3 years ago

The last too are 6/12 & 21/10 Pleaseee help me .!!

1 answer:

3 0

Answer:

6/35 is the answer

Step-by-step explanation:

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il63 [147K]

Use the binomial theorem:

$\displaystyle (2x-9)^5 = \sum_{k=0}^5 \binom5k (2x)^{5-k}(-9)^k = \sum_{k=0}^5 \frac{5!}{k!(5-k)!} 2^5 \left(-\frac92\right)^k x^{5-k}$

The x ³ terms occurs for 5 - k = 3, or k = 2, and its coefficient would be

$\dfrac{5!}{2!(5-2)!} 2^5 \left(-\dfrac92\right)^2 = \boxed{6480}$

8 0

3 years ago

vichka [17]

Answer:

320 sq in

Step-by-step explanation:

4(1/2*8*16) + (8*8)

= 4(64) + (64)

= 5(64)

= 320

6 0

3 years ago

Bess [88]

Answer:

option 3

Step-by-step explanation:

$Formula : a^{-x} = \frac{1}{a^x}$

$3^7 \times 3^{-4} = 3^7 \times \frac{1}{3^4}$

5 0

3 years ago

Veseljchak [2.6K]

Answer:

tge radius is half the diameter so 1/2 of 3 1/2 =1.75 or 1 3/4

7 0

3 years ago

max2010maxim [7]

|5x| < -4 : It is an empty set.

Anything in " | | "(absolute value function) is equal to or greater than zero

6 0

3 years ago