3 years ago

Write an explicit formula for an the nth term of the sequence 7,3, 1,....

Mathematics

2 answers:

seropon [69]3 years ago

8 0

Answer:

nth term = 7+(n-1)4

Step-by-step explanation:

mestny [16]3 years ago

3 0

Answer:

Step-by-step explanation:

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If f(x)=1/x+2/x, then f(1/3)=

Kaylis [27]

Answer:

f(1/3) = 9

Step-by-step explanation:

f(x)=1/x+2/x

Combine terms

f(x) = 3/x

f(1/3) = 3 / (1/3)

f(1/3) = 9

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3 years ago

If one movie ticket cost $15, how much will 5 movie tickets cost

Anettt [7]

Answer:

$75

Step-by-step explanation:

15 x 5 = 75

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2 years ago

Find f(3) if f(x) = -4x^2+5x

maksim [4K]

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3 years ago

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Solve for x: X^2 = 4/16

Rainbow [258]

We know that

x = $\sqrt{\frac{4}{16}}$

So:

x = $\frac{2}{4}$

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3 years ago

An investor has an account with stock from two different companies. Last year, her stock in Company A was worth $2000 and her st

Harlamova29_29 [7]

Answer:

14.2%

Step-by-step explanation:

1. Find the new cost for Stock A:

2000x0.88=1760

2. Find the new cost for Stock B:

5720x0.85=4862

3. Find total sum of the original stocks:

2000+5720=7720

4. Find total sum of the new stocks:

1760+4862=6622

5. Find the decrease:

7720(1-x)=6622

Solve for x

x=14.2

4 0

2 years ago