X = 3y - 6 so:
2(3y - 6) - 4y = 8
6y - 12 - 4y = 8
2y - 12 = 8
2y = 20
y = 10
x = 3(10) - 6
x = 30 - 6
x = 24
-12.5%
2/1.5 =0.125 move the decimal and it become 12.5 but because it’s decreasing it is -12.5%
2x^3+2x^2-x-10
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Answer:
17.49955
Step-by-step explanation:
Hope this helps
Answer:
0.086 sq km
Step-by-step explanation:
![\because \: 1 \: ha = 0.01 \: {km}^{2} \\ \therefore \: 8.6 \: ha = 8.6 \times 0.01 \\ \\ \red{ \boxed{ \bold{\therefore \: 8.6 \: ha = 0.086 \: {km}^{2} }}}](https://tex.z-dn.net/?f=%20%5Cbecause%20%5C%3A%201%20%5C%3A%20ha%20%3D%200.01%20%5C%3A%20%20%7Bkm%7D%5E%7B2%7D%20%20%5C%5C%20%20%5Ctherefore%20%5C%3A%208.6%20%5C%3A%20ha%20%3D%208.6%20%5Ctimes%200.01%20%20%5C%5C%20%20%5C%5C%20%5Cred%7B%20%5Cboxed%7B%20%5Cbold%7B%5Ctherefore%20%5C%3A%208.6%20%5C%3A%20ha%20%3D%200.086%20%5C%3A%20%20%7Bkm%7D%5E%7B2%7D%20%7D%7D%7D)