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kvasek [131]
2 years ago
12

Use the geometric mean to find the 7th term in a geometric sequence if the 6th term is 8 and the 8th term is 18.

Mathematics
1 answer:
andriy [413]2 years ago
6 0

Answer:

13

Step-by-step explanation:

I do not know for sure

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Factor 2x^4 + 2x^3 - x^2 - x
MAVERICK [17]
2x^3(x+1)-x(x+1)
(2x^3-x)(x+1)
x(2x^2-1)(x+1)
8 0
2 years ago
Mr welor leaves work at 8:40 he leaves work 50 minutes before he arrives what time does he arrive
MakcuM [25]
He arrives at 9:30 because if you take 8:40 (when dealing with time I like to think of it as a whole number so 8:40 would become 840) then just add 50 minutes to 8:40 (or 840+50 which equals 890 also know as 9:30 because you have to subtract 60 from 90 (because 60 is the limit in time (well technically 59 is)) then add one to 8 like so, which equals 9:30 Enjoy!=)
8 0
3 years ago
Read 2 more answers
In​ 2009, the national debt of a government was about ​$10.5 trillion. Using 308.0 million as the population for that​ year, abo
Katarina [22]

Answer:

34091 dollars per person

Step-by-step explanation:

In order to answer the question, you have to divide the amount of debt by the amount of population to obtain the amount of dollars per person.

The debt was $10.5 trillion. A trillion is a thousand billion  (1000 multiplied by a billion which is 10^{9} in scientific notation)

1000=10^{3}

One trillion is (10^{3})(10^{9})=10^{12}

The debt is: $ 10.5 x 10^{12}

The population is scientific notation is: 308.0 x 10^{6}

Dividing the amount of debt by the amount of population:

\frac{(10.5)(10^{12})}{(308.0)(10^{6})}=\frac{(10.5)(10^{12-6})}{308.0}=\frac{(10.5)(10^{6})}{308.0}

Simplifying and expressing it in standard notation:

34090.9 dollars per person

Rounding to the nearest dollar:

34091 dollars per person.

4 0
3 years ago
Leonora is factoring a trinomial. The factors of the trinomial are shown on the model.
Temka [501]

Answer:

D

Step-by-step explanation: just trust me

8 0
3 years ago
Please show work. What is the volume of the figure?
Alenkinab [10]

Answer:

Volume = 288 in.³

Step-by-step explanation:

Volume of the solid = volume of the cube + volume of the square pyramid

V = a³ + ⅓*a²*h

a = 6 in.

h = 12 - 6 = 6 in.

Plug in the values into the volume formula

Volume = 6³ + ⅓*6²*6

Volume = 216 + 72

Volume = 288 in.³

6 0
3 years ago
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