2 years ago

What is the measure of angle ABD?

Mathematics

1 answer:

Gnesinka [82]2 years ago

6 0

Answer:

118

Step-by-step explanation:

7x-4=6x+5

x=9

7(9)-4+6(9)+5

You might be interested in

Does anyone know what c equals?

jok3333 [9.3K]

C = what ever the algebraic pharse is standing for c can equal to what ever number there is

6 0

3 years ago

Read 2 more answers

1. Five more than three times a number is sixty- five.

nalin [4]

First equation
a. 3x+5=65
b.3x=60 x=20

7 0

3 years ago

How did he get this 1/2i ? I dont remember studying this definition in calc 1 neither calc 2!

Hitman42 [59]

The $i$ in the denominator is missing in the second expression. It should be

$\sin at=\dfrac{e^{iat}-e^{-iat}}{2i}$

This follows from

$e^{iat}=\cos at+i\sin at$
$e^{-iat}=\cos at-i\sin at$
$\implies e^{iat}-e^{-iat}=2i\sin at$
$\implies \sin at=\dfrac{e^{iat}-e^{-iat}}{2i}$