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leva [86]
3 years ago
6

Evaluate: 4 + -2 + -7

Mathematics
2 answers:
krok68 [10]3 years ago
8 0

Answer:

-5

Step-by-step explanation:

Mars2501 [29]3 years ago
6 0

Answer:

its -5

Step-by-step explanation:

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When two identical ions are separated by a distance of 4.2×10−10 , the electrostatic force each exerts on the other is 5.2×10−9
Effectus [21]
F = kq2 / r2 
q = ne 
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Rewrite the function f(x)=4(x-2)²-8 in the form f(x)=ax²+bx+c.
tino4ka555 [31]

Answer:

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Step-by-step explanation:

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8 0
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Read 2 more answers
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