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sveticcg [70]
3 years ago
15

Which of the following pairs are perpendicular? Select all that apply.

Mathematics
1 answer:
Blababa [14]3 years ago
3 0

1st is parallel

2nd is perpendicular

3rd is perpendicular

4th is parallel

5th is perpendicular

6th is perpendicular

2nd, 3rd, 5th, and 6th

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4

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Which equation could have been used to create this function table?
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y = x+2 is your answer

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you add two to x to get y

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The table shows a proportional relationship between the number of stars Roberto collects in a game and his total points. A row o
maks197457 [2]

Answer:

1) 20 stars; 30 points.

2) 28 stars, 42 points.

3) 38 stars, 57 points.

Step-by-step explanation:

<h3> The missing table is attached.</h3>

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y=kx

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We can choose the point (8,12) from the table, where:

x=8\\y=12

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 12=k(8)\\\\\frac{12}{8}=k\\\\k=1.5

Knowing the value of "k", we determine that the  following Numbers of stars and the Total points could be used as the missing values in the table:

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y=(1.5)(20)=30

2) For x=28 :

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Cobert 5 feet to to meters to the nearest hundredths place​
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There is 30 cm in a foot and 5 feet times 30 is 150. There is 100 cm in a meter so 150/100 is 1.5 meters.
6 0
3 years ago
A gambling casino is designed in the shape of a square pyramid with a side length of 75 ft. The height of the building is 28 ft.
irakobra [83]

Answer:

Step-by-step explanation:

Given the dimension of a square pyramid

Length of pyramid

L = 75 ft

Height of pyramid

H = 28ft

The pyramid is a square base

Then,

Volume of a pyramid is calculated using

Volume = base area × height

Since base is a square, then the area of a square is

Area = L² = 75² = 5625 ft²

Then,

Volume = base Area × height

Volume = 5625 × 28

Volume = 157,500 ft³

Then, given the rate of volume to be

dV / dt = 26,250 ft³ / hr

So, we want to find the time the system will filled the air

dV / dt = 26,250

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When V = 157,500 ft³

Then,

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t = 6 hours

So, it will take 6 hours for the system to circulate the room

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