Which ordered pairs are on the line 4x−3y=8 ? Select each correct answer.
2 answers:
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Answer: 64% of the variability in weight can be explained by the relationship with height.
Step-by-step explanation:
- In statistics, Correlation coefficient is denoted by 'r' is a measure of the strength of the relationship between two variables.
- Coefficient of determination,
, is a measure of variability in one variable can be explained variation in the other.
Here, r= 0.80
That means 64% of the variability in weight can be explained by the relationship with height.
Answer:
The area of trapezoid is 72 cm²
Step-by-step explanation:
Given : A trapezoid with given dimensions.
We have to find the area of trapezoid ABCD.
Consider the given trapezoid ABCD ,
AB = EF = 8 cm
and CE = FD = 4 cm
Then CD = CE + EF + FD = 4 + 8 + 4 = 16 cm
Thus, Area of trapezoid =
here, height = 6 cm
and sum of parallel sides = AB + CD = 16 + 8 = 24 cm
Thus, Area of trapezoid =
Simplify, we have,
Area of trapezoid = 72 cm²
Thus, The area of trapezoid is 72 cm²
Usando conceptos de funciones lineales, se encuentra que hizo 5 cortes.
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Una funcion lineale tiene el seguiente formato:
En que:
- a eres lá inclinacion, o sea, lo que es pago por cada corte.
- b eres el intercepto, o sea, lo pagamiento fixo por día.
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- Pagan $50 por corte realizado, o sea,
.
- $25 fixo al día, o sea,
Entonces, la funcion de su recibimiento y, como funcion de su numero de cortes x, es da por:
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- Recibió $275, o sea,
Entonces, el numero de cortes es:
Realizó 5 cortes.
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