The product of , and the sum of a number and - 4 is less than or equal to 64.

Mathematics

1 answer:

lozanna [386]2 years ago

3 0

Answer:

Step-by-step explanation:

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Tim installs 50 square feet of his floor in 45 minutes. At this rate, how long does it take him to install 495 square feet?

77julia77 [94]

Answer:

99.5 minutes

Step-by-step explanation:

50=45

495=?

495×45÷50=99.5

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3 years ago

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The formula for determining the pressure, p, exerted on an object at a depth, h, below the surface of a liquid is p = s + dgh, where s is the atmospheric pressure, d is the density of the liquid, and gas the acceleration due to gravity.

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2 years ago

X2+5x=3x+11 and solve by completing the square

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$x^2+5x=3x+11\\
x^2+2x-11=0\\
x^2+2x+1-12=0\\
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3 years ago

Is the following relation a function? (

PolarNik [594]

No, because there are TWO values of y for a certain value of x

say x=5, then y=2 and y=-2

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Write an equation for a parabola in which the set of all points in the plane are equidistant from the focus and line F(-6,0); x=

Bogdan [553]

Step-by-step explanation:

Since we have a vertical directrix, the equation of the parabola is

$(y - k) {}^{2} = 4p(x - h)$

Where p is the distance from the vertex to the directrix.

or the distance from the vertex to the focus.

Since we have a sideways parabola, let use the point for the directrix is (-6,0). So let find the midpoint of (-6,0) and (6,0). That would be our vertex.

$\frac{ - 6 + 6)}{2} = 0$