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astra-53 [7]
3 years ago
14

Find the common ratio for this geometric sequence

Mathematics
2 answers:
RSB [31]3 years ago
7 0

<u>Answer:</u>

The correct answer option is A. 1/4.

<u>Step-by-step explanation:</u>

In a geometric sequence, the common ratio is found by dividing a term by its preceding term.

For the following given geometric sequence, we can find the common ratio by dividing the second term by the first one or by dividing the 3rd or 4th term by their respective preceding terms.

Common ratio = \frac {\frac { 1 } { 2 } } { 2 } = \frac { 1 } { 4 }

GenaCL600 [577]3 years ago
6 0

Answer:

A

Step-by-step explanation:

The common ratio of a geometric sequence is found by dividing any term (after the first term) by the term before it.

Let's take the 2nd term, 2, and divide it by the previous term, which is 8.

So

\frac{2}{8}=\frac{1}{4}

Thus, the common ratio = 1/4

Choice A is right.

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Which sphere has a volume of approximately 113.1 cubic inches?
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it's a glass ball r = 3 inches

Step-by-step explanation:

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Folds - Circle Cliffs, UT. Both monoclines and anticlines uplift and deform rock layers such that when eroded, certain ages of r
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Answer:the relative ages of the rocks exposed in the circle cliff area are given below.

1. older rocks are exposed in the center and younger rocks in the flanking flatirons.

2. younger rocks are exposed in the center and older rocks in the flanking flatirons.

Step-by-step explanation: this is because whenever older rocks are exposed in circle cliffs, exposure occur at the center while younger rocks will be exposed in the flanking flatirons at this time.

2. But when younger rocks are exposed in contrast to the older rocks, these younger rocks are exposed at the center while the older ones receive exposure at the flanking flatirons.

Note that both cases interchange, exposure of a particular rock occur at the center and the next category of rock receive theirs at flanking flatirons.

7 0
3 years ago
If the hypotenuse is c=a√2, then 6=a√2. In inches, what is the value of a?
Aloiza [94]

The value of a is 3√2 inches if it is given that the hypotenuse is c = a√2 and 6 = a√2. This can be obtained by using Pythagoras' theorem.

<h3>Calculate the value of a:</h3>

This question can be solved using Pythagoras' theorem,

If in a right angled triangle, hypotenuse is the longest side of the triangle and always opposite to the angle 90°, height and base are the two shorter sides which are adjacent to the angle 90°.

If hypotenuse = c, height = a and base = b then,

⇒ hypotenuse² = height² + base²

⇒ c² = a² + b²

Here in the question it is given that,

  • Hypotenuse of the triangle is c = a√2
  • 6 = a√2 in inches ⇒ c = 6
  • Height and base is equal and both has the value of a ⇒ height = a and base = a

By using the Pythagoras' theorem we can write that,

⇒ hypotenuse² = height² + base²

⇒  6² =  a² + a²

⇒  36 =  2a²

By dividing both sides of the equation by 2,

⇒  18 =  a²

⇒  a² = 18

By taking square on both side of the equation,

⇒ a = 3√2 inches

Hence the value of a is 3√2 inches if it is given that the hypotenuse is        c = a√2 and 6 = a√2.

Learn more about Pythagoras' theorem here:

brainly.com/question/9005379

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2 years ago
Express 4/10 as a decimal number, and identify another decimal number that is equal to it.
stiks02 [169]

Answer:

Answer: The fraction 4/10 written as a decimal number is equal to 0.4.

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Step-by-step explanation:

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Can you help me? the first who does and get it right gets brainlest
Hunter-Best [27]
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With those you can put it into slope-intercept form: y=2/3x-5
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