies \stackrel{\textit{area of the tiles}}{664}\\\\
-------------------------------\\\\
\textit{we know that is }\$5\frac{1}{2}\textit{ for a foot of tile, then}\stackrel{\textit{price of the tiles}}{664\cdot 5\frac{1}{2}}\implies 3652

8 0
3 years ago
Help 9-11 thank you !
krok68 [10]

Answer:

9 - 11 = -2

Step-by-step explanation:

Because 9 is being subtracted by a number greater than itself, the answer has to be a negative and because:

9 + 2 = 11

9 - 11 = (-2)

Your Welcome :)

7 0
2 years ago
A teacher writes the name of each of her 25 students on a slip of paper and places the papers in a box. To call on a student, sh
Gre4nikov [31]

Answer:

0.56

Step-by-step explanation:

There are 14 girls, and a total of 25 students.  So the probability of selecting a girl is P = 14/25 = 0.56.

8 0
3 years ago
Read 2 more answers
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