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3 years ago

How do you do 9 divided 648 is explain

1 answer:

3 0

1

Set up the long division.

648|9

2

Calculate 900 ÷ 648, which is 1 with a remainder of 252.

0.01648|9.6.482.52

3

Bring down 0, so that 2520 is large enough to be divided by 648.

0.01648|9.6.482.520

4

Calculate 2520 ÷ 648, which is 3 with a remainder of 576.

0.013648|9.6.482.5201.944576

5

Bring down 0, so that 5760 is large enough to be divided by 648.

0.013648|9.6.482.5201.9445760

6

Calculate 5760 ÷ 648, which is 8 with a remainder of 576.

0.0138648|9.6.482.5201.94457605184576

7

Therefore, 9 ÷ 648 ≈ 0.0138.

0.01380.0138

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How many ways are there to paint a set of 27 27 elements such that 7 7 are painted white, 6 6 are painted old gold, 2 2 are pain

Alexeev081 [22]

Answer:

There are 2,480,721,300,000,00 ways to paint this set.

Step-by-step explanation:

We have that:

A set of 27 elements, of which:

7 are painted white

6 are painted old gold

2 are painted blue

7 are painted yellow

5 are painted green

How many ways are there to paint?

A single change in the set, for example, element 0 exchanged with element 1, means we have a new way. So we use the permutations formula to solve this problem:

Permutations

Permutations of a set of x elements divided into sets of size w,y,z.

The number of ways is:

$P{x}_{w,y,z} = \frac{x!}{w!y!z!}$

In this problem, we have that:

A set of 27 divided into sets of 7,6,2,7,5. So

$P{27}_{7,6,2,7,5} = \frac{27!}{7!6!2!7!5!} = 2,480,721,300,000,00$

There are 2,480,721,300,000,00 ways to paint this set.

3 0

3 years ago

A jar contains red and green balls. A person reaches in and randomly selects a ball to indicate the number of points earned or l

user100 [1]

Answer:

There would have to be -6

Step-by-step explanation:

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3 years ago

Use the distributive property to simplify the expression. 1/2 (2n + 4 + 6m)

solmaris [256]

Answer:

1n+2+3m

Step-by-step explanation:

1/2(2n+4+6m) Distributive property

2/2n+4/2+6/2m Simplify

1n+2+3m

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3 years ago

6. What are the zeroes for the<br>function<br>f(x) = 2x3 + 12x – 10x2?<br>

agasfer [191]

Answer:

Step-by-step explanation:

f(x) = 2x^3 + 12x – 10x^2 can and should be rewritten in descending powers of x:

f(x) = 2x^3 – 10x^2 + 12x

This, in turn, can be factored into f(x) = x·(x² - 10x + 12).

Setting this last result = to 0 results in f(x) = x·(x² - 10x + 12).

Thus, x = 0 is one root. Two more roots come from x² - 10x + 12 = 0.

Let's "complete the square" to solve this equation.

Rewrite x² - 10x + 12 = 0 as x² - 10x + 12 = 0.

a) Identify the coefficient of the x term. It is -10.

b) take half of this result: -5

c) square this last result: (-5)² = 25.

d) Add this 25 to both sides of x² - 10x + 12 = 0:

x² - 10x + 25 + 12 = 0 + 25

e) rewrite x² - 10x + 25 as the square of a binomial:

(x - 5)² = 13

f) taking the sqrt of both sides: x - 5 = ±√13

g) write out the zeros: x = 5 + √13 and x = 5 - √13.

The three roots are x = 0, x = 5 + √13 and x = 5 - √13.

8 0

3 years ago

Y=-5x+6<br> y=3x-2<br><br> Find the solution to the system of equations.

Kobotan [32]

Answer:

(1, 1 )

Step-by-step explanation:

Given the 2 equations

y = - 5x + 6 → (1)

y = 3x - 2 → (2)

Since both equations express y in terms of x, equate the right sides

3x - 2 = - 5x + 6 ( add 5x to both sides )

8x - 2 = 6 ( add 2 to both sides )

8x = 8 ( divide both sides by 8 )

x = 1

Substitute x = 1 into either of the 2 equations for corresponding value of y

Substituting x = 1 in (2)

y = 3(1) - 2 = 3 - 2 = 1

Solution is (1, 1 )

4 0

3 years ago

Read 2 more answers