Answer:
90+15x+8x-2=180
Step-by-step explanation: If you solve this it should equal 4
Answer:
how is this a math question lol
Answer:
$162.75
Step-by-step explanation:
8.5% = 0.085
12.75 / 0.085 = 150 (price before tax)
150 + 12.75 = 162.75
Answer:
17) h=I(1-cosθ); 18) h=1.404.
Step-by-step explanation:
17) h=I-BC;
In ΔABC: m(∠C)=90°, m(∠B)=θ, AB=I, then BC=AB*cos(∠B); ⇒ BC=Icosθ;
Then h=I-Icosθ or h=<u>I(1-cosθ)</u>.
18) if I=6 and θ=40°, then h=6(1-cos40°)≈6*(1-0.766)=<u>1.404</u>, where cos40°≈0.766.
For more details see the attachment.