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cestrela7 [59]
3 years ago
11

Evaluate y/2x-z x=4y=3and z=2

Mathematics
1 answer:
Gwar [14]3 years ago
5 0
First you plug in the missing values
y=3 x=4 z=2
3÷2×4-2
than you solve
the answer is 4
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9 - x2 + 2xy - y2 <br> Factorise
LenaWriter [7]

9-x.2+2xy-y.2

9-2x+2xy-2y

-2x+2xy-2y+9

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2 years ago
A company sells bottles of vitamin capsules. The graph and table show the linear relationship between the cost per capsule in ce
Step2247 [10]

Answer: -5

Step-by-step explanation:

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3 years ago
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What is the value of y in the equation 5x + 2y = 20, when x = 0.3?
Dimas [21]
Y=9.25 (short answer but hope this helped u)
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3 years ago
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Y^2 - 12y + 27 / y^2 - 6y - 27 <br> simply the rational equation.
Ulleksa [173]

The simplified rational expression is (y - 3)/(y + 3). Where y ≠ -3.

<h3>How to simplify a rational expression?</h3>

A rational expression is in the p/q form. Where p and q are polynomial functions.

To simplify this rational equation,

  • Factorize the polynomials in both numerator and denomiantor.
  • Cancel out common factors if any.
  • If the denominator and the numerator have no common factors except 1, then that is said to be the simplest form of the given rational expression.

<h3>Calculation:</h3>

The given rational equation is

\frac{y^2 - 12y + 27 }{y^2 - 6y - 27}

Factorizing the expression in the numerator:

y² - 12y + 27 = y² - 9y - 3y + 27

⇒ y(y - 9) - 3(y - 9)

⇒ (y - 3)(y - 9)

Factorizing the expression in the denominator:

y² - 6y - 27 = y² - 9y + 3y - 27

⇒ y(y - 9) + 3(y - 9)

⇒ (y + 3)(y - 9)

Since they have (y - 9) as the common factor, we can simplify,

\frac{y^2 - 12y + 27 }{y^2 - 6y - 27}=\frac{(y-3)(y-9)}{(y+3)(y-9)}

⇒ (y - 3)/(y + 3) where y ≠ -3(denomiantor)

Here there are no more common factors except 1; this is the simplest form of the given rational expression.

Learn more about simplifying rational expressions here:

brainly.com/question/1928496

#SPJ9

3 0
1 year ago
What is the product of (-6)(-7)(-1)?<br> оооо
Yanka [14]

Answer:

-42

Explanation:

(-6)(-7)(-1)

do (-6)(-7)

-negative sign and -negative sign= +positive sign

(-6)(-7)=42

(42)(-1)

+positive sign and -negative sign=-negative sign

answer:

-42

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3 years ago
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