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Yakvenalex [24]
3 years ago
9

Find the value 47-36÷3(5+7-3^2)

Mathematics
2 answers:
lesya [120]3 years ago
6 0
<span>47-36÷3(5+7-3^2)
= 47 - 36 </span>÷3(12 - 9)
= 47 - 36 ÷ 3(3)
= 47 - 36 ÷ 9
= 47 - 4
= 43
Salsk061 [2.6K]3 years ago
5 0
The value of 47-36÷3(5+7-3²) is 11.
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irakobra [83]
93% of 149

10% of 149 = 14,9

93% of 149 > 90% of 149

93% of 149 > 149 - 14,9 ≈ 149-15≈134
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⇒ the answer is D

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3 years ago
Which table describes the behavior of the graph of f(x) = 2x3 – 26x – 24?
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Answer:

For x∈ {-∞,-3} y<0, below x-axis

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Step-by-step explanation:

f(x)=2x^{3}-26x-24

2x^{3}-26x-24=0

2x^{3}-26x-24=0\\2x^{3}-2x-24x-24=0\\2x(x^{2} -1)-24(x+1)=0\\2x(x+1)(x-1)-24(x+1)=0\\(x+1)(2x^{2} -2x-24)=0\\=> x+1=0 => x_{1}=-1\\

=> 2x^{2} -2x-24=0\\=>2(x^{2} -x-12)=0\\=> x^{2} -x-12=0\\=> x^{2} -4x+3x-12=0\\=> x(x-4)+3(x-4)=0\\=> (x-4)(x+3)=0\\

=> x-4=0\\=> x_{2}=4\\=> x+3=0\\=>x_{3}=-3\\

For x∈ {-∞,-3} y<0, below x-axis

x∈ {-3,-1} y>0, above x-axis

x∈ {-1,4} y<0, below x-axis

x∈ {4,∞} y>0, above x-axis



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