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Alja [10]
3 years ago
9

(-6)(-2x – 4y); x = 1, y = 3

Mathematics
2 answers:
jarptica [38.1K]3 years ago
8 0
I need help on this one as well
Advocard [28]3 years ago
3 0

Answer:

First, you have to substitute your x and y.

This looks like

(-6)(-2 - 12) because you multiplied (-2)(1) and (-4)(3)

Then, you have to do what's in the parenthesis because of order of operations.

(-6)(-14)

The answer is 84 I believe.

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Loại ngôn ngữ lập trình được đông đảo người lập trình lựa chọn là?
Hoochie [10]

Answer:

JavaScript

Step-by-step explanation: Đó là lý do JavaScript nên đứng đầu tiên trong danh sách ngôn ngữ lập trình thích hợp cho người mới bắt đầu. Theo khảo sát mới nhất trên Stack Overflow – “phao cứu sinh” của developer, JavaScript là ngôn ngữ phổ biến nhất được sử dụng rộng rãi trong vòng 8 năm qua

5 0
3 years ago
Can anyone pls help me to solve question 2 f and g and pls provide me a explanation I’m with that questions for three days
zvonat [6]

Answer:

  f)  a[n] = -(-2)^n +2^n

  g)  a[n] = (1/2)((-2)^-n +2^-n)

Step-by-step explanation:

Both of these problems are solved in the same way. The characteristic equation comes from ...

  a[n] -k²·a[n-2] = 0

Using a[n] = r^n, we have ...

  r^n -k²r^(n-2) = 0

  r^(n-2)(r² -k²) = 0

  r² -k² = 0

  r = ±k

  a[n] = p·(-k)^n +q·k^n . . . . . . for some constants p and q

We find p and q from the initial conditions.

__

f) k² = 4, so k = 2.

  a[0] = 0 = p + q

  a[1] = 4 = -2p +2q

Dividing the second equation by 2 and adding the first, we have ...

  2 = 2q

  q = 1

  p = -1

The solution is a[n] = -(-2)^n +2^n.

__

g) k² = 1/4, so k = 1/2.

  a[0] = 1 = p + q

  a[1] = 0 = -p/2 +q/2

Multiplying the first equation by 1/2 and adding the second, we get ...

  1/2 = q

  p = 1 -q = 1/2

Using k = 2^-1, we can write the solution as follows.

The solution is a[n] = (1/2)((-2)^-n +2^-n).

 

5 0
3 years ago
Need help ASAP please
Sveta_85 [38]

Answer:

bruh ur so dumb

Step-by-step explanation:

google it

5 0
3 years ago
* Use order of operations to solve the following.
Bingel [31]
The answer is 100 if that 5 and 2 is separate
3 0
3 years ago
Read 2 more answers
Carl is on the school track team. to prepare for an upcoming race, he plans to run 207 miles total over the next 31 days.
patriot [66]
Theres no answer to this promblem do you wanna add more
6 0
3 years ago
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