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Llana [10]
3 years ago
15

Identify each of the following variables as categorical or quantitative. a. Noise levels in a city (in decibels )b. Dream vacati

on location c. Favorite baby name d. Calories in a cheese danish
Mathematics
1 answer:
Colt1911 [192]3 years ago
6 0

Answer:

a. Quantitative variable.

b. Categorical variable.

c. Categorical variable.

d. Quantitative variable.

Step-by-step explanation:

Categorical variables are usually labels or words that describe a property.

Quantitative variables are countable numeric values and represent some sort of measurement. (Note that numbers can also be categorical variable if they are used to simply label something instead of providing numeric value.)

a. Noise levels in a city (in decibels )

Represents the amount of noise in a countable quantity, Quantitative variable.

b. Dream vacation location

Represents the name of a place, Categorical variable.

c. Favorite baby name

Represents the name of a person, Categorical variable.

d. Calories in a cheese Danish

Represents the amount of calories in cheese Danish in a countable quantity, Quantitative variable.

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ELEN [110]
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3 0
3 years ago
The table can be used to determine the solution to the system of equations, 2y − x = 8, and y − 2x = −5. Which solution can be u
SIZIF [17.4K]
The answer is (6, 7)

This is the system of two equations:
<span>2y − x = 8
y − 2x = −5
_____
Express the second equation in the term of y:
2y - x = 8
y = 2x - 5
_____
Substitute y in the first equation:
2(2x - 5) - x = 8
4x - 10 - x = 8
4x - x = 10 + 8
3x = 18
x = 18/3
x = 6

Since x = 6 and y = 2x - 5, then:
y = 2 * 6 - 5 
y = 12 - 5
y = 7

Therefore, (x, y) = (6, 7)</span>
4 0
3 years ago
The vertex of ∠A B C is located at the origin. Point A is located at (5,0) and Point C is located at (0,2). How can ∠A B C be cl
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As the angle is greater than 0° and less than 90°, then the angle ABC is acute. (Answer: A)

<h3>How to determine the features of an angle set on Cartesian plane</h3>

Herein we find the locations of the three vertices of the figure, of which we must determine the lengths of the two sides of the angle and determine the value of the angle by trigonometry:

BA = 5, BC = 2

θ = tan⁻¹ (BA / BC)

θ = tan⁻¹ (5 / 2)

θ ≈ 68.199°

As the angle is greater than 0° and less than 90°, then the angle ABC is acute. (Answer: A)

To learn more on acute angles: brainly.com/question/2761036

#SPJ1

8 0
1 year ago
Solve for x <br>12x+7 &lt; -11 OR 5x-8 &gt; 40
ella [17]
<span>12x+7 < -11:
Subtract 7 from each side.
12x+7 < -11
      -7     -7
12x < -18
Divide each side by 12.
12x < -18
-----    -----
12       12
x < -1.5 or x < -3/2
</span><span>5x-8 > 40:
Add 8 to each side.
5x-8 > 40
   +8    +8
5x > 48
Divide each side by 5.
5x > 48
----   ----
 5      5
x > 9.6
Please mark Brainliest if this helped.</span>
7 0
3 years ago
Read 2 more answers
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