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alexandr1967 [171]
1 year ago
8

On the right side, give a reason to justify each step made on the left

Mathematics
1 answer:
cestrela7 [59]1 year ago
8 0

Given that: step 1

3x+12=8x-18

step 2: subtract 3x both side

\begin{gathered} 3x+12-3x=8x-3x-18 \\ 12=5x-18 \end{gathered}

Step 3: Add 18 both side:

\begin{gathered} 12+18=5x-18+18 \\ 30=5x \end{gathered}

Step 4: divide both side by 5

\begin{gathered} \frac{30}{5}=\frac{5x}{5} \\ 6=x \end{gathered}

Step:6 The value of x is:

x=6

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kirill115 [55]

The transformation(s) that can be used to map one triangle onto the other is : (C). dilation, then translation

<h3>Meaning of dilation and translation</h3>

Dilation can be defined as the process of compressing and reducing a shape to a particular scale

Translation can be defined as a process of transferring a shape from one point to another.

In conclusion, The transformation(s) that can be used to map one triangle onto the other is : (C). dilation, then translation

Learn more about dilation and translation: brainly.com/question/21369817

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2 years ago
Describe when to use a series and when to use an equation.
anyanavicka [17]

Answer:

An equation is used when we have paired sets of data to describe how the values in one pair change when we alter the values in the other set.

On the other hand, a series gives a general formula of determining the value of the nth observation when the values have been arranged in increasing order

Step-by-step explanation:

An equation such as; y = 3x+5 models the relation between the response variable y and the predictor variable x. It tells us how y changes when x is altered by a certain magnitude. The value 3 is described as the slope while 5 is the y-intercept.

On the other hand, a series such as;  score = 2 + 3n provides a general formula that can be used to determine the score of the nth individual in a sample or population.

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3 years ago
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Answer:

B. You shouldnt take a random sample of more than 5% of the population size.

Step-by-step explanation:

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However, the following are not true statements:

A. Random samples only generate unbiased estimates of long-run proportions, not long-run means. This is False, as there may be sampling error, when picking the sample, which will lead to bias estimates in the long run proportions

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D. If this question is voted out, the alternate option is "larger samples are always better than smaller samples, regardless of how the sample was collected." This is False, larger samples are not always better than smaller samples. In fact, they are often difficult to analyze and interpret.

E. Nonrandom samples are always poor representations of the population: This is False, depending on the expected outcome of the research study. Some research studies required the research to use Nonrandom samples to reach verifiable conclusion.

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3 years ago
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