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AfilCa [17]
2 years ago
10

Evaluate each of the following x=5 (5x-3)/2 (10-6)/5

Mathematics
1 answer:
Talja [164]2 years ago
7 0

Answer:

11

4/5

Step-by-step explanation:

there u go thats quick maths

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Find the value of x which satisfies the following equation.<br> log2(x−1)+log2(x+5)=4
weqwewe [10]

\quad \huge \quad \quad \boxed{ \tt \:Answer }

\qquad \tt \rightarrow \: x = 3

____________________________________

\large \tt Solution  \: :

\qquad \tt \rightarrow \:  log_{2}(x - 1)  log_{2}(x + 5)  = 4

\qquad \tt \rightarrow \:  log_{2} \{(x - 1)(x + 5) \} = 4

[ log (x) + log (y) = log (xy) ]

\qquad \tt \rightarrow \: ( x - 1)(x + 5) =  {2}^{4}

\qquad \tt \rightarrow \:  {x}^{2}  + 5x - x - 5 =  16

\qquad \tt \rightarrow \:  {x}^{2}  + 4x - 5 - 16 = 0

\qquad \tt \rightarrow \:  {x}^{2}  + 4x -21 = 0

\qquad \tt \rightarrow \:  {x}^{2}  + 7x - 3x - 21 = 0

\qquad \tt \rightarrow \:  x(x + 7) - 3(x + 7) = 0

\qquad \tt \rightarrow \: (x + 7)(x - 3) = 0

\qquad \tt \rightarrow \: x =  - 7 \:  \: or \:  \: x = 3

The only possible value of x is 3, since we can't operate logarithm with a negative integer in it.

\qquad \tt \rightarrow \: x = 3

Answered by : ❝ AǫᴜᴀWɪᴢ ❞

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2 years ago
I need help please...
azamat

E' = (-9, -2)

F' = (-8, -2)

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melisa1 [442]

Answer:

40

Step-by-step explanation:

y = 4

z = 2

8y + 12 - 2z

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32 + 12 - 4

44 - 4

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There are 17 students in the art club. Each student purchases 6 paintbrushes at $3 per brush. How much did the art club members
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Evaluate 4p+q/p when p= -2 and q= -3 <br><br>a) -11/2<br> b) 9/2 <br>c) -9/2<br> d) 11/2​
Korolek [52]

Answer:

-11/2

Step-by-step explanation:

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