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e-lub [12.9K]
3 years ago
11

Is 468 divisible by 3?

Mathematics
2 answers:
elena-s [515]3 years ago
6 0
To be divisible means that when you divide 468 by 3, the remainder is 0 (or the quotient is a whole number). 468/3 = 156, so yes, 468 is divisible by 3. 

With 3 specifically, there's a trick you can use without actually dividing. If you add up the digits of any number, the number is divisible by 3 if the sum of the digits is divisible by 3. 4+6+8 = 18. It's a little easier to see that 18 is divisible by 3 because it's a smaller number than 468, so that's a helpful thing to know. 18/3 = 6, showing that 468 is also divisible by 3.
Vinvika [58]3 years ago
3 0
Yes you would get 156
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What are the solutions of this equation 16-2x^2=-64
xenn [34]

Answer:

x = ± 2\sqrt{10}

Step-by-step explanation:

Given

16 - 2x² = - 64 ( subtract 16 from both sides )

- 2x² = - 80 ( divide both sides by - 2 )

x² = 40 ( take the square root of both sides )

x = ± \sqrt{40} = ± \sqrt{4(10)} = ± 2\sqrt{10}

5 0
3 years ago
for her book club, Sharon reads for 45 minutes each day. write an expression for the number of hours she reads in d days
Dafna1 [17]
N=(3/4)*h*d

--------------------

n=Number of hours she reads

h=Hour(s)

d=Days

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You see, with this formula - when d=2,

n=(3/4)*h*2=(6/4)*h=(3/2)*h=1.5 hours

So, in the space of 2 days, she had spent 1.5 hours reading.
5 0
3 years ago
Read 2 more answers
A sports club has 38 members. They all play either squash or tennis.
Brut [27]

Step-by-step explanation:

Since we have given that

Total number of members in a sports club = 38

Number of women in the club = 14

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Number of men play tennis = 8

Since they all play either squash or tennis.

Total number of men in the club is given by

38-14\\\\=24

So, number of men playing squash is given by

24-8\\\\=16

Number of women playing squash is given by

20-16\\\\=4

so, the table is shown below :

                Men         Women     Total

Tennis       16                4               20

Squash       8                10              18

Total          24               14              38

6 0
3 years ago
The value of a car is $30,000 and depreciates at a rate of 6.5% each year.
navik [9.2K]

Answer:$20250

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6.5/100 x 30000

(6.5 x 30000)/100

195000/100=1950

First year depreciation 30000-1950=28050

Second year=28050-1950=26100

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Fifth year=22200-1950=20250

7 0
3 years ago
Prove that: 5^31–5^29 is divisible by 100.
ANEK [815]

Answer:

See explanation

Step-by-step explanation:

Consider the expression

5^{31}-5^{29}

First, factor it:

5^{31}-5^{29}=5^{29}\cdot(5^2-1)=5^{29}\cdot (25-1)=24\cdot 5^{29}

Note that

100=25\cdot 4

Then

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This shows that number 100 is a factor of the expression 5^{31}-5^{29} and, therefore, this expression is divisible by 100.

5 0
3 years ago
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