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taurus [48]
3 years ago
15

For each expression use a property to write an equivalent expression. Tell which property you used.

Mathematics
1 answer:
Strike441 [17]3 years ago
3 0
1.      13 + x              <em>Communicative Property</em>
2.      8x - 12             <em>Distributive Property</em>
3.      a + (2 + b)       <em>Associative Addition Property</em><span><em>
</em></span>
Hope this helps!
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Find the oth term of the geometric sequence 7, 14, 28, ...
yaroslaw [1]

Answer:

The nth term of the geometric sequence 7, 14, 28, ... is:

a_n=7\cdot \:2^{n-1}

Step-by-step explanation:

Given the geometric sequence

7, 14, 28, ...

We know that a geometric sequence has a constant ratio 'r' and is defined by

a_n=a_1\cdot r^{n-1}

where a₁ is the first term and r is the common ratio

Computing the ratios of all the adjacent terms

\frac{14}{7}=2,\:\quad \frac{28}{14}=2

The ratio of all the adjacent terms is the same and equal to

r=2

now substituting r = 2 and a₁ = 7 in the nth term

a_n=a_1\cdot r^{n-1}

a_n=7\cdot \:2^{n-1}

Therefore, the nth term of the geometric sequence 7, 14, 28, ... is:

a_n=7\cdot \:2^{n-1}

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3 years ago
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Answer:

90-24=76°

Step-by-step explanation:

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6 0
2 years ago
$7 is what percent of 10$
marissa [1.9K]

Answer:

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Step-by-step explanation:

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Mariana [72]
Hey there,

Your question states: <span>The coordinates of A, B, and C in the diagram are A(p, 4), B(6, 1), and C(9, q). Which equation correctly relates p and q? 

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timurjin [86]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
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