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Andreyy89
3 years ago
10

QUICKLY HELP GEOMETRY

Mathematics
1 answer:
aliina [53]3 years ago
8 0

x + 2 / 6 = 2/3

3(x + 2) = 2*6

3x + 6 = 12

3x = 6

x = 2 answer

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What is m∠A ?<br> Please see attachment <br> (The Triangle Sum Theorem)
andrey2020 [161]

x + (3x+13) +(x-8) =180

5x +5 = 180

x = 175 /5 = 35

Angle A = 3(35)+13 = 118 degrees

7 0
3 years ago
find the value of tan (a-b) if cos a=4/5 on the interval (270, 360) and sin b=-5/13 on the interval (270, 360)
Rudiy27

We can find a and b using inverse trig functions,

\cos(a)=\frac{4}{5}\implies a=\arccos\Big(\frac{4}{5}\Big)\approx36.87 \\\sin(b)=-\frac{5}{13}\implies b=\arcsin\Big(-\frac{5}{13}\Big)\approx-22.62

\tan(36.87-(-22.62))\approx1.7

Hope this helps.

7 0
3 years ago
Point T has coordinates (-7, -3). If it's reflected across the line x = 2, what will be the coordinates of its image? A (7, -3)
anastassius [24]
B is the answer
just like the picture
( T' is not exact. it just shows the reflection)

8 0
3 years ago
The distance between the points (-2, -4) and (3,8) is?
forsale [732]

Answer:

(5,4)

Step-by-step explanation:

6 0
2 years ago
Solve the equation 5(a – 7) + 11 = 2a – 3(a + 4) for a
Lady bird [3.3K]
The answer is a equals 6.
6 0
3 years ago
Read 2 more answers
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