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Brut [27]
3 years ago
11

Write the nth term of the following sequence in terms of the first term of the sequence.

Mathematics
1 answer:
ZanzabumX [31]3 years ago
6 0

Answer:

a(n) = 1 + 7(n-1)

Step-by-step explanation:

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3x+6+6x=42 what is x?
tatiyna

Answer:

x = 4

Step-by-step explanation:

Step 1: Combine like terms

9x + 6 = 42

Step 2: Isolate x by subtracting 6 on both sides

9x = 36

Step 3: Isolate x by dividing by 9 on both sides

x = 4

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3 years ago
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A car uses 1 liter of gas every 12 kilometers. How many meters can the car travel on 3 liters of gas? 36 meters 3,600 meters 360
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36,000 meters i believe
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The line is parallel to y= 2x + 1 and passes through point (-2,-1).
inessss [21]

Answer:

y = 2x + 3

Step-by-step explanation:

To find the equation of a line, you need 2 things:

1) gradient/slope

2) 1 set of x and y coordinates

To find the slope:

If 2 lines are parallel, they have exactly the same gradient.

So, this line will have a slope of 2 as well (the slope of a line is the coefficient of x in the equation).

To find the equation of the line:

<u>Start with this generic equation:</u>

y - y1 = m (x-x1)

<u>We know that:</u>

(x1, y1) -> (-2, -1) and m= 2

<u>So, we can substitute for the equation:</u>

y- (-1) = 2 (x -(-2))

<u>Simplify, by expanding the brackets:</u>

y + 1= 2 (x+2)

y + 1 = 2x + 4

<u>Rearrange for y:</u>

y = 2x + 3

To double check:

1) The coefficient of x is the slope, we have 2x and the slop is 2, so that's correct

2) Sub in x= -2, and you should get y=-1

y = -4 + 3 = -1, so that's correct too

Hope that helped : )

7 0
3 years ago
A $60 video game is on sale for 30% off! How much money will you save?
Oksana_A [137]

Answer:

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Step-by-step explanation:

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$6000 is invested in an account that earns 4.5% annual interest, compounded continuously. What is the value of the account after
mario62 [17]

Answer:

Convert   4.5% to a decimal. 6000,0.045, 8 years

Step-by-step explanation:

I used math--way

8 0
2 years ago
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