Answer:
(-2)(4) - 7^2
-8-7^2
-8-49
=-57
Step-by-step explanation:
A way to add fractions that always works is to multiply each numerator by the denominator of the other, then express the sum of products over the product of the denominators.
Here, you have
The sum is -1 1/12
Answer:
first option
Step-by-step explanation:
The equation of a parabola in vertex form is
y = a(x - h)² + k
where (h, k) are the coordinates of the vertex and a is a multiplier
m(x) = - 2 (x - 6)² + 18 ← is in vertex form
with vertex = (6, 18 )
Answer:
-2/3 gallon/minute
Step-by-step explanation:
In three minutes the water volume has decreased by 2 gallons (7 less 5 is 2). The unit rate of decrease of the amount of water in the tank is thus:
- 2 gallons
------------------- = -2/3 gallon/minute
3 minutes
The tennis wall volley test has two 30-second trials, and a teacher is interested in analyzing the variation between them. The instructor will most likely determine the "intraclass correlation coefficient" statistic.
<h3>Explain the term intraclass correlation coefficient?</h3>
An indicator of the validity of the ratings for clusters is the intraclass correlation coefficient, abbreviated ICC.
- Data that is grouped together is referred to as a cluster. Instead than comparing two independent classes of data, ICC is used to detect correlations within a specific class of data.
- As was already noted, Pearson's r is the most often utilized correlation coefficient.
- When there are just one or two significant pairs from just one or two raters, Pearson's correlation coefficient is typically employed to measure inter-rater reliability.
- However, this intraclass correlation coefficient ought to be utilized if there are more pairs.
A tennis wall volley test has two 30-second trials, and a teacher is interested in analyzing the variation between them.
Thus, the instructor will most likely determine the "intraclass correlation coefficient" statistic.
To know more about the correlation coefficient, here
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