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arsen [322]
3 years ago
7

Why do square numbers not end in 2, 3, 7 or 8. Why is it so that to identify whether a number is a square or not you look at the

last digit of the number.
Mathematics
1 answer:
Maksim231197 [3]3 years ago
3 0

Answer:

I don't know dear

I am Korean can you tell in Korean language

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(5 ×5×5)×-1= simplify
kogti [31]

Answer: -125


Step-by-step explanation:

(5*5*5)*-1

(25*5) *-1

125 * -1

-125

6 0
3 years ago
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You earn $15 per hour to babysit. After babysitting for 3 hours, you will earn $50. Write an equation to represent the relations
vfiekz [6]

Answer:

Step-by-step explanation:

x=50 hope it hleps

7 0
2 years ago
A sector of a circle of radius 6cm subtends an angle in of 105 at the centre of the circle.Calculate
Snowcat [4.5K]

Answer:

c

Step-by-step explanation:

the perimeter of the sector

8 0
3 years ago
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This table shows numbers of sweets in some tubes, but a coffee stain has deleted one of the figures.
svlad2 [7]
To get the answer, you need to think of it like a see-saw.
Both sides must equal the same relative to 33.5. For example, 32 is 1.5 away from 33.5 so you could say you have 1.5*4 (because theres 4 tubes with 32 sweets). If you were to do this for the whole table, it would look something like this:

(1.5*4)+(0.5*x)=(0.5*9)+(1.5*1)+(2.5*1)

This simplifies to:

6+0.5x=8.5
0.5x=2.5
x= \frac{2.5}{0.5}
x=5

This method can sometimes be inefficient depending on how many values but is probably the simplest way to solve this problem.

hope this helps :)

(sorry the other way is kinda hard to explain possibly ask your teacher tomorrow)
6 0
3 years ago
Please help i will mark brain list
Lina20 [59]
The answer would be 150
6 0
3 years ago
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