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blsea [12.9K]
3 years ago
15

Plz help ASAP 15 points 4. XY is tangent to circle Zat point Y. Xw is tangent to circle Zat point W.

Mathematics
2 answers:
Sladkaya [172]3 years ago
8 0

Answer: 4.8 units

Step-by-step explanation:

mars1129 [50]3 years ago
4 0

9514 1404 393

Answer:

  A.  4.8 units

Step-by-step explanation:

Segment ZX can divide the figure into two right triangles. Then angle XZY is 136°/2 = 68°. The tangent relation tells you ...

  Tan = Opposite/Adjacent

  tan(68°) = XY/r

  r = 12/tan(68°) ≈ 4.848 ≈ 4.8

The radius of the circle is about 4.8 units.

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Here are some Examples: :) 

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\frac{4}{9} is 0.4444444444 and so on

\frac{7}{9} is 0.777777777 and so on

So it could be anything like 9 or 6 as long is its like this  \frac{9}{4}
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4 0
3 years ago
Which of the following questions describes the equation = a/4 -20?
Gekata [30.6K]
1) Negative five -5 x 4 = -20 2) Negative eighty -80 / -4 = 20 3) Negative 1/5 (-1/5) x (-20) = 4 4) Negative eighty (-80) / 4 = -20
6 0
3 years ago
Please no wrong answers <br>what to do next??​
Finger [1]

Step-by-step explanation:

I am not sure what you want to calculate as ultimate goal.

but your have an error already in your third line in the picture.

(3-6i)(2-4i) = 3×(2-4i) - 6i(2-4i)

you had there a "+" instead of a "-".

and then you made subsequent mistakes in every line, some of them are funnily bringing you more back to the real result (e.g. -12i + 12i would be 0 and not -24i, but if the third line would have been correct, then yes, -24i is actually needed) - but not completely.

= 3×2 - 3×4i - 6i×2 + 6i×4i =

= 6 - 12i - 12i + 24×-1 = 6 - 24i - 24 = -24i - 18

then in the last 3 lines you kind of lose it completely. I am absolutely not sure, what you are calculating, and where the "+" cube from instead of "×" (multiplications) and such.

(3+6i)(2+4i) = 3×2 + 3×4i + 6i×2 + 6i×4i =

= 6 + 12i + 12i + 24×-1 =

= 6 + 24i - 24 = 24i - 18

is that what you wanted to show ?

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3 years ago
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7 – 4 = 3
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Furkat [3]

y ≤ 1 + 2x is the answer

5 0
3 years ago
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