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WITCHER [35]
3 years ago
7

Please solve the bottom 2 under the 2 that I've already done. 10 points!

Mathematics
1 answer:
postnew [5]3 years ago
5 0

Answer:

1.17

1.52

Step-by-step explanation:

you divide 3.51 by 3

you divide 9.12 by 6

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5. A painter uses paint and thinner in the ratio 60:40. He uses 15 litres of paint to paint a house. How much thinner will he us
JulijaS [17]
60u=15 litres
1u=15l÷60
=0.25l
40u=0.25l×40u
=10l
Ans:10 litres of paint thinner
3 0
4 years ago
Read 2 more answers
I will give brainiest help pls
Alika [10]

Answer:

it could be the 5th one !!

3 0
3 years ago
suppose that n is a positive integer written in base 10. prove that n is divisible by 3 if and only if the sum of its decimal di
Goshia [24]

Modulo - The result of multiplying the original number by three and the result of multiplying the digits by three must be the same.

What is modulo?

In mathematics, the phrase modulo, which literally means "with respect to a modulus of," is frequently used to claim that two different mathematical objects can be regarded as comparable if their difference is explained by a third component.

Using the Fermat's little theorem:

x^n-1 =(x-1)(x^{n-1}+x^{n-2}+....+x+1)

when x=10. You may easily establish the identity by multiplying it term by word. All terms cancel, excluding the first and last ones. Therefore, any power of ten minus one is divisible by nine, and consequently, by three

Now consider a multi-digit natural number, 43617 for example.

43617= 4*10^4+3*10^3+6*10^2+1*10+7

= 4*9999+3*999+6*99+1*9+(4+3+6+1+7)

Other than the sum of the digits, every term on the right is divisible by 3. The result of multiplying the original number by three and the result of multiplying the digits by three must be the same.

to learn more about exponents and power visit:

brainly.com/question/19120853

#SPJ4

5 0
2 years ago
Find four consecutive integers if the sum of the second and fourth is 48
pogonyaev

Answer:

Step-by-step explanation:

Let the four consecutive integers be

x ,x+1,x+2,x+3

According to the given statement the sum of 2nd and 4th is 48 so,

x+1+x+3=48

2x+4=48

2x=44

x=22

So the four consecutive integers are

x=22,

x+1=23,

x+2=24,

x+3=25

8 0
3 years ago
3 tickets to the museum cost $12.75. At this rate, what is the cost of 1 ticket? *
Shtirlitz [24]
Answer:

$4.25

Explanation:

You need to divide 12.75 by 3 in order to find the price of one ticket.
3 0
4 years ago
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