FORMULAS
Surface Area (Circle): Radius x Radius x 3.14 (Radius = Diameter / 2)
Surface Area (Rectangle/Square): Length x Width
Volume (Circle/Rectangle/Square): Surface Area x Average Depth x 7.5
Average Depth: (Shallow Depth + Deep Depth) ÷ 2
(Note: Constant Depth = Average Depth)
The answer is Internal Validity.
Internal Validity is high in an experiment. when it demonstrates persuasively that changes in behavior are caused by the independent variable and not by unknown factors.
What is Internal Validity?
- Internal validity is defined as the degree to which the observed results represent the truth in the population under investigation and are not the consequence of methodological flaws.
- Internal validity is the degree of certainty that the causal link being examined is reliable and unaffected by other factors or variables.
- The extent to which study results may be extended (generalized) to other contexts, groups, or events is referred to as external validity.
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Answer:
the answer is -3x² caused when -x divide with 3x it will became -3x²
For the given values $55 spent on the soccer team on supplies and they earned $275 on car wash including all the tips they got. Solution:-55 (because of the expense of the team on supplies) + 275 (because of the profit of car wash business of the team)-55 +275 = 220 The team car wash profit is $220 after paying for the supplies.An integer is a whole number that can be negative, positive, or can also be zero. An Integer cannot be fraction or decimal, it is any number that can be written without a fractional component. A sum of an integer using the formula (N(N + 1))/2, it is the simplified form.
Answer:
Convenience sampling
Step-by-step explanation:
Convenience sampling is a type of non-probability sampling method that is used base on the ease of access to subjects or people. The only criteria is whether the participants agree to participate. It is the most commonly used sampling technique because it is readily available, easy to access, prompt, uncomplicated, and economical. Although it is not often recommended for research because of sampling error possibility and lack of representation of population. Examples of convenience sampling are sharing flyers of upcoming events or promotion in a shopping mall, asking people to answer questions in a store, online and offline survey and collecting market research data from a conveniently available pool of respondents.
Considering, Upper A magazine asks its readers to call in their opinion regarding the quality of the articles is a convenient way of collecting market research data from available readers who may agree to participate. Therefore, the sampling is a convenience sampling.
