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m_a_m_a [10]
2 years ago
15

I need help please i need step by step help

Mathematics
2 answers:
lana66690 [7]2 years ago
7 0
The first one is 3x + 7x = 3
10x = 3
The second one is x^2-2x + 15x = 3
x^2 + 13x = 3
melomori [17]2 years ago
3 0
Mmmmbrntnrjneuneunre unenriched
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What is the estimated sum? Round each addend to the nearest thousand before adding. 75,364 + 472,756 . A. 550,000 B. 548,000 C.
exis [7]
Hey!

We can round 75,364 to 75,000 and 472,756 to 473,000


75,000 + 473,000 = 548,000

So, the answer is B. 548,000 =)
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yan [13]

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