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Kitty [74]
3 years ago
8

Plzz answer I don't understand

Mathematics
1 answer:
nadezda [96]3 years ago
4 0
Height is 18 for question 3.
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Pls help me whats 45x57
Morgarella [4.7K]

Answer:

2565

Step-by-step explanation:

:)

5 0
3 years ago
Read 2 more answers
Situation: A DJ will play music. The DJ charges $20 per hour plus a $50 appearance fee. Represent the relationship
Colt1911 [192]
Total cost= 20x+50 x= number of hours
6 0
3 years ago
10.75 convert into fraction
sdas [7]
You should know that 10.75 is equal to 1075/100 so now you can simplify it and you will have:
1075/100 = 215/20 = 43/4 and that is the simplest form :)))
I hope this is helpful
have a nice day 
8 0
3 years ago
Read 2 more answers
Use prime factorisation to work out the square root 9604.
liraira [26]

Answer:

98

Step-by-step explanation:

To find the square root of 9604 using prime factorization we have to rewrite the number 9604 using a multiplication of prime factors.

Take the prime numbers in order from least towards greatest 2,3,5,7,11,13,...and check if they divide evenly with our number 9604.

→If the number <u>ends in an even number</u> is divisible by 2

is 9604 divisible by 2?   yes so do

   9604 /2 = 4802

is 4802 divisible by 2?   yes so do

   4802/2 = 2401

is 2401 divisible by 2? no so check the divisibility by 3 (second prime number)

→If the <u>sum of all digits is a multiple of 3</u> the number is divisible by 3

is 2401 divisible by 3?  

2+4+0+1 = 7 is not a multiple of 3 so no, so check divisibility by 5

→If the number <u>ends in 0 or 5 </u>is divisible by 5

is 2401 divisible by 5?   no so check divisibility by 7

→If the <u>difference of the number without the last digit and double of the last digit </u>is a multiple of 7 then the number is divisible by 7

is 2401 divisible by 7

240- 2*1 = 240 -2 = 238

23-2*8 = 23-16 = 7  so yes the number 2401 is divisible by 7

2401/7 = 343

is 343 divisible by 7 yes because 34-2*3= 34-6 = 28 is a multiple of 7

343/7 =49

is 49 divisible by 7 yes

49/7 = 7

is 7 divisible by 7 yes

7/7 = 1

The number 9604 can be written as

9604 = 2*2* 7*7*7*7

The square root 9604 is

√9604 = √2*2*7*7*7*7 = 2*7*7 = 98

3 0
2 years ago
I need some help with these, I would appreciate it.
Anni [7]
The first one I think is B

6 0
3 years ago
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