2 years ago

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Mathematics

1 answer:

kotykmax [81]2 years ago

6 0

Answer:

$\frac{12}{49}$

Step-by-step explanation:

$\frac{4}{7} *\frac{3}{7} = \frac{12}{49}$

Hope this helps.

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Evaluate f(-2) if f(x)=-3x^2-1

Pani-rosa [81]

f(x)=-3x^2-1

f(-2)= -3(-2)²-1=-3·4-1= - 13

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3 years ago

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Answer:

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Kryger [21]

Answer:

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15 POINTS... NEED HELP! Write an equation in point-slope form of a line which is perpendicular to x + 5y = 5 and passes through

earnstyle [38]

Answer:

y + 1 = 5(x - 10)

Step-by-step explanation:

the equation of a line in point- slope form is

y - b = m(x - a)

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y = mx + c ( m is the slope and c the t-intercept )

rearrange x + 5y = 5 into this form ( subtract x from both sides )

5y = - x + 5 ( divide all terms by 5 )

y = - $\frac{1}{5}$ x + 1 ← in slope- intercept form

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using m = 5 and (a, b) = (10, - 1), then

y + 1 = 5(x - 10) ← in point- slope form

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2 years ago