Only 1 solution because you pass through the x-axis only once. Here is an example image below.
Answer:
2) slant height=15
surface area=
Step-by-step explanation:
x 
81+144
=225
=15
9873 - 9586 = 287 units used cost is 287 * 27.2 = 7806.4 p= 78.06 + standing charge of 12.40
<span>
total gas 80.46 Jayne's share 26.16 (because they have to pay part of a penny, so round up) </span>
<span>electricity </span>
<span>3542 - 3187 = 355 units used cost 355 * 7.1 2520.5 p = 25.21 + standing charge of 9.10 </span>
<span>
total electricity 34.31 Jayne's share 11.44 (because they have to pay part of a penny, so round up) </span>
<span>Rent * 3 months = 540 * 3 = 1620 Jayne's share 1620 / 3 = 540 </span>
<span>
total cost 3 months for Jayne </span>
<span>540 + 11.44 + 26.16+ 54 = 631 pounds 60 pence</span>
Hello :
x= r cos<span>θ
y= r sin</span><span>θ
r = 4 and </span>θ =<span> −3π/4
cos( </span> −3π/4 ) = cos( 3π/4 ) = cos ( π - <span>π/4) = - cos (</span><span>π/4)= - </span><span>√2/2
</span>sin( −3π/4 ) = - sin( 3π/4 ) = - sin ( π - π/4) = -sin (π/4)= - √2/2
x = - 2 √2
y = - 2 √2
