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luda_lava [24]
3 years ago
9

Only need help on 38 please

Mathematics
1 answer:
Nezavi [6.7K]3 years ago
4 0

Answer: D

Step-by-step explanation:

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Please help asapp three questions 72 pts
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x^2-11x=x^2-2x\cdot5.5+5.5^2-5.5^2=(x-5.5)^2-30.25\\\\=(x-5.5)^2-30\dfrac{1}{4}=(x-5.5)^2-\dfrac{121}{4}\\\\\boxed{Answer:\ n=\dfrac{121}{4}}


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x^2+2x=15\\\\x^2+2x\cdot1=15\ \ \ |+1^2\\\\\underbrace{x^2+2x\cdot1+1^2}_{(a+b)^2=a^2+2ab+b^2}=15+1^2\\\\(x+1)^2=16\to x+1=\pm\sqrt{16}\\\\x+1=-4\ \vee\ x+1=4\ \ \ |-1\\\\\boxed{Answer:\ x=-5,\ x=3}
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What is the answer 5+5*5-5/5
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Help me X^6 times what =x^9
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The answer is x^3. When you multiply exponents with the same base, you add the power number. Ex: x^4*x^2=x^6
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3 years ago
PLz help me
ikadub [295]
3x + 6.55 = 25.81
^ ^ ^
# of Cheese Total
Bags

3x + 6.55 = 25.81
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3x = 19.26
DIVIDE
X = 6.42 A bag of lemons costs $6.42

7 0
2 years ago
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