Answer:
2,3
Step-by-step explanation:
The surface area is 33 meters
)
<span>tanx = 3/10 </span>
<span>x=16.7 B </span>
<span>2) </span>
<span>tan 64 = 173/x </span>
<span>x = 84.38 D </span>
<span>3) </span>
<span>tan21 = x/442 </span>
<span>x= 169.67 B </span>
<span>4) </span>
<span>tanx = 16.2/48.3 </span>
<span>x = 18.54 A </span>
<span>5) </span>
<span>tanx = 8/6.5 </span>
<span>x = 50.91 C </span>
<span>6) </span>
<span>tan89 = 1149/x </span>
<span>x=20.06 A </span>
<span>7) </span>
<span>tanx = 21/12 </span>
<span>x= 60.26 B </span>
<span>8) B </span>
<span>9) </span>
<span>tanx = 25/63 </span>
<span>x = 21.64 C </span>
<span>10) </span>
<span>tanx = 60/15 </span>
<span>x= 75.96 D</span>
Check the picture below.
make sure your calculator is in Degree mode.
<span><span>The derivative is:
y= 4<span>(<span><span>x</span></span></span></span></span>³<span><span><span><span>−<span>x</span></span></span></span></span>²<span><span><span><span>+x+1</span>)</span><span>e</span></span></span>×<span><span><span>/</span></span><span><span>(<span><span>x</span></span></span></span></span>²<span><span><span><span>+1</span>)</span></span></span>²