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nlexa [21]
3 years ago
9

What is the value of y?

Mathematics
1 answer:
3241004551 [841]3 years ago
8 0
May I ask if you have a picture of the question or?
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Which shows all the values of x that make the rational expression undefined? x = 6 x = 7 x = –6 or x = 6 x = –7 or x = 7
n200080 [17]
<h2>Explanation:</h2>

The rational expression is given by:

E=\frac{2x^2-72}{5x^2-245} \\ \\ Factor \ out: \\ \\  E=\frac{2(x^2-36)}{5(x^2-49)} \\ \\ E=\frac{2(x-6)(x+36)}{5(x-7)(x+7)} : \ \ \ \ a^2-b^2=(a-b)(a+b)

The denominator can't be zero, therefore:

(x-7)(x+7)\neq 0 \\ \\ \\ Thus: \\ \\ \boxed{x\neq 7 \ and x \neq -7}

Finally,<em> the values of x that make the rational expression undefined are </em>

<em></em>

<em>x = 7 and x = -7</em>

4 0
3 years ago
I thought it was 25/100 buts it’s wrong
viva [34]

Answer:

Step-by-step explanation:

a to b represents a quarter of the line segment in order to get to %100 we need to multiply 2in by 4.

2x4=8

4 0
3 years ago
The standard form of an absolute value function is f(x)-a|x-h|+k. Which of the following represents the vertex?
Len [333]

Answer:

(h, k )

Step-by-step explanation:

given the standard form of an absolute function

f(x) = a| x - h | + k , then

vertex = (h, k )

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What is the answer for 3r+8=2r+12
Marina86 [1]

Answer:

r=4

Step-by-step explanation:

6 0
3 years ago
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For the vulcan species, if the probability that a couple produces a girl is 0.202, and if the couple has 6 children, what is the
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2 boys 4 girls Add those together then divid And Then Use diffences And theres ur Awnser
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