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Evgen [1.6K]
3 years ago
13

Rearrange y= 2(x-a)/x to make x the subject

Mathematics
2 answers:
Alla [95]3 years ago
4 0

Answer:

x = -2a/(y - 2).

Step-by-step explanation:

y= 2(x-a)/x

Cross multiply:

xy = 2(x - a)

xy = 2x - 2a

xy - 2x = -2a

x(y - 2) = -2a

x = -2a/(y - 2).

Sidana [21]3 years ago
3 0

Answer:

y = 2(x-a)/x

xy = 2x-2a

xy-2x = -2a

x(y-2) = -2a

x = (-2a)/(y-2)

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(−m <br> 2<br> +6)+(−4m <br> 2<br> +7m+2)
dmitriy555 [2]

Following are calculation to the given eqution:

Given:

\bold{(-m^2+6)+(-4m^2+7m+2)}

To find:

Solve the equation.

Solution:

\to \bold{(-m^2+6)+(-4m^2+7m+2)}\\\\\to \bold{-m^2+6-4m^2+7m+2}\\\\\to \bold{-5m^2+7m+8}\\\\\to \bold{-1(5m^2-7m-8)}\\\\

Therefore, the final solution is "-1(5 m^2-7m-8)".

Learn more:

brainly.com/question/12685776

7 0
2 years ago
Help please thank you
valentinak56 [21]

Answer:

Step-by-step explanation: letter B is the right answer

5 0
3 years ago
Read 2 more answers
Write an inequality that expresses the reason the lengths 5 feet, 10 feet, and 20 feet could not be used to make a triangle. Exp
Anit [1.1K]
The 2 smallest lengths in a triangle have to add up to be greater that the longest side of the triangle. In this case, the longest side is 20. The 2 smallest sides are 5 and 10. 5+10=15, but 15<20. This is why these 3 lengths can’t create a triangle.
6 0
3 years ago
23 and 24 I need help please
Gnoma [55]

Answer:

They should purchase the snack with the purple box. This is the answer for 23, i don't know what 24 is sorry.

Step-by-step explanation:

24÷3=8

8×5=40

so the first snacks would cost them $40.

then:

24÷4=6

6×6=36

so the second snacks would cost them $36

5 0
3 years ago
Enter your answer and show all the steps that you use to solve this problem.
slamgirl [31]

Answer:

h = -t+20

After 8 hours the candle will be 12 inches

Step-by-step explanation:

We have 2 points (time, inches)

 (3,17)  and (5,15)

We can find the slope

m = (y2-y1)/(x2-x1)

   = (15-17)/(5-3)

   = -2/2

   = -1

We can use point slope form

y-y1 = m(x-x1)

Replace y with h and x with t

h-17 = -1 (t-3)

Distribute

h-17 = -t+3

Add 17 to each side

h-17+17 = -t+3+17

h = -t+20

3 0
3 years ago
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