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nikdorinn [45]
3 years ago
7

Please help me on this geometry i’ll mark u the brainliest

Mathematics
1 answer:
kicyunya [14]3 years ago
5 0

Answer:

<h2>               XN = 6</h2>

Step-by-step explanation:

If XY is bisector of angle AXN then:   \dfrac{YN}{AY}=\dfrac{XN}{AX}

\dfrac4{12}=\dfrac{XN}{18}\\\\XN=\dfrac4{12}\cdot18\\\\XN=6                                                            

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If the bike cost $80 and got it with a discount to $60 the answer is 20%


8 0
3 years ago
Plsss need help!!! will give brainliest !!!
Vesna [10]

Answer:

The relationship between the graphs of the two functions is "They are reflections of each other across the y-axis" ⇒ B

Step-by-step explanation:

  • If the function f(x) reflected across the x-axis, then the new  function g(x) = - f(x), which means the signs of the y-coordinates of the points on f(x) are opposite in g(x)
  • If the function f(x) reflected across the y-axis, then the new  function g(x) = f(-x), which means the signs of the x-coordinates of the points on f(x) are opposite in g(x)

∵ The points on f(x) are (-2, -31), (-1, 0), (1, 2), (2, 33)

∵ The points on g(x) are (2, 3), (1, 0), (-1, 2), (-2, 33)

∵ All x-coordinates on f(x) multiplied by -1 to get the x-coordinates of g(x)

→ By using the 2nd rule above

∴ g(x) is the image of f(x) after reflection across the y-axis

∴ The relationship between the graphs of the two functions is

    "They are reflections of each other across the y-axis"

7 0
3 years ago
Y = x²+1 at x=1 what’s the solution?
ArbitrLikvidat [17]
Y = x^2 + 1
if x = 1 then
y = 1^2 + 1 ( 1^2 = 1 )
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3 0
3 years ago
Read 2 more answers
A coin is flipped 8 times. Find the probability of the event exactly: 8 heads
kykrilka [37]
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3 0
3 years ago
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T is directly proportional to the cube of r. T=21.76 when r=4 Find a formula for T in terms of r
maria [59]

Answer:

T = 0.34r³

Step-by-step explanation:

Given that T is directly proportional to r³ then the equation relating them is

T = kr³ ← k is the constant of variation

To find k use the condition T = 21.76 when r = 4 , then

21.76 = k × 4³ = 64k ( divide both sides by 64 )

0.34 = k

T= 0.34r³ ← equation of variation

3 0
3 years ago
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