una pieza de tela mide 15 metros de largo por 1.5 metros de ancho ¿cuánto mide la superficie de tela?
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Answer:
Largo = 15 m. Ancho= 1.5 m
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An automobile traveling 95 km/h overtakes a 1.00km long train travelling in the same direction on a track parallel to the road. if the train's speed is 75km/h, how long does it take the car to pass it and how far will the car have traveled in this time? what are the results if the car and train are traveling in opposite directions?
Write the vertex form equation for this parabola: Focus (3,-9), Directrix X=-3
factor completely 4x5 − 20x4 − 36x3. 4(x5 − 5x4 − 9x3) x3(4x2 − 20x − 36) x2 − 5x − 9 4x3(x2 − 5x − 9)
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and from commments we know tat it is ellipse
since major axis is y direction ( and center (0,0)), it is a vertical ellipse
in form
where a is the distance from the center to major axis end
b is distance of minor axis
and a>b always for ellipse
from (0,0) to (0,6) is 6 units, major axis
from (0,0) to (3,0) is 3 units, minor axis
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Answer:
Undefined
Step-by-step explanation:
This is just a vertical line when mapped from the data points given, therefore it has an undefined slope.
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Factor completely = x·(vw+wy-yz)
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a strong positive correlation
a weak negative correlation
a strong negative correlation
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The correct answer is:
a weak positive correlation
Explanation:
An r-value, or correlation coefficient, tells us how closely the regression fits the data. R-values range from -1 to 1; -1 indicates a perfect negative fit, while 1 indicates a perfect positive fit. The closer a negative r-value is to -1, the better the fit; the closer a positive r-value is to 1, the better the fit. The closer either of these are to 0, the weaker the fit.
Since 0.29 is positive, this is an increasing fit. Since it is closer to 0 than 1, it is a weak fit.
A model with an r-value of 0.29 represents a weak positive correlation
How to interpret the correlation?
The correlation coefficient has its value to be from -1 to 1
The correlation coefficient is given as:
r = 0.29
The closer the value to 0, the weaker the correlation.
0.29 is closer to 0, than it is to 1
And 0.29 is positive
Hence, a model with an r-value of 0.29 represents a weak positive correlation
Read more about correlation at:
#SPJ5
Answers
Answer:
Part 1) The system of equations that represent this situation is equal to
b+p=42 and 5b+2p=144
Part 2) 20 binders were sold
Step-by-step explanation:
Let
b -----> the number of binders sold
p -----> the number of pencil pouches sold
Part 1)
we know that
The system of equations that represent this situation is equal to
b+p=42
5b+2p=144
Part 2) How many binders were sold?
we have
b+p=42
p=42-b ------> equation A
5b+2p=144 -----> equation B
substitute equation A in equation B
5b+2(42-b)=144
5b+84-2b=144
3b=144-84
3b=60
b=20 binders