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ryzh [129]
3 years ago
15

DON'T ANSWER FREE POINTSSSS

Mathematics
2 answers:
kumpel [21]3 years ago
6 0

Answer:

0

Step-by-step explanation:

steposvetlana [31]3 years ago
3 0

Answer:

\boxed{n = -13 - 4i}

Step-by-step explanation:

\text{Assuming } i=\sqrt{-1}

(13 + 4i) + n = 0

n = -(13 + 4i)

\boxed{n = -13 - 4i}

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Find the perimeter of a rectangle with a length of 12 feet and a width of 6 feet.
jeka57 [31]
Perimeter= 2 ( length + width)
2×(12+6)
2×18
=36
3 0
3 years ago
E=mc
lara [203]

Answer:

A

Step-by-step explanation:

Divide both sides of the equation by c²

5 0
3 years ago
?? So lost with this
labwork [276]

Answer:

A)\ 1,\ -1,\ -3\\\\B)\ d=-2\\\\C)\ \left\{\begin{array}{ccc}a_1=11\\a_n=a_{n-1}-2\end{array}\right\\\\D)\ f(n)=-2n+13

Step-by-step explanation:

It's an arithmetic sequence.

9 = 11 - 2

7 = 9 - 2

5 = 7 - 2

3 = 5 - 2

A) next three terms: 3 - 2 = 1, 1 - 2 = -1, -1 - 2 = -3

B) Common difference = -2

C) Recursive Function:

\left\{\begin{array}{ccc}a_1=11\\a_n=a_{n-1}-2\end{array}\right

D) Explicit Function:

f(n)=a_1+(n-1)d

a₁ - first term

d - common difference

Substitute a₁ = 11 and d = -2:

f(n)=11+(n-1)(-2)=11-2n+2=-2n+13

4 0
3 years ago
The ratio of apples to dollars is 4:5. How many apples can you buy for $35
almond37 [142]
<span> The ratio of apples to dollars is 4:5. How many apples can you buy for $35 = 28 apples</span>
3 0
3 years ago
Read 2 more answers
Expand and combine like terms.<br><br> (2x3 + 4x5)2 =
Kisachek [45]

Answer:

52

Step-by-step explanation:

(2x3 = 6

4x5 = 20)

(6+20) = (26)

(26)2 = 52

=52

3 0
3 years ago
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