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Stella [2.4K]
3 years ago
13

Solve 2+1^6y=3x+4 for y.

Mathematics
1 answer:
kow [346]3 years ago
8 0
Here you go this is all you are doing

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Owen was 34 1/2 inches tall on his second birthday he grew an average of 2 1 / 2 inches each year for the next 10 years then he
liq [111]
Do 34 1/2 plus 2 1/2 times 10then do 11/2 into the mixed number 1 1/2 times 6 
6 0
3 years ago
Solve the following equation. Remember to check for extraneous solutions 1/(x-6) + (x/(x-2)) = (4/(x²-8x+12)).
xxMikexx [17]

Answer:

-1, 2, 6

Step-by-step explanation:

We have to solve the equation as follows: 1/(x-6) + (x/(x-2)) = (4/(x²-8x+12)).

Now, we have, \frac{1}{x-6} +\frac{x}{x-2} = \frac{4}{x^{2}-8x+12 }

⇒\frac{(x-2)+x(x-6)}{(x-2)(x-6)} = \frac{4}{x^{2}-8x+12 }

⇒\frac{x-2+x^{2}-6x }{(x-2)(x-6)} =\frac{4}{(x-2)(x-6)}

⇒\frac{(x-2)(x-6)}{x^{2}-5x-2 }=\frac{(x-2)(x-6)}{4}

⇒(x-2)(x-6)[\frac{1}{x^{2} -5x-2} -\frac{1}{4} ]=0

⇒ (x-2)(x-6) =0 or, [\frac{1}{x^{2} -5x-2} -\frac{1}{4} ]=0

If, (x-2)(x-6) =0, then x=2 or x=6

If, [\frac{1}{x^{2} -5x-2} -\frac{1}{4} ]=0, then x^{2} -5x-2=4

and (x-6)(x+1) =0

Therefore, x=6 or -1

So the solutions for x are -1, 2 6. (Answer)

4 0
3 years ago
A= 47 sq. in.<br><br> Find the value of x. If necessary, round to the nearest tenth.
motikmotik

Answer:

x = 9.7

Step-by-step explanation:

The area of a triangle is A = b * h / 2 where A, b, and h are the area, base and height respectively. We know that A, b, and h equal 47, x, and x respectively so we can write:

47 = x * x / 2

47 = x² / 2

94 = x²

x = ±√94

In context, x can't be negative so the answer is x = √94 = 9.7.

3 0
3 years ago
Read 2 more answers
How would you find the slope of the line containing the points P(4, 9) and R(57, 73)?
nydimaria [60]

Answer:

Slope is defined as the difference in the vertical axis divided by the difference in the horizontal axis, going left to right (s = dy/dx).  P has a lesser x co-ordinate, so it will be R - P in this case, giving us (ry - py) / (rx - px):

s = \frac{{\Delta}y}{{\Delta}x}

s = \frac{73 - 9}{57 - 4}

s = 64/53

3 0
2 years ago
What percent of 90 is 50
andre [41]
To re-phrase this: 50 is a certain percent of 90.

this can be written mathematically as 50=x%*90

let's divide both sides by 10:

5=x%*9

and divide both sides by 9:

\frac{5}{9} =x%

which in decimals is approximately 0.56 (but not exactly).

so 0.56=x%

and the x then 56

so 50 is approximately 56% of 90:

exactly 56%of 90 is 50.4
4 0
3 years ago
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