3 years ago

Help needed ASAP plz plz

Mathematics

1 answer:

s2008m [1.1K]3 years ago

6 0

The answer is A, -2/3

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ILL GIVE BRAINLIEST 5y= x + 6 solve

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Answer:

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3 years ago

If the coefficient of determination for a data set containing 24 points is 0.5,

aleksandrvk [35]

Answer:

False

Step-by-step explanation:

False - one has nothing to do with the other. None of the data points can lie on the regression line,

and you can have the coeff. of determination be 0.5.

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Step-by-step explanation:

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3. A kite is aloft at the end of a 1500 foot string. The string make an angle of 43° with the

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Answer:

$h= 1500\,*\,sin(43^o)$

Step-by-step explanation:

Notice that there is a right angle triangle formed with sides as follows:

hypotenuse is the actual 1500 ft string. The acute angle 43 degrees is opposite to the segment that represents the height of the kite from the ground. Therefore, the trigonometric ratio that we can use to find that opposite side to the given angle, is the sine function as shown below:

$sin(43^o) = \frac{opposite}{hypotenuse} \\sin(43^o) = \frac{opposite}{1500}\\opposite = 1500\,*\,sin(43^o)\\h= 1500\,*\,sin(43^o)$

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Find the volume of the solid to the nearest unit.

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Area of the cross section (Trapezium) :

1/2 (6 + 11) x 3 = 25.5 cm²

Volume = area x height = 25.5 x 3 = 76.5 cm³

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3 years ago