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2 years ago

Determine if the sequence is arithmetic or geometric. Then identify the next term in the sequence 0.2, 1, 5, 25,…

Mathematics

2 answers:

Tatiana [17]2 years ago

4 0

Answer:

C. geometric; 125

Step-by-step explanation:

first term(a) = 0.2

common ratio (r) = 1 / 0.2 = 5

now

Tn = ar^ n -1

t5 = 0.2 * 5^ 4

= 125

hope it helps :)

ra1l [238]2 years ago

3 0

C. Geometric 125

0.2, 1, 5, 25, 125

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A random sample of museum visitors were asked whether they will purchase tickets to an upcoming exhibit. The resulting confidenc

Vladimir [108]

Answer:

the margin of error is 0.05

Step-by-step explanation:

Margin of error = confidence interval ÷ 2

MOE = CI ÷ 2

Confidence interval CI = 0.2 - 0.1 = 0.1

MOE = CI ÷ 2 = 0.1 ÷ 2 = 0.05

the margin of error is 0.05

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2 years ago

Find each function value f(-4) if f(x) = -5x - 3

Firlakuza [10]

Answer: f(-4) = 17

Step-by-step explanation: Substitute (-4) for x.

f(-4) = -5(-4) - 3
f(-4) = 20 - 3
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2 years ago

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The length, in millimeters of each side of a square shaped electronic chip is a rational number. What statement is true about th

AVprozaik [17]

Answer:

The diagonal is irrational because it is a product of a rational and an irrational number

Step-by-step explanation:

The options are not given. However, the question is still answerable.

Given

Shape: Square

Length: Rational

Since the side length is said to be rational, I'll answer the question based on whether the diagonal is rational or not.

Having said that:

The diagonal (d) of a square with side length (l) is calculated using Pythagoras theorem.

$d^2 = l^2 + l^2$

$d^2 = 2l^2$

Take positive square root of both sides

$d = \sqrt{2l^2}$

Split:

$d = \sqrt{2} * \sqrt{l^2}$

$d = \sqrt{2} *l$

Recall that the side length (l) is rational.

However, $\sqrt 2$ is irrational.

So, the product of l and $\sqrt 2$ will be irrational

Hence:

The diagonal is irrational

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3 years ago

Look at this shape:which image shows a reflection?

masha68 [24]

Answer:

C shows the reflection.

Hope this helps! :)

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2 years ago

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In a particular game of chance, a wheel consists of 42 slots numbered 00, 0, 1, 2,...,40. To play the game, a metal ball is

Nikolay [14]

Answer:

The sample space for one spin of this game is: S = {00, 0, 1, 2, 3,…, 40}

Step-by-step explanation:

Consider the provided information.

In probability theory, the set of all possible outcomes or outcomes of that experiment is the sample space of an experiment or random trial. Using set notation, a sample space is usually denoted and the possible ordered outcomes are identified as elements in the set.

Here the possible number of elements in the set are 00, 0, 1, 2,...,40

The sample space is anything the ball can land on.

Thus, the sample space for one spin of this game is: S = {00, 0, 1, 2, 3,…, 40}

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3 years ago