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brilliants [131]
3 years ago
14

Find the value of ' m ' if (2/5)⁻⁵×(2/3)¹²=(2/3)³ˣ⁻² plsssssssssssssssss help me!!!!!!!!!!

Mathematics
1 answer:
sveta [45]3 years ago
6 0

Answer:

{( \frac{2}{3} )}^{ - 5}  \times  {( \frac{2}{3} )}^{ 12} =  {( \frac{2}{3} )}^{ 3x - 2}  \\  {( \frac{2}{3} )}^{ - 5 + 12}  =  {( \frac{2}{3} )}^{ 3x - 2}  \\  - 5 + 12 = 3x - 2 \\ 7 = 3x - 2 \\ 3x = 7 + 2 \\ 3x = 9 \\ x =  \frac{9}{3}  \\ x = 3

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Step-by-step explanation:

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8 0
3 years ago
The points (6, -3) and (7, -10) fall on a particular line. What is its equation in point-slope form? Use one of the specified po
kumpel [21]

Answer:

Step-by-step explanation:

Given the coordinate points (6, -3) and (7, -10), we are to find the equation of a line passing through this two points;

The standard equation of a line is y = mx+c

m is the slope

c is the intercept

Get the slope;

m = Δy/Δx = y2-y1/x2-x1

m = -10-(-3)/7-6

m = -10+3/1

m = -7

Get the intercept;

Substitute the point (6, -3) and m = -7 into the expression y = mx+c

-3 = -7(6)+c

-3 = -42 + c

c = -3 + 42

c = 39

Get the required equation by substituting m = -7 and c= 39 into the equation y = mx+c

y = -7x + 39

Hence the required equation is y = -7x + 39

6 0
3 years ago
Your class was asked to design a scooter for less than $30. What are some possible
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8 0
3 years ago
Read 2 more answers
-3x-y=9
Lina20 [59]

Answer:

D: no solution

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4 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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