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2 years ago

Evaluate the expression 23[1/4 +4(36÷12)]

Mathematics

1 answer:

Katyanochek1 [597]2 years ago

4 0

Step-by-step explanation:

23 [1/4 +4(36÷12)]

23 [1/4 +4×3]

23 [0.25 +12]

23 ×12.25

281.75

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2 years ago

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2 years ago

If f(x) is a linear function, f(−2)=4, and f(1)=−1, find an equation for f(x)

juin [17]

Answer:

$y = -\frac{5}{3}x+\frac{2}{3}$

Step-by-step explanation:

Given

$f(-2) = 4$

$f(1) = -1$

Required

The equation of the function

The given parameters means that:

$(x_1,y_1) = (-2,4)$

$(x_2,y_2) = (1,-1)$

Calculate the slope (m)

$m = \frac{y_2 -y_1}{x_2 -x_1}$

$m = \frac{-1-4}{1--2}$

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The equation is then calculated using:

$y = m(x - x_1) + y_1$

This gives:

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Open bracket

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Take LCM

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2 years ago

Evaluate the expression 23[1/4 +4(36÷12)]​

Evaluate the expression 23[1/4 +4(36÷12)]