1 year ago

What is the value of 2m^2+12 when m = 3? 24 30 37 38

Mathematics

1 answer:

Crazy boy [7]1 year ago

8 0

Answer:

Step-by-step explanation:

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A painter leans a 34-ft ladder against a building. The base of the ladder is 16 ft from the building. To the nearest foot, how h

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Step-by-step explanation:

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1 year ago

Solve the quadratic equation 5x2 - 125 = 0.

GaryK [48]

Let's solve this with the quadratic formula, which is: $x_{1,\:2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$
Let's plug in the values:
$\frac{-0+\sqrt{0^2-4\cdot \:5\left(-125\right)}}{2\cdot \:5}$
Remove exponents:
$=\frac{-0+\sqrt{0-\left(-125\right)\cdot \:4\cdot \:5}}{2\cdot \:5}$
Simplify.
$=\frac{-0+\sqrt{0-\left(-125\right)\cdot \:4\cdot \:5}}{10}$
$=\frac{\sqrt{-\left(-125\right)\cdot \:20}}{10}$
$=\frac{50}{10}$
$=\pm 5$

This leaves us with the final solutions being:
$x=5,\:x=-5$

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1 year ago

What are the slope and y-intercept of the graph of y =(-1/3)x + 1

irga5000 [103]

Answer:

$slope \: = - \frac{1}{3} x \\ y - interept \: = \: 1$

Step-by-step explanation:

Hope this helps!

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