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dusya [7]
3 years ago
10

which sequence is geometric                                                                                               A 5 15

25 35        B 5 10 25 35   C 6 12 18 24    D 7 14 21 28
Mathematics
1 answer:
photoshop1234 [79]3 years ago
7 0

If a, b, c, d is geometric sequence, then

\dfrac{b}{a}=\dfrac{c}{b}=\dfrac{d}{c}=const.

A. 5; 15; 25; 35

\dfrac{15}{5}=3;\ \dfrac{25}{15}=\dfrac{5}{3}-NOT

B. 5; 10; 25; 35

\dfrac{10}{5}=2;\ \dfrac{25}{10}=\dfrac{5}{2}-NOT

C. 6; 12; 18; 24

\dfrac{12}{6}=2;\ \dfrac{18}{12}=\dfrac{3}{2}-NOT

D. 7; 14; 21; 28

\dfrac{14}{7}=2;\ \dfrac{21}{14}=\dfrac{3}{2}-NOT

Answer: None of the sequences is a geometric series.

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A horses body temperature T, is considered to be normal if it is within at least 0.9 degrees Fahrenheit of 99.9 degrees Fahrenhe
geniusboy [140]
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3 years ago
B-3/15=1<br> I have a lot of answers but I don't know which one is correct
Marina CMI [18]
<span>b-3/15=-1

We simplify the equation to the form, which is simple to understand
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Simplifying:
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We move all terms containing b to the left and all other terms to the right.
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We simplify left and right side of the equation.
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We divide both sides of the equation by 1 to get b.
<span>b=-0.8
</span></span></span></span></span></span>
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