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valentinak56 [21]

3 years ago

15

Find the 4th term in the sequence with the following definition: a1=3 an=4an-1+2

1 answer:

Basile [38]3 years ago

7 0

Answer:

234

Step-by-step explanation:

Using the recursive formula with a₁ = 3

a₂ = 4a₁ + 2 = (4 × 3) + 2 = 12 + 2 = 14

a₃ = 4a₂ + 2 = (4 × 14) + 2 = 56 + 2 = 58

a₄ = 4a₃ + 2 = (4 × 58) + 2 = 232 + 2 = 234

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3x=9 divide each side by 3 x=3

podryga [215]

Answer:

3

Step-by-step explanation:

3x=9

3(3)=9

3/3=0=9/3=3

answer=3

3 0

3 years ago

there are 680 students and Cassie's High School 40% of the students are taking Spanish how many students are taking Spanish

snow_lady [41]

272

680 x 0.40 = 272

8 0

3 years ago

Let the function f be defined as f(x)= 5x^2 - 7(4x+3). What is the value of f(3)

Katen [24]

Answer:

f(x) = -60 is your answer

Step-by-step explanation:

Plug in 3 for x

f(x) = 5x² - 7(4x + 3)

f(x) = 5(3²) - 7(4(3) + 3)

Follow PEMDAS. First, solve the parenthesis

3² = 9

4(3) + 3 = 12 + 3 = 15

f(x) = 5(9) - 7(15)

Multiply

f(x) = 45 - 105

Simplify. Subtract

f(x) = 45 - 105

f(x) = -60

f(x) = -60 is your answer

~

4 0

3 years ago

Paul's family drove 377 mi to the beach averaging 58 mi/h on the way there. On the return trip home, they averaged 65 mi/h

sashaice [31]

The answer is 12.3 hours

6 0

4 years ago

Kimberly drives at a rate of 50 miles per hour on her trip across the country. If it takes Kimberly 200 gallons of gasoline to d

ipn [44]

Answer:

3x

Step-by-step explanation:

50 mi/hr × (1 hr / 60 min) × (200 gal / 500 mi) = ⅓ gal/min

(⅓ gal/min) × (t min) = x gal

t = 3x

3 0

4 years ago