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Natasha_Volkova [10]
2 years ago
10

Given the sequence 128, −32, 8… , which of the following statements is TRUE? *

Mathematics
2 answers:
scoray [572]2 years ago
6 0

Answer:

C

Step-by-step explanation:

The sequence has a common ratio r between consecutive terms

r = \frac{a_{2} }{a_{1} } = \frac{-32}{128} = - \frac{1}{4}

r = \frac{a_{3} }{a_{2} } = \frac{8}{-32} = - \frac{1}{4}

Thus the sequence is geometric with common ratio r = - \frac{1}{4}

Hoochie [10]2 years ago
5 0

Answer:

C

Step-by-step explanation:

Because the ratio between 128 and -32 is the same as the ratio between -32 and 8

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Anastasy [175]

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Step-by-step explanation:

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3 years ago
Find the area of the rectangle below.
Sloan [31]
(3x-2)*(4x-7)
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7 0
2 years ago
Two similar FOR SALE signs have a scale factor of 5:3. The largest sign’s perimeter is 60 inches. Find the small sign’s perimete
Ulleksa [173]

The small sign's perimeter is 36 inches

Step-by-step explanation:

The scale factor between two figures is obtained by:

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So,

We know that

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Putting the values in the above equation of scale factor we get

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Cross multiplication

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Dividing both sides by 5

\frac{5P_s}{5} = \frac{180}{5}\\P_s = 36

Hence,

The small sign's perimeter is 36 inches

Keywords: Scale factor, Ratio

Learn more about scale factor at:

  • brainly.com/question/8799684
  • brainly.com/question/8805387

#LearnwithBrainly

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