1 answer:
BTW, KEY: • exponents are going to be written as “^(x)”. • if I put “huh” or “nope” or “what” (etc.) that means I don’t know how to solve it. 1. 49a 2.-15x^(2)+2y^(2) 3.-23a+2b+6 4. 0 5.-9c+3d 6. 4a+14b+c 7.-6a+2b+62 8.-3x+8 9. 16x^(2)-y+x+z 10.-6x 11.-8xy+2 12.-15a+3b 13. nah bruh 14. nope 15. 1.5a 16. -10a-2205 17. -4cd+55 18.-4x+2y+3 19. -67,209 20. huh? 21. what?? 22. 18a+4b 23. 8y+3x+6 24.-2x+2y+6r+2 25. 4a^(2)+2a+2b+3
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Answer:
(4, 1.2)
Step-by-step explanation:
Always. A rectangle is a shape made of 2 sets of equal length parallel lines that forms 4 right angles. So all squares are rectangles and some rectangles are squares.
Answer:
1
Step-by-step explanation:
The equation seems to be y=4x+1
At x=1, y=5
x=2, y=9
x=3, y=13
x=4, y=17
x=0, y=1
Itd be 11/2 x 7/3 = 77/6 and that equals 12 5/6
Start from the last equation:
2w = 8 ⇒ w = 4
z = w + 1 ⇒ z = 4 + 1 ⇒ z = 5
y = 2z - 3w ⇒ y = 2•5 - 3•4 ⇒ y = -2
3x + 2y - z + 5w = 20 ⇒ 3x + 2•(-2) - 5 + 5•4 = 20
⇒ 3x = 9 ⇒ x = 3