Answer:
B
Step-by-step explanation:
let X represent the smaller paintings and Y represent the larger paintings
since she bought 8 paintings
X+Y=8
She bought all the eight paintings for $230 and X is worth 25 while Y is worth 40
25×X+40×Y=230
25X+40Y=230
Answer:
Around $790
Step-by-step explanation:
You divide by 31 and multiply by 7
<span><span><span><span><span><span>(16)</span><span>(4)</span></span><span>=</span></span><span>(7)</span></span><span>(4)</span></span>+<span><span>(10)</span><span>(4)</span></span></span><span><span>64≠</span>68</span>False<span>MAYBE THIS?</span>
Answer:
168.4953 (m/s)
Step-by-step explanation:
a(t)=x''(t)=(0.0951t⁴-0.101t³+0.837t²+3.87t-9.37)''= =4*3*0.951t²-3*2*0.101t+2*0.837 =11.412t²-0.606t+1.674.
a(3.85)=11.412*3.85²-0.606*3.85+1.674=168.4953
Notice that <em>C</em> has a clockwise orientation. By Green's theorem, we have

where <em>D</em> is the triangule region with <em>C</em> as its boundary, given by the set

So we have

