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Romashka-Z-Leto [24]
3 years ago
5

50p thanks to whoever helps :)

Mathematics
1 answer:
barxatty [35]3 years ago
4 0

Answer:

1. 1+(2+3)

2. (1 +2)+3

3. (2*3)*4

4. 2*(3*4)

5. 3*2

6. 2+1

7. 2(x+3)

8. 4x+3

9. (4*3)+(4*2)

10. (-2*5)+(-2*x)

11. (3*10)-(3*y)

12. (-3*4)-(-3*x)

13. commutative property

14. commutative property

15. distributive property

16. associative property

17. 1+(-3)

18. 4+3

19. -(-4-3)

20. -4+3

Hope this helps

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Anettt [7]

Answer:

28.26m^2 (aka. 28.26 meters squared)

Step-by-step explanation:

The area of a circle is A=pi*r^2 where r is the radius of the circle.

Since r=3, then A=pi*3^2=9pi=28.26

Therefore, the area of the merry-go-round is 28.26 square meters

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2 years ago
How would you teach something you have learned this year in Math to someone younger than you? Write more than 5 sentences
rewona [7]

Answer:

ok here ya go

Step-by-step explanation:

A way that I would teach someone something that I learned in math this year to someone else is simple. I would start by writing everything out so that they have a visual of what I am teaching them. I would also use a visual of a real world situation so that it relates to something they would understand. Teaching someone younger than you means they probably will not understand as easy as you understood it so, I would be very slow and make sure if they are confused to help them. I would also make sure not to be too bossy, understanding that they may not understand and that is ok.

5 0
2 years ago
(25 POINTS) 10. Find the sum of the arithmetic sequence. 5, 7, 9, 11, ..., 23​
Taya2010 [7]

Answer:

Sum = 140

Step-by-step explanation:

We find all the terms, we know that every consecutive term, we add 2 until we reach 23:

Sum = 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23

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2 years ago
Select the property of equality used to arrive at the conclusion. If x = 3, then x 2 = 3x
VARVARA [1.3K]
I think it would be the Multiplication property of equality
4 0
3 years ago
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What is the best approximation for the circumference of a circle with a radius of 125 m?
ANEK [815]

Answer:

Option B is correct

circumference of a circle is 785 m

Step-by-step explanation:

Circumference of the circle(C) is given by:

C = 2\pi r

where

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As per the statement:

radius of the circle is 125 m

then substitute in [1] we have

C = 2 \cdot 3.14 \cdot 125

Simplify:

C = 785 m

Therefore, the circumference of a circle is 785 m

8 0
3 years ago
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