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faust18 [17]
3 years ago
5

21) Rearrange the formula v2 = u2 + 2as for s. A) s = v2 + u2 2 B) s = v2 - u2 2 C) s = v2 - u2 2a D) s = v2 + u2 2a

Mathematics
2 answers:
NARA [144]3 years ago
5 0
<span>v2 = u2 + 2as
2as = </span>v2 -  u2
s = (v2 -  u2)/2a

so 
answer is C<span>) s = (v2 - u2)/ 2a</span>
Leno4ka [110]3 years ago
3 0

Answer:

Option C is correct.

Step-by-step explanation:

Given the formula v^2-u^2=2as. we have to rearrange the formula for s.

v^2=u^2+2as\\\\\\v^2-u^2=2as\\\\\text{Divide by 2a on both sides}\\\\2as=v^2-u^2\\\\s=\frac{1}{2a}(v^2-u^2)

Hence, option C is correct.

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Find the common ratio for the geometric sequence defined by the formula: an=40(2‾√)n−1 a n = 40 ( 2 ) n − 1
WITCHER [35]

The ratio of the geometric sequence 402^{n-1} is 2.

Given that geometric sequence is 40*2^{n-1} and we have to find the common ratio of all the terms.

Geometric sequence is a sequence in which all the terms have a common ratio.

Nth termof a GP is ar^{n-1} in which a is first term and r is common ratio.

Geometric sequence=40*2^{n-1}

We have to first find the first term, second term and third term of a geometric progression.

First term=40*2^{1-1}

=40*2^{0}

=40*1

=40

Second term=40*2^{2-1}

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Third term=40*2^{3-1}

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Ratio of first two terms=80/40=2

Ratio of next two terms=160/80=2

Hence the common ratio of geometric sequence is 2.

Learn more about geometric progression at brainly.com/question/12006112

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4 0
2 years ago
Solve using square root method
avanturin [10]
\frac{1}{2}(x+5)^2 + 9 = -15

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There isn't a number that squared gives a negative number (the square is always positive).

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