3 years ago

Given the mean and most of the set data, please find the missing value of x in each set.

Mathematics

1 answer:

Sergio [31]3 years ago

5 0

Answer:

a. 1

b. 2.

Step-by-step explanation:

a) There are a total of 10 numbers so we have:

4 * 10 = 3+5+6+8+9+2+1+0+5+x

40 = 39 + x

x = 1.

b) 5*6 = 28 + x

x = 2.

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Q = x^3 â xGiven that x is a positive integer such that x â¥ 75, which of the following is the remainder when Q is divided by 6?

geniusboy [140]

Answer:

A) 0

Step-by-step explanation:

Given that

$Q=x^{3}-x\\\\x(x^{2}-1)\\\\x(x+1)(x-1)$

Divisor = 6 = 3*2

$\frac{Q}{D}=\frac{(x)(x+1)(x-1)}{6}\\\\\frac{Q}{D}=\frac{(x)(x+1)(x-1)}{2 \times 3}\\$

As it can be see that x ≥ 75 and Q is product of three consecutive terms (x-1), x, (x+1) which is always completely divisible by 2, 3 and 6. So remainder is zero

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3 years ago

Find the odds of you winning if you bought 3 tickets and there were 1200 tickets bought that week

vampirchik [111]

Answer:

1 over 400

Step-by-step explanation:

I think it is 3 over 1200. I think you can divide the 1200 by 3.

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3 years ago

If the length of a rectangle is 2x + 4 and the width is x - 2. write

Bess [88]

Answer:

P = 6x +4

Step-by-step explanation:

Use the given values in the formula for the perimeter of a rectangle:

P = 2(L +W)

You have ...

L = 2x +4

W = x -2

So, the perimeter is ...

P = 2((2x +4) +(x -2)) = 2(3x +2)

P = 6x +4

The perimeter of the rectangle is 6x+4.

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2 years ago

Which is .333 written in its simplest fraction form?

Mama L [17]

D. 333/1000 good luck

6 0

3 years ago

What is 2/3 of 45? (Before you attack me saying "Try to do it yourself dont be lazy" im in 5th grade and this is a really hard s

Nezavi [6.7K]

Answer:

Its 30

15 Times 3 is 45

Your welcome

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers