If the proportion of iris to roses in Nikki's garden is 2: 5, it means that for 25 roses: (2/5) = (10/25). Therefore to maintain the proportion by adding 20 roses: (2/5) = (18/45). The number of irises after the addition of roses will be 10 + 18 = 28 irises.
Answer:
405/2
202 remainder 1
Step-by-step explanation:
pliz mark brainliest
Answer:A
Step-by-step explanation:
2 (7-2) = 14-4 = 10
And 10> 8
<em>Note</em><em>:</em><em> </em><em>You</em><em> </em><em>will</em><em> </em><em>need</em><em> </em><em>to</em><em> </em><em>write</em><em> </em><em>the</em><em> </em><em>degree</em><em> </em><em>symbol</em><em> </em><em>for</em><em> </em><em>the</em><em> </em><em>arguments</em><em> </em><em>of</em><em> </em><em>these</em><em> </em><em>trigonometric</em><em> </em><em>functions</em><em>.</em>
As sin(x)=cos(90-x), this means sin10 = cos80 and cos75=15.
So,
LHS = (cos80)(sec80)(sin15)(cosec15)
LHS = (cos 80)(1/cos 80)(sin 15)(1/sin 15)
LHS = 1
Therefore, the identity is true.