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Readme [11.4K]
3 years ago
15

The museum of natural history has an auditorium that can seat 200 people. A class of 45 students is seated in the auditorium for

a lecture. What decimal represents the portion of the seats in the auditorium that are empty ?
Mathematics
1 answer:
Sophie [7]3 years ago
5 0

Answer: 1.55

Step-by-step explanation:70 percent sure, might be .155

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Please help!
r-ruslan [8.4K]

Answer:

number less than 3=1 and 2

so 2/6 = 1/3 in lowest terms

then rolling a 6 =

there is only one 6 so it will be 1/6

I hope I helped

7 0
3 years ago
Zalma’s stock investment in March was $120. In October, it was $400.
Goryan [66]

Answer:

In December, Zalma will have $480.

Step-by-step explanation:

The time from March to October is 7 months. In those 7 months, she gains $280. So every month, her investment gains $40.

The time from March to December is 9 months. She will gain $360 during that time. We add her initial $120 with the $360, and Zalma will have $480.

It's not confirmed, but it's what I got. :D

8 0
3 years ago
Read 2 more answers
The chairlift at a ski resort rises a total of 2600 feet from where it starts. The angle of elevation is about . How far do ride
MArishka [77]
<span>Since 3100/1.4*5280=3100/7392=24.8 degrees for the angle of the ski slope.</span>
7 0
3 years ago
If no (A) = 40%, no (B) = 30%, n (A∩B) = 20% then find n (<br> (A B)<br> using formula.
Vesnalui [34]

Answer:

solution:-We know that for any two finite sets A and B, n(A∪B)=n(A)+n(B)−n(A∩B).

Here, it is given that n(A)=20,n(B)=30 and n(A∪B)=40, therefore,

n(A∪B)=n(A)+n(B)−n(A∩B)

⇒40=20+30−n(A∩B)

⇒40=50−n(A∩B)

⇒n(A∩B)=50−40

⇒n(A∩B)=10

Hence, n(A∩B)=10

Step-by-step explanation:

hope it helps you friend ☺️

8 0
2 years ago
Read 2 more answers
Rectangle with area of 12 square units is dilated by a scale factor of 3. What is the area?
Olegator [25]

Answer:

36 units²

Step-by-step explanation:

rectangle with area of 12 square units is dilated by a scale factor of 3. What is the area?

Scale factor = Dimension of the new shape ÷ Dimension of the original shape.

we use the inverse formula

12 * 3 =<em> </em>

<em>36 units²</em>

<em>-----------------------</em>

check

36 : 12 = 3

the answer is good

7 0
2 years ago
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