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Eduardwww [97]
3 years ago
15

Find the first four terms of the sequence an = 4n-6

Mathematics
1 answer:
natulia [17]3 years ago
5 0

Answer:

The first four terms of the sequence are-6, -2, 2 and 6

Step-by-step explanation:

The given sequence is a_n=4n-6

In order to find the first four term of the sequence we put n =0, 1, 2 and 3.

For n =0

a_0=4(0)-6=-6

For n =1

a_1=4(1)-6=-2

For n =2

a_2=4(2)-6=2

For n =3

a_3=4(3)-6=6

Therefore, the first four terms of the sequence are

-6, -2, 2 and 6

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4vir4ik [10]

Answer:

x = -3,   y = -4

(-3, -4)

Step-by-step explanation:

solve each equation for y (the first equation is already solved for y, so just do the second equation)

-x -y =7

<u>+x      +x</u>

-y = x + 7      eliminate the negative by switching all signs

y = -x - 7

now that both equations equal y, you can set them equal to each other:

-x - 7 = 3x + 5

solve for x

-x - 7 = 3x + 5        move the variable to one side of the equation

<u>+x        +x       </u>

-7 = 4x + 5            move the constant to the other side of the equation

<u>-5          -5</u>

-12 = 4x                 single out x by dividing the whole thing by 4

<u>÷4     ÷4</u>

-3 = x

now substitute -3 for x in one of the original equations (it doesn't matter which equation)

y = 3(-3) +5      solve

y = -9 +5

y = -4

have a wonderful day! :)

6 0
3 years ago
Elizabeth is selling Jam at a farmers market and she earns $5 for each jar of jam that she sells​
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Which of the lines is perpendicular to the line shown in the graph
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Answer:

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Step-by-step explanation:

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