Answer:
d
Step-by-step explanation:
The last choice is the answer. y=-3x
Answer:
= 221
Step-by-step explanation:
Lenght = 250
Width= x
Perimeter = 2 (l+b) = 942
2 x (250 +x) = 942
500 + 2x = 942
2x = 942 - 500= 442
x = 442 /2 = 221
I hope Im right!!
Answer:
![\boxed{\bold{v \ = \ \frac{36}{7}}}](https://tex.z-dn.net/?f=%5Cboxed%7B%5Cbold%7Bv%20%5C%20%3D%20%5C%20%5Cfrac%7B36%7D%7B7%7D%7D%7D)
Step-by-step explanation:
Subtract v from both sides
![\bold{v-4-v=v+2+7v-42-v}](https://tex.z-dn.net/?f=%5Cbold%7Bv-4-v%3Dv%2B2%2B7v-42-v%7D)
Simplify
![\bold{-4=2+7v-42}](https://tex.z-dn.net/?f=%5Cbold%7B-4%3D2%2B7v-42%7D)
Switch sides
![\bold{2+7v-42=-4}](https://tex.z-dn.net/?f=%5Cbold%7B2%2B7v-42%3D-4%7D)
Group like terms
![\bold{7v+2-42=-4}](https://tex.z-dn.net/?f=%5Cbold%7B7v%2B2-42%3D-4%7D)
Subtract the numbers: 2 - 42 = -40
![\bold{7v-40=-4}](https://tex.z-dn.net/?f=%5Cbold%7B7v-40%3D-4%7D)
Add 40 to both sides
![\bold{7v-40+40=-4+40}](https://tex.z-dn.net/?f=%5Cbold%7B7v-40%2B40%3D-4%2B40%7D)
Simplify
![\bold{7v=36}](https://tex.z-dn.net/?f=%5Cbold%7B7v%3D36%7D)
Divide both sides by 7
![\bold{\frac{7v}{7}=\frac{36}{7}}](https://tex.z-dn.net/?f=%5Cbold%7B%5Cfrac%7B7v%7D%7B7%7D%3D%5Cfrac%7B36%7D%7B7%7D%7D)
Simplify
➤ ![\bold{v=\frac{36}{7}}](https://tex.z-dn.net/?f=%5Cbold%7Bv%3D%5Cfrac%7B36%7D%7B7%7D%7D)
✔8 Isn't a perfect square. Irrational numbers are numbers that cannot be represented as a ratio for example Pi, or non-perfect squares like ✔2, ✔3, ✔5, ✔8.