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3 years ago

How many factors of 48 are not prime numbers

1 answer:

7 0

48 has the following 10 factors: <span>1, 2, 3, 4, 6, 8, 12, 16, 24, 48
Of these, 1,2 and 3 are primes. The other 7 are not primes.</span>

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Which of the following expressions is not equivalent to <br> 2(b+8)?

maksim [4K]

the awser is (-2)(8 + 6) + (-3)

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3 years ago

15/8 + (-3 4/7) plz help me.

givi [52]

I think it’s -1.69642857143

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3 years ago

I need help from uh all..

DanielleElmas [232]

Answer:

Step-by-step explanation:

Given expression is,

$\text{cot}A=\frac{1}{2}(\text{cot}\frac{A}{2}-\text{tan}\frac{A}{2})$

To prove this identity we will take the right side of the identity,

$\frac{1}{2}(\text{cot}\frac{A}{2}-\text{tan}\frac{A}{2})=\frac{1}{2}(\frac{1}{\text{tan}\frac{A}{2}}-tan\frac{A}{2})$

$=\frac{1}{2}(\frac{1-\text{tan}^2\frac{A}{2}}{tan\frac{A}{2}})$

$=\frac{1}{2}[\frac{2(1-\text{tan}^2\frac{A}{2})}{2tan\frac{A}{2}}]$

$=\frac{1}{2}(\frac{2}{\text{tan}A} )$ [Since $\text{tan}A=\frac{2\text{tan}\frac{A}{2}}{1-\text{tan}^2\frac{A}{2}}$ ]

= cot A

Hence right side of the equation is equal to the left side of the equation.

3 0

3 years ago

√25 + √144 +√100<br>who know pls

pychu [463]

Answer:

Step-by-step explanation:

√ 25 is 5

√ 144 is 12

√ 100 is 10

5 + 12 + 10 = 27

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3 years ago

Factories 25x-35 what would the answer be

Stells [14]

Answer:

Step-by-step explanation:

25x - 35 = 5*5*x - 5*7

= 5*( 5x - 7)

3 0

3 years ago

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