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8_murik_8 [283]
2 years ago
9

What Are the solutions of the following system?

Mathematics
1 answer:
ankoles [38]2 years ago
3 0

Answer:

C

(0,-5) and (-4,3)

Step-by-step explanation:

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Work out the length of x
Ierofanga [76]

Answer:

11.2 mm

Explanation:

Given a right angle triangle, In order to find the third side: Use Pythagoras Theorem: a² + b² = c²

Insert Values:

x² + 3.8² = 11.8²

x² + 14.44 = 139.24

x² = 139.24 - 14.44   (subtract)

x² = 124.8

x = √124.8              (square root)

x = 11.1714 ≈ 11.2     (rounded to 3 significant figures)

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1 year ago
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Pepsi [2]
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Nonamiya [84]

Answer:

Step-by-step explanation:

Around 0

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3 years ago
A hovercraft takes off from a platform. Its height (in meters), xx seconds after takeoff, is modeled by: h(x)=-2x^2+20x+48h(x)=?
tangare [24]

Answer: 5 seconds

<u>Step-by-step explanation:</u>

Maximum height is the y-value of the vertex. The number of seconds at maximum height is the x-value (aka axis of symmetry).

h(x) = -2x² + 20x + 48

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Axis of symmetry: x = \frac{-b}{2a}

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3 years ago
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The value of x would be 8
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