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belka [17]
3 years ago
9

Pleasee explainnnn #23 ​

Mathematics
1 answer:
Lelu [443]3 years ago
5 0
Volume of a triangular pyramid is v=1/3AH so the answer is 8
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Suppose the area of a circle is 4π. What is its diameter?
mart [117]
Area=pi times radius^2 so

if area=4pi=pi times r^2
4 times pi=r^2 times pi
divide both sdies by pi
4=r^2
square root
2=radius since legnth cannot be negative

radius=1/2 diamters
2 radius=diameter
2(2)=diameter=4
diameter=4
6 0
3 years ago
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A one year membership to Metro Gym costs $460. There is a fee of $50 when you join and the rest is payed monthly. How much do th
dexar [7]
Wouldn't it be $34.17? 
5 0
3 years ago
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Which value of x is a solution to x2<br> = 16?
Helga [31]

Answer:

8

Step-by-step explanation:

if we take the 2 that is in the R.H.S and put it in L.H.S

it becomes 16÷2=8

8 0
3 years ago
1 + 1 ? please help me
user100 [1]

Answer:

1+1=2 so the answer is 2

5 0
3 years ago
Mark read 2 1/2 books last week. This week he read 3 1/3 books. How many more books did Mark read this week and last week?
nikklg [1K]

Answer:

5/6 books

Step-by-step explanation:

We know that Mark read 2 1/2 books last week. This week, he read a bit more with 3 1/3 books.

To find how many more books he read, we must subtract 2 1/2 from 3 1/3:

3 1/3 - 2 1/2

Let's convert these into improper fractions first:

3 1/3 = (3 * 3 + 1) / 3 = 10/3

2 1/2 = (2 * 2 + 1) / 2 = 5/2

Now, we have:

10/3 - 5/2

In order to subtract these, we must find a common denominator. For 2 and 3, the LCM is 6, so we can use that as our common denominator:

10/3 * 2/2 = 20/6

5/2 * 3/3 = 15/6

Finally, we have:

20/6 - 15/6 = (20 - 15) / 6 = 5/6 books

5 0
3 years ago
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