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kirill115 [55]
3 years ago
12

Help plzzz I need this done soon

Mathematics
1 answer:
Elodia [21]3 years ago
6 0

Answer:

45 dollars per week

Step-by-step explanation:

To find the rate of change due y2 - y1 divided by x2 - x1

In this case,

y2 = 205

y1 = 115

x2 = 3

x1 = 1

(205-115) / (3-1) = 90 / 2 = 45

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Given the geometric sequence where a1 = 2 and the common ratio is 4, what is the domain for n?
Karo-lina-s [1.5K]
The general term is a_n (a sub n; n is a subscript)

The first term is a1
The second term is a2
The third term is a3
and so on...

The first term starts at n = 1. We replace the n in a_n with 1 to get a_1. A similar thing happens with n = 2 and onward

The domain is therefore the set {1, 2, 3, 4, 5, ...} which is the set of...
* Counting numbers
* Positive Whole numbers
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Those are three ways to express the same set

We can also say n \ge 1 where n is an integer or whole number
A similar inequality would be n \ \textgreater \ 0 which is effectively the same as idea as the last inequality (n is also an integer or whole number).
4 0
4 years ago
Four years after a tree was planted, its height was 6 feet. Eight years after it was planted, its height was 8 feet. How tall wi
german

Answer:

It will be 10 feet after 10 years

4 0
3 years ago
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Make x the subject of the formula<br>6x + a = 5(x + 1)​
kati45 [8]

Answer:

x = 5 - a

Step-by-step explanation:

Given

6x + a = 5(x + 1) ← distribute

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5 0
3 years ago
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E = cos20º + cos40º + cos60º + … cos160º + cos180º
r-ruslan [8.4K]

Answer:

C) – 1

Step-by-step explanation:

E = cos20º + cos40º + cos60º +cos80° + cos 100°+cos120° +cos140° +cos160º + cos180º

E= 0.9 + 0.76 + 0.5+0.17+(-0.17)+(-0.5)+(-0.76) + ( – 0.9 ) + (– 1 )

E= 0.9 + 0.76 + 0.5 +0.17 - 0.17 - 0.5 -0.76 – 0.9 – 1

E= – 1

So ; equal – 1

I hope I helped you^_^

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3 years ago
What is the square root of -1?
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Step-by-step explanation:

it is an imaginary no

therefore

✓-1=i

3 0
4 years ago
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