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3 years ago

Compare 7/8 with 14/16 using (<,>,=)

Mathematics

2 answers:

kkurt [141]3 years ago

8 0

really?

They're equal.

You can't see that?

7 x 2 = 14

8 x 2 = 16

IRISSAK [1]3 years ago

4 0

Hey there! :D The answer to your question is = because 7*2=14 and 8*2=16. So that's why they are equal.

Hope I helped! ;D

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Evaluate C_n.xP^xQn-x For the given n=7, x=2, p=1/2

r-ruslan [8.4K]

Answer:

The value of given expression is $\frac{21}{128}$ .

Step-by-step explanation:

Given information: n=7, x=2, p=1/2

$q=1-p=1-\frac{1}{2}=\frac{1}{2}$

The given expression is

$C(n,x)p^xq^{n-x}$

It can be written as

$^nC_xp^xq^{n-x}$

Substitute n=7, x=2, p=1/2 and q=1/2 in the above formula.

$^7C_2(\frac{1}{2})^2(\frac{1}{2})^{7-2}$

$\frac{7!}{2!(7-2)!}(\frac{1}{2})^2(\frac{1}{2})^{5}$

$\frac{7!}{2!5!}(\frac{1}{2})^{2+5}$

$\frac{7\times 6\times 5!}{2\times 5!}(\frac{1}{2})^{2+5}$

$21(\frac{1}{2})^{7}$

$\frac{21}{128}$

Therefore the value of given expression is $\frac{21}{128}$ .

7 0

3 years ago

When StartFraction 2 x squared Over y EndFraction = StartFraction w + 2 Over 4 EndFraction is solved for w, one equation is w =

Andru [333]

Answer:

the first one

Step-by-step explanation:

4 0

3 years ago

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What are the answers to ther two questions??

Vlad1618 [11]

the answer is the third option, starting with degree 11.

6 0

2 years ago

Read 2 more answers

Thomas calculates 9×7 by thinking avout it as 70-7=63. Explain thomas' strategy.

madam [21]

10 x 7 = 70
1 x 7 = 7
9 x 7 = 70 - 7
9 x 7 = 63

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3 years ago

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ankoles [38]

Answer: See explanation

Step-by-step explanation:

15.) -7x + 6 (x - 8/2) - 2(x + 3) + 10

-7x + 6 (x - 4) - 2(x + 3) + 10

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Bring like terms together

-7x + 6x - 2x - 24 - 6 + 10

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16.) B, C, D

B. 3 (x + 2) + 4x

3x + 6 + 4x = 7x + 6

C. -2 + 4(x + 3)

-2 + 4x + 12 = 4x + 10

D. 3x + 5(x - 1)

3x + 5x - 5

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17.) A, B, D

A. 1/5(x - 50)

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