19 & 23 usei o processo de multplicar os números por um
<h3>4x-4+12=20°+35°</h3><h3>4x+8=55°</h3><h3>4x=55°-8</h3><h3>4x=47°</h3><h3>x=47÷4</h3><h3>x=11.75</h3><h3>x=12</h3>
<h2> or</h2>
<h3>4x-4=12</h3><h3>4x=12+4</h3><h3>4x=16</h3><h3>x=16÷4</h3><h3>x=4</h3>
please mark this answer as brainlist
the square root of 25 is 5 i hope this helped and enjoy your day!
<span>the missing exponent is
-3</span>
Answer: 2:1
Step-by-step explanation:
The original ratio would be 12:6 but can be simplified to 2:1
hope it helps :)
