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marusya05 [52]
3 years ago
11

Nine more than the quotient of a number k and negative eleven

Mathematics
1 answer:
Bumek [7]3 years ago
3 0

(k/-11)+9

or (-1 / 11)k + 9

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A solution with a pH of 11 has a [H+] of:<br> 11<br> 1 x 10-3<br> 1 x 10-11<br> 1 x 1011<br> 1 x 103
serious [3.7K]

A solution with a pH of 11 has a [H+] of 1.0\times 10^{-11}

Option B is correct option.

Step-by-step explanation:

A solution with a pH of 11 has a [H+] of= ?

pH=?

Concentration of H+ [H+]= ?

Formula used: pH=-log[H+]

Putting values and finding [H+]

pH=-log[H+]\\\,[H+]\,=10^{-pH}\\\,[H+]\,=10^{-11}\\\,[H+]\,=1.0\times 10^{-11}

So, A solution with a pH of 11 has a [H+] of 1.0\times 10^{-11}

Option B is correct option.

4 0
3 years ago
Multiply<br><br> 3 sqrt (2) X 2 sqrt (8) X sqrt (3) X sqrt (6)
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That is 6 * sqrt(2*8*3*6)

=  6 sqrt 16 * sqrt 18

= 6 *4 * sqrt 9 * sqrt2

= 6*4*3 sqrt2

= 72 sqrt 2
7 0
3 years ago
Simplify this expression<br><br> 2 x x x 3 x y<br> (The 2nd ‘x’ is algebra)
prohojiy [21]

Answer:

the answer is. .6xy..........

7 0
2 years ago
Read 2 more answers
Find the coordinates of the midpoint of the segment with the given pair of endpoints. J(6, 6); K(2, –4)
Levart [38]

Answer:

(4,1)

Step-by-step explanation:

let J(6,6) be x1, y1

let K(2,-4) be x2, y2

midpoint = (x1+x2)/2 , (y1+y2)/2

=(6+2)/2 ,(6-4)/2

= 8/2 ,2/2

=4, 1

3 0
3 years ago
For each value of y , determine whether it is a solution to -21=6y-9 . A -5, B 3 , C -2, D 9
Nezavi [6.7K]

Option C

For each value of y, -2 is a solution of -21 = 6y - 9

<u>Solution:</u>

Given, equation is – 21 = 6y – 9  

We have to find that whether given set of options can satisfy the above equation or not

Now, let us check one by one option

<em><u>Option A) </u></em>

Given option is -5

Let us substitute -5 in given equation

- 21 = 6(-5) – 9

- 21 = -30 – 9  

- 21 = - 39  

L.H.S ≠ R.H.S ⇒ not a solution

<em><u>Option B)</u></em>

Given option is 3

- 21 = 6(3) – 9  

- 21 = 18 – 9  

- 21 = 9  

L.H.S ≠ R.H.S ⇒ not a solution

<em><u>Option C)</u></em>

Given option is -2

- 21 = 6(-2) – 9  

- 21 = - 12 – 9  

- 21 = - 21  

L.H.S = R.H.S ⇒ yes a solution

<em><u>Option D)</u></em>

- 21 = 6(9) – 9

- 21 = 54 – 9  

- 21 = 45  

L.H.S ≠ R.H.S ⇒ not a solution

Hence, the solution for the given equation is – 2, so option c is correct

6 0
3 years ago
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