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NeTakaya
3 years ago
15

What is the value of the rational expression below when x is equal to 4? x-12/x-8

Mathematics
2 answers:
Oxana [17]3 years ago
8 0

Answer: the answer is 2

Step-by-step explanation:

mestny [16]3 years ago
4 0

\text{Put the value of x = 4 to the expression}\ \dfrac{x-12}{x-8}:\\\\\dfrac{4-12}{4-8}=\dfrac{-8}{-4}=2\\\\Answer:\ \boxed{C.\ 2}

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F(x)= −x^2 + x + 14 Find f(2)
sattari [20]

Answer:

f(2) = 12

Step-by-step explanation:

f(x = −x^2 + x + 14

Plug in:

f(x) = −2^2 + 2 + 14

Solve:

f(x) = −2^2 + 2 + 14

f(x) = -4 + 2 + 14

f(x) = -2 + 14

f(x) = 12

Hope this helped.

7 0
3 years ago
Read 2 more answers
10. The formula for the circumference of a circle with diameter d is C = d.
Fudgin [204]

9514 1404 393

Answer:

  a.  d = C/π

  b.  d = 8/π inches ≈ 2.546 inches

  c.  r = 61/(2π) inches ≈ 9.708 inches

Step-by-step explanation:

a. The formula for circumference is ...

  C = πd

Dividing by π gives ...

  d = C/π

__

b. For a circumference of 8 inches, the diameter is ...

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__

c. The radius is 1/2 the diameter. So, the radius of a circle is ...

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For a circumference of 61 inches, the radius is ...

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8 0
3 years ago
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If a figure is a trapezoid, in what other way or ways can you classify it?
My name is Ann [436]
You can classify it by saying it's a Polygon
4 0
4 years ago
Read 2 more answers
In a school, the ratio of boys to girls is 4:3. There are 216 boys. How many girls are there?
tankabanditka [31]

Answer:

162

Step-by-step explanation:

Divide 216 by 4

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5 0
3 years ago
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Ganezh [65]

Answer:

b. False

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8 0
3 years ago
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