2 answers:
Answer:
The anwsers are
a- trapezoid
b- 6
Answer:
trapezium
1 since it is 2d
Step-by-step explanation:
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y=x^2-2x-15 (1) y=8x-40 (2)
8x-40=x^2-2x-15
X^2+10x-25=0
(x-5)^2
×=5 y=0
Answer:
Since we know that
(a+b)
2
=a
2
+2ab+b
2
(a−b)
2
=a
2
−2ab+b
2
Now,
(i)
(x+3y)
2
=x
2
+2×x×3y+(3y)
2
=x
2
+6xy+9y
2
(ii)
(2x−5y)
2
=(2x)
2
−2×2x×5y+(5y)
2
=4x
2
−20xy+25y
2
(iii)
(a+
5a
1
)
2
=a
2
+2×a×
2a
1
+(
2a
1
)
2
=a
2
+1+
4a
2
1
(iv)
(2a−1a)=(1a)
2
(1a)
2
=1a
2
Answer
<span>48/70=0.6857
</span><span>0.6857x100=68.57%</span>
Answer: 5x + 16
Step-by-step explanation: distribute, add the numbers, and combine like terms.
2x + 10...the common number between these 2 terms is 2...so factor the 2 out
2(x + 5) <==
