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3 years ago

For what value of x is the rational expression below equal to zero? x-4/x-6

Mathematics

2 answers:

frutty [35]3 years ago

7 0

Answer:2/3

Step-by-step explanation:

iris [78.8K]3 years ago

5 0

Answer:

x=6

Step-by-step explanation:

anything over 0 will equal 0

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A pair of socks costs $2.50 originally. The price is reduced to $1.75. What is the percent change?

telo118 [61]

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% change = difference / original x 100

% change = (0.75 / 2.5) x 100

% change = 30%

It was a 30% change

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3 years ago

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If h(x) = 3x + 1 and g(x) = 10 − x2, find h[g(2)<br> Show work please!Thanks!

Nataliya [291]

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2 years ago

Solve the system using elimination.

Leona [35]

Answer:

the answer is A

Step-by-step explanation:

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3 years ago

A right triangle with base 3 cm and height 4 cm. What is the hypotenuse

statuscvo [17]

Answer:5

Step-by-step explanation:

3^2+4^2=c^2

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3 years ago

Prove algebraically that (m + 2)2 – m 2 – 12 is always a multiple of 4

Julli [10]

Answer:

$(m + 2)^{2} - m^{2} - 12 = 4(m - 2)$

Step-by-step explanation:

Step 1:

Write the expression

$(m+2)^{2} - m^{2} - 12$

Step 2: Expand $(m + 2)^{2}$

$(m+2)^{2} - m^{2} - 12\\(m+2)(m+2) - m^{2} - 12\\m^{2} + 2m + 2m + 4 - m^{2} - 12$

Step 3: Collect similar terms

$m^{2} - m^{2} + 4m + 4 - 12\\4m - 8$

Step 4: Factor 4 out of the expression to prove that the expression is a multiple of 4.

$Therefore\\4m - 8 = 4(m - 2)\\Hence,\\(m+2)^{2} - m^{2} - 12 is a multiply of 4 because the expression is equal to 4(m-2)$

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2 years ago