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cluponka [151]
3 years ago
10

In right triangle ABC, ZC is a right angle, m ZA = 52, AC = 10.01, and AB = c.

Mathematics
1 answer:
nlexa [21]3 years ago
6 0

Answer:

The measurement of AB is 16.25 units.

Step-by-step explanation:

In right triangle ABC, ∠C is a right angle, m∠A = 52° , AC = 10.01, and AB = c.

We need to find the measurement of AB.

∠C is a right angle, it means AB is hypotenuse.

In a right angle triangle,

\cos \theta=\dfrac{Base}{Hypotenuse}

\cos A=\dfrac{AC}{AB}

\cos (52^\circ)=\dfrac{10.01}{c}

0.616=\dfrac{10.01}{c}

c=\dfrac{10.01}{0.616}

c=16.25

Hence, the measurement of AB is 16.25 units.

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What is always true about a line that slants downward from left to right?
Maslowich

Answer:

A

Step-by-step explanation:

Image result for what is always true about a line that slants downward from left to right

A line that slants down from left to right has a negative slope. Horizontal and vertical lines also have a slope. A horizontal line has a change in x, but it does not have a change in y. The slope of a horizontal line is 0.

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3 years ago
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Give a vector parametric equation for the line through the point (−2,−4,0) that is parallel to the line ⟨−2−3t,1−4t,−5t⟩:
eimsori [14]

The tangent vector for the given line is

<em>T</em><em>(t)</em> = d/d<em>t</em> ⟨-2 - 3<em>t</em>, 1 - 4<em>t</em>, -5<em>t</em>⟩ = ⟨-3, -4, -5⟩

On its own, this vector points to a single point in space, (-3, -4, -5).

Multiply this vector by some scalar <em>t</em> to get a whole set of vectors, essentially stretching or contracting the vector ⟨-3, -4, -5⟩. This set is a line through the origin.

Now translate this set of vectors by adding to it the vector ⟨-2, -4, 0⟩, which correspond to the given point.

Then the equation for this new line is simply

<em>L</em><em>(t)</em> = ⟨-3, -4, -5⟩<em>t</em> + ⟨-2, -4, 0⟩ = ⟨-2 - 3<em>t</em>, -4 - 4<em>t</em>, -5<em>t</em>⟩

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3 years ago
For a moving object, the force acting on the object varies directly with the object's acceleration. When a force of 63 N acts on
Luba_88 [7]

Answer:

18 N

Step-by-step explanation:

Let <em>F</em> denote the force, <em>m</em> denote the mass of the object and <em>a </em>denote the acceleration of the object.

<em />F=ma<em />

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3 years ago
Scores on the final in a statistics class are as follows.
IgorLugansk [536]

Answer:

Kindly check explanation

Step-by-step explanation:

Calculate the 25th, 50th, and 75th percentiles.

b. Calculate the interquartile range.

c. Construct a boxplot. Are there any outliers?

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25, 40, 52, 55, 60, 70, 70, 72, 74, 75, 75, 80, 80, 85, 85, 86, 87, 90, 92, 99

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1/4 (n + 1)th, tetm

n = 20

1/4(21) = 5.25th term

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1/2 (n + 1)th, tetm

n = 20

1/2(21) = 10.5th term

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3/4 (n + 1)th, tetm

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7 0
3 years ago
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Nadusha1986 [10]

Answer:

x has a value of 71, making D the correct answer.

Step-by-step explanation:

Because this is an isosceles triangle, we know that the bottom two angles are equal.  We also know that the sum of the angles inside a triangle will always come to 180°.  With that in mind, we can simply subtract 38° from 180° and divide by two to get the correct answer.

x = (180 - 38) / 2\\= 142 / 2\\= 71

So the correct answer is D, 71 degrees.

8 0
3 years ago
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