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enot [183]
3 years ago
8

Please help me with this question

Mathematics
1 answer:
hichkok12 [17]3 years ago
5 0
Easy math, % = number you multiply by when you MOVE the decimal TWICE to the LEFT. For example 56% would be .56 and 9% would be .09, and then you just multiply it with the 40 mins (.20) and all the other ones :)
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vaieri [72.5K]

Answer:

A(1)=9

A(2)=4

A(3)=-1

Arithmetic sequence

Step-by-step explanation:

We are given that

A(n+1)=A(n)-5 \;for\;n\geq 1 A(1)=9

We have to find first three terms and identify the sequence is geometric or arithmetic.

Substitute n=1

Then, we get

A(2)=A(1)-5=9-5=4

For n=2

A(3)=A(2)-5=4-5=-1

For n=3

A(4)=-1-5=-6

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d_2=A_3-A_2=-1-4=-5

d_3=A_4-A_3=-6+1=-5

d_1=d_2=d_3=-5

When the difference of consecutive terms are constant then the sequence is arithmetic sequence.

Therefore, given sequence is arithmetic sequence.

8 0
3 years ago
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Irina18 [472]

Answer:

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2 years ago
What is the solution to 2/3 x + 5 =1​
geniusboy [140]

Answer:

x = -6

Step-by-step explanation:

The solution means to solve for x. To solve for "x", isolate the variable. This means to separate it from everything else. Do this using reverse operations in reverse BEDMAS order.

2/3 x + 5 = 1​

2/3 x + 5 - 5 = 1​ - 5    Subtract 5 from both sides

2/3 x = -4

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3 years ago
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4 0
3 years ago
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