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ddd [48]
3 years ago
8

Which three-dimensional object is formed when the shape is rotated about the axis as shown?

Mathematics
1 answer:
Alinara [238K]3 years ago
7 0

Answer:

Pyramid

Step-by-step explanation:

Hope this helps!

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At one time during 2001 for every 20 copies of Harry Potter and the Sorcerer's Stone that were sold 13.2 copies of Harry Potter
Airida [17]
In order to solve this, you have to take the number of copies of the Prisoner of Azkaban and divide it by the number of copies of the Sorcerer's Stone:
13.2÷20=0.66
To get this into a percentage, multiply the 0.66 by 100, and get 66%, meaning that The Prisoner of Azkaban was sold only 66% as much as The Sorcerer's Stone.
5 0
3 years ago
Cost price of a chair and table is rupee 490. If the cost of the chair is rupee 50 less than the cost of the table, find the cos
densk [106]

Answer:

Step-by-step explanation: sorry I don't give answers to you but I not love you why you are a baby

4 0
3 years ago
The chemistry class was making 300 gallons of 30% isopropyl alcohol. They mixed 12% with 42%. How much of each did they use?
alexgriva [62]

Answer:

<u>The chemistry class mixed 120 gallons of 12% isopropyl alcohol and 180 gallons of 42% isopropyl alcohol.</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Amount of isopropyl alcohol made by the chemistry class = 300 of 30%

Amount of 12% isopropyl alcohol mixed by the chemistry class = x

Amount of 42% isopropyl alcohol mixed by the chemistry class = 300 - x

2. How much of each did they use?

Let's write our equation to solve for x, this way:

30% = 0.3, 12% = 0.12, 42% = 0.42

0.12x + 0.42 (300 - x) = 0.3 * 300

0.12x + 126 - 0.42x = 90

-0.3x = 90 - 126

-0.3x = -36

x = -36/-0.3

<u>x = 120 ⇒ 300 - x = 180</u>

<u>Let's prove x = 120 is correct</u>

0.12x + 0.42 (300 - x) = 0.3 * 300

0.12 * 120 + 0.42 (300 - 120) = 0.3 * 300

14.4 + 75.6 = 90

90 = 90

<u>We proved x = 120 is correct</u>

5 0
3 years ago
Helppppppppppppp meeeee pleaseeeeeee
Arte-miy333 [17]

Answer:

I'm pretty sure it's the first and last one

3 0
3 years ago
Question 3 (3 points) <br> Solve 8 = 2x + 4. (3 points)
mrs_skeptik [129]

X=2

-4 on both sides

4=2x

divide by 2 on both sides

X=2

5 0
3 years ago
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