<h2 />
Step-by-step explanation:
x = £FX/£F= 260+10k/40+k = 7.2
<h3>260 +10k = 288 + 7.2k 2.8 k = 28 k=10 </h3>
Answer:
m∠EDC = 4x+15 (vertically opposite angles are equal)
Step-by-step explanation:
Please find the attached document for explanation
Cos A) 16/20 or 4/5
Tan A) 12/16 or 3/4
Sin A) 12/20 or 3/5
2x2 + 5xy - 3y
there are three terms in the simplified expression
there is one negative term in the simplified expression