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Andreas93 [3]
3 years ago
8

Find an equation for the nth term of the arithmetic sequence. -20, -16, -12, -8, ...

Mathematics
2 answers:
liq [111]3 years ago
5 0
Common difference = -16-(-20) = 4
nth term = -20+(n-1)4
Elza [17]3 years ago
3 0

Answer:

-4

Step-by-step explanation:

that is the nth termmmmm

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(9m + 10) x 2 Simplify steps included
Elanso [62]

Answer:

18m+20

Step-by-step explanation:

9m(2)+10(2)=18m+20

3 0
3 years ago
Read 2 more answers
Which expression is a factor of 4ab + 4a − 3b − 3?
e-lub [12.9K]
<span>4ab + 4a − 3b − 3
=4a(b + 1) - 3(b+1)
= (b+1)(4a - 3)

(b+1) and (4a - 3) are factors 

answer
</span><span>4a − 3</span>
7 0
3 years ago
Help me I need the answer on paper help me now
ElenaW [278]

Answer:

x = 144

Step-by-step explanation:

Angle sum of heptagon = 900

5x + 90 + 90 = 900
5x + 180 = 900
5x + 180 - 180= 900 - 180
5x = 720
Divide both sides by 5
x = 144

6 0
2 years ago
Find the inverse g(x)=x/5-6
STALIN [3.7K]
Interpreted: g(x) = \frac{x}{5} - 6
Let y = g(x)
y = \frac{x}{5} - 6
x = \frac{y}{5} - 6 (Interchange the x and y-values)

\frac{y}{5} = x + 6 (Solve for y)
y = 5(x + 6)

\therefore g^{-1}(x) = 5(x + 6)
4 0
3 years ago
For what values of t, if any, is given vector parallel to vector u = (4,-1): (8t, 2t)? and (1,t^2)?
Radda [10]
The vector would have to be a scalar of (4,-1) in order to be parallel to it
so
 4 = 8t   -1 = 2t

t= 4/8 = 1/2
-1=2t
t= -1/2
3 0
4 years ago
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