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maria [59]
3 years ago
14

Four out of 25 people are left-handed. In a school of 400 people, how many would you expect to be

Mathematics
2 answers:
Harrizon [31]3 years ago
8 0

Answer:

64 would be left handed

Step-by-step explanation:

16 times 4 is 64

Tju [1.3M]3 years ago
4 0

Answer:

devide the 25 out of 400 and then devide what is left and then... u get the answer

Step-by-step explanation:

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borishaifa [10]

Answer:

the answer is x power 6/y power 3

5 0
3 years ago
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Find the area of the shaded region. Express your answer in terms of π.
Bogdan [553]

Answer:

335.115

Step-by-step explanation:

First you find the area of the circles to do that you do pi times radius squared

For the top square do 3.14(pi)time 3²=28.26

For the middle square do 3.14 times 4.5²=63.585

For the bottom square do 3.14 times 6²=113.04

Now find the area of the entire thing do 18×12+9+6+3=18×30=540

Finally do 540-the area of the squares 28.26-63.585-113.04= 335.115

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Hope this helps and have a great day!

6 0
3 years ago
Ax-4y=-1. (6,1) find coefficient write complete equation
Rom4ik [11]
I think the answer is a=2
7 0
3 years ago
7(3b-1)=2b-26 please help and give me step by step ☺️​
Colt1911 [192]

Answer:

b = -1

Step-by-step explanation:

7(3b-1): 7 goes into the numbers by multiplying. This will give you 21b-7.

So now the equation should be like 21b-7=2b-26.

-7 and 2b swap places, making 21b-2b=7-26. It will give you 19b= -19.

Finally divide the two numbers (-19 / 19) and the solution will be b= -1.

If I didn't make a clear answer or a good explanation, please comment. I sometimes mess up my steps, and this is my first time using this.

5 0
3 years ago
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Hello! :)
bazaltina [42]

Answer:

8x-2y

Step-by-step explanation:

3x4y+5x+2y

Simplify

1 Combine like terms

3x4y+5x+2y

8x-4y+2y

2 Combine like terms

8x-4y+2y

8x-2y

Solution

8x-2y

Hope this helps!

Don't forget to mark me as Brainliest.

4 0
1 year ago
Read 2 more answers
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