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Kobotan [32]
3 years ago
5

find the ninth term of the geometric sequence, given the first term and the common ratio: a1=1, r=-1/3

Mathematics
1 answer:
olasank [31]3 years ago
3 0

Answer:

0.0001524

Please Mark Brainliest If This Helped!

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Mike saves $42 a week for 7 weeks. During his 8-day vacation, he plans to spend $8.25 each day for snacks. Which expression show
Alla [95]
The answer is B, because you will have to multiple 42 by 7 to see how much money he will have in 7 weeks and then you will have to subtract 8 × 8.25 to see how much money he spent on his vacation.
5 0
3 years ago
During the last ten years oliver has played 1200 games of chess oliver has drawn 6% of the games he has lost 33% of the game cal
Anna [14]

Answer:

6+33=39 now we subtract from 100

100-39=61

He won 61 percent of the games

now we multiply 1200*0.61=732

so he won 732 of the 1200 games

Hope This Helps!!

6 0
3 years ago
The first term of a geometric sequence is 32, and the 5th term of the sequence is 818 .
sammy [17]

Answer:

32,24,18,\frac{27}{2} ,\frac{81}{8}

Step-by-step explanation:

Let x, y , and z be the numbers.

Then the geometric sequence is 32,x,y,z,\frac{81}{8}

Recall that  term of a geometric sequence  are generally in the form:

a,ar,ar^2,ar^3,ar^4

This implies that:

a=32 and ar^4=\frac{81}{8}

Substitute a=32 and solve for r.

32r^3=\frac{81}{8}

r^4=\frac{81}{256}

Take the fourth root to get:

r=\sqrt[4]{\frac{81}{256} }

r=\frac{3}{4}

Therefore x=32*\frac{3}{4} =24

y=24*\frac{3}{4} =18

z=18*\frac{3}{4} =\frac{27}{2}

8 0
3 years ago
Dana is purchasing a new car that costs $24,650. The bank is charging 4% simple interest for 6 years to finance the car. Using I
tia_tia [17]

Answer:

5,916

24650 \times 0.04 \times 6 = 5916

4 0
3 years ago
TJ earns a 20% commission on all sales plus a base salary of $40,000. His total income last year was more than $70,000. Which in
sukhopar [10]

Answer:

40,000 + 0.2x ≥ 70,000


3 0
3 years ago
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