3 years ago

What is the y value in this equation ?X(0)=(-1/3y)+6

1 answer:

8 0

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

Vsevolod [243]

First calculate the percentage of math.
100-23-30-15-12
=20%
then 150x20% for the math
=30 so there are 30 students chose math.

7 0

3 years ago

Dmitry_Shevchenko [17]

Answer:

Step-by-step explanation:

πr^2

3.14*3^2

3.14*9

28.26

Please mark as Brainliest! :)

Have a nice day.

6 0

3 years ago

algol13

1) an = a1 + d*(n-1) => a20 = -4 + (-9)*19 = -4 - 171 = - 175
1) ---> C)

2) a81 = 20 + 4*80 = 340;
2) ---> A)

3) a12 = ?
3) ---> B) or D).

3 0

3 years ago

Anon25 [30]

5: 6/5

6: -3

7: 2/5

8: 4/2 or 2

6 0

2 years ago