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3 years ago

How do I solve the quadratic equation by factoring? 2x^2+x=6

Mathematics

1 answer:

aliina [53]3 years ago

5 0

Move the 6 to the other side:
2x^2 +x+6,
(x-3) (x+4)
x=3 and x=-4

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Consider the equation 360=__+84. Use the bar diagram to represent the equation. Then solve for the unknown value.

Andreyy89

Answer:

the answeris 276. 276+84=360.

Step-by-step explanation:

you would subtract 84 from 360 and then you have your answer!!

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3 years ago

Can someone convert 5cm to milimeter?

zhenek [66]

Answer: 50 millimeters

Step-by-step explanation:

5 cm is one 100th of a meter. Millimeters are one 1000th. Therefore, 1 of each unit in cm is 10 units in mm

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2 years ago

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Which solid has a greater volume?

Lady_Fox [76]

Answer:

Step-by-step explanation:

The volume of a cone is given by $V=\frac{1}{3}\pi r^2h$

The volume of a cylinder is given by $V=\pi r^2 h$

<em>Where h is the height and r is the radius</em>

The first figure is a cone with height 6 and radius 5, we can put it into the formula and find the volume:

$\frac{1}{3}\pi r^2 h\\\frac{1}{3}\pi (5)^2 (6)\\=157.08$

The second figure is a cylinder with height 50 and radius 1, we can put it into the formula and find the volume:

$\pi r^2 h\\\pi (1)^2 (50)\\=157.08$

We can see that they are equal. So answer choice C is right.

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3 years ago

Aurelio can choose between 3 pairs of pants and 4 shirts .How many different outcomes are in the sample space

olya-2409 [2.1K]

There are 12 different outcomes

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3 years ago

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The path of a skateboarder can be modeled by the equation (x – 3)2 = –8(y – 8), where distance is in feet and air resistance is

yKpoI14uk [10]

The maximum height and horizontal distance is required.

Maximum height 8 feet; horizontal distance 16 feet

The given path is $(x-3)^2=-8(y-8)$

If the skateboarder jumps at x = 0 she will land at y = 0. However there will be at horizontal displacement.

$(x-3)^2=-8(0-8)\\\Rightarrow (x-3)^2=8^2\\\Rightarrow x-3=\pm 8\\\Rightarrow x-3=8\\\Rightarrow x=11$

$x-3=-8\\\Rightarrow x=-5$

The distance between -5 and 11 is $11-(-5)=16$

Middle point would be $\dfrac{16}{2}=8$ from $-5$ .

$-5+8=3$

So, $x=3$

The maximum height will be

$(3-3)^2=-8(y-8)\\\Rightarrow y-8=0\\\Rightarrow y=8$

The maximum height is 8 feet and the horizontal distance is 16 feet.

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brainly.com/question/25227606

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3 years ago

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