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slega [8]
3 years ago
12

Is brightness of light qualitative or quantitative

Mathematics
2 answers:
Marta_Voda [28]3 years ago
5 0
Brightness of light would be an example of a qualitative characteristic. Quantitative is more used with numbers for example, numbers of things, how many of something, while as qualitative is used for characteristics, such as, color, brightness.

Helpful hint: remember QUANT = HOW MANY OF
QUAL = QUALITY = LOOKS

Hope this helps! Let me know if you don't understand !
Bond [772]3 years ago
5 0
Brightness is Qualitative unless it is talking about wattage. because quantitative is numbers which is why 'quantit' is in the word because of the word quantity
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Answer:

3a. 7.2

3b. 0.9

4a. 7.2

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5a. 104

5b. 260

hope this helps, everything in bold is the correct answer,

have an awesome day, -TJ

6 0
2 years ago
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A water balloon is tossed into the air. The function h(x)=-0.5(x-4)squared +9 gives the height, in the feet, of the balloon from
NNADVOKAT [17]

Answer:

No, the maximum height that the balloon can reach is 9ft.

Step-by-step explanation:

Hi, to answer this question we have to analyze the information given:

The function h(x) =-0.5(x-4)² +9, is a Quadratic Function in the Vertex form.

Vertex form: f (x) = a(x - h) 2 + k

Where:

  • (h, k) is the vertex of the parabola-
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  • k represents the vertical shift (how far up, or down, the graph has shifted from y = 0).  

In this case a = -0.5, it means that the parabola opens downward and has a maximum point at the vertex.

So, the maximum height that the balloon can reach is k=9ft.

9 ∠ 12

The balloon will not hit the ceiling 12 ft above the pool.

Feel free to ask for more if needed or if you did not understand something.

8 0
3 years ago
Sam received $125 for his birthday. He spent $85 at the store and put the rest in the
anastassius [24]

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68%

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5 0
3 years ago
Researcher Sandy Beach found a correlation coefficient of +2.3 between variables X and Y. She is thrilled because that correlati
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7 0
3 years ago
The length of a rectangle is 3 times the width. If the length is decreased by 4 meters and the width is increased by 1 meter, th
olga nikolaevna [1]

Good morning☕️

______

Answer:

w is the width

L is the length

p is the perimeter

w=9

L=27

___________________

Step-by-step explanation:

p=2[(L-4) + (w+1)]

⇔p=2[(3w-4) + (w+1)]

⇔p=2[4w-3]

⇔p=8w-6

⇔66=8w-6

⇔8w=72

⇔w=9

Then L=3w=27

:)

6 0
4 years ago
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