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3 years ago

9

To perform operations to obtain a single number or value. A Inverse Operation B Algebraic Expression C Evaluate an Algebraic Exp

ression D) Additive Inverse

1 answer:

uysha [10]3 years ago

7 0

Answer:

c

Step-by-step explanation:

c

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I need help fast like rn

lbvjy [14]

Answer:

vyuWYIRTG3ñwyiehg

Step-by-step explanation:

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2 years ago

3a2 + 2a + 2a2 is equal to

yanalaym [24]

Answer:

5a^2 +2a

Step-by-step explanation:

Like terms are ones with the same exponent of x. They can be combined.

3a^2 +2a +2a^2

= (3a^2 +2a^2) +2a

= (3+2)a^2 +2a

= 5a^2 +2a

4 0

2 years ago

Read 2 more answers

10) xc = rd , for x<br><br> Help plz

ExtremeBDS [4]

Answer:

x = rd/c

Step-by-step explanation:

xc = rd

xc/c = rd/c

x = rd/c

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2 years ago

Factor out 3^2 ^3−18^2 ^4

34kurt

The factor of three is six factor of two is to 3 is three factor of two is 22 is four and poster of four is 22 Answer

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2 years ago

The sum of the first n terms of an arithmetic sequence is n/2(4n + 20).

lesantik [10]

Answer:

(a).

$S_{n} = \frac{n}{2} (4n + 20) \\ \\S _{n - 1} = \frac{(n - 1)}{2} (4n - 4 + 20) \\ \\ S _{n - 1} = \frac{(n - 1)}{2} (4n + 16) \\ \\S _{n - 1} = \frac{(n - 1)(4n + 16)}{2} \\ \\ { \boxed{S _{n - 1} = {2 {n}^{2} + 6n - 8}}} \\$

(b).

from general equation:

$S _{n - 1} = \frac{(n - 1)}{2} (4n + 16)$

first term is 4n

common difference:

$16 = \{(n - 1) - 1 \}d \\ 16 = (n - 2)d \\ d = \frac{16}{n - 2}$

8 0

2 years ago