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DanielleElmas [232]
3 years ago
12

9 -19i/12 -5i Do not answer in standard form

Mathematics
1 answer:
azamat3 years ago
5 0

Answer:

\dfrac{203-183i}{169}

Step-by-step explanation:

\dfrac{9-19i}{12-5i}=\dfrac{(9-19i)(12+5i)}{(12-5i)(12+5i)}=\dfrac{108+45i-228i-95i^2}{144-25i^2}\\\\=\dfrac{203-183i}{169}=\dfrac{203}{169}-\dfrac{183}{169}i

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B y=2x+85the answer for it
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3 years ago
∠ABD is formed by a tangent and a secant intersecting outside of a circle. If minor arc AC = 72° and minor arc CD = 132°, what i
Kruka [31]

Answer:

measure of ∠ABD = 42°

Step-by-step explanation:

Angle Formed by Tangent and Secant = (1/2)*(difference of Intercepted Arcs)

In this case the intercepted arcs are: minor arc AC and minor arc AD. Let´s first find minor arc AD, we know that:

minor arc AC + minor arc CD + minor arc AD = 360°

Then,

minor arc AD = 360° - minor arc AC - minor arc CD

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Replacing in the aforementioned formula:

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∠ABD = (1/2)*(156° - 72°)

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8 0
3 years ago
Given that the measure of ∠x is 66°, and the measure of ∠y is 66°, find the measure of ∠z
kirza4 [7]

Answer:

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Hope this helps!

If not, I am sorry.

7 0
2 years ago
10+(23+10×9)+50÷10
ddd [48]
<span>10+(23+10×9)+50÷10</span>
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3 years ago
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6 0
3 years ago
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