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Stells [14]
3 years ago
6

Find the sum of the first 10 terms of the following geometric sequences: {3, 6, 12, 24, 48...)

Mathematics
1 answer:
bonufazy [111]3 years ago
3 0

Answer:

3069

Step-by-step explanation:

q=6/3=2

s10=3(2^10-1)÷(2-1)=3×(1024-1)=

3069

because sn=a1(q^n-1)/(q-1)

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Days/ cost to rent a truck 1/34 2/50 3/66 4/82 A/ C=16d B/ C= 16d + 18 C/ C= 16d + 16 D/ C=18d + 16
Mamont248 [21]
Use the given information as (x, y) points.
You have
(1, 34)
(2, 50)
(3, 66)
(4, 82)
The difference between renting for 1 day and 2 days is 50 - 34 = 16.
The difference between renting for 2 days and 3 days is 66 - 50 = 16
The difference between renting for 3 days and 4 days is 82 - 66 = 16
For each day you rent you pay $16.
Now look at renting for 1 day.
The rental for 1 day is $16, but for 1 day you pay $34.
$34 - $16 = $18
There is an extra $18 in the rental for every day. The $18 is fixed.
That means, to rent a truck, you must pay a fixed amount of $18 plus $16 per day.

total cost = daily cost + fixed cost
total cost =       16d    +      16
c = 16d + 18
3 0
3 years ago
Read 2 more answers
Which interval for the graphed function contains the local maximum?
photoshop1234 [79]

Answer:

2

Step-by-step explanation:

5 0
3 years ago
Write the word as an inequality. Then solve the inequality. Three less than a number x is more than 15. An inequality that repre
BaLLatris [955]

Answer:

An inequality that represents this word sentence is >. The solution is. x > 17.

Step-by-step explanation:

8 0
3 years ago
5x - 2 = 8<br> What the answer
Montano1993 [528]

Answer:

x = 2

Step-by-step explanation:

5x - 2 = 8

5x = 8 + 2

5x = 10

x = 10/5

x = 2

7 0
3 years ago
Read 2 more answers
In Mr. Scott’s class the ratio of boys to girls is 2:3. The total number of students in Mr. Scott’s class is 30. What percent of
Yuri [45]

Answer:

40% of the class is Girls, so 12 students are girls

Step-by-step explanation:

add up the ratio

2+3=5

divide by 5

30/5=6

multipy ratio to find totial number of students

2*6=12

2*3=18

divide the number of students to get the pecentage

12/30=0.4=40%

18/30=0.6=60%

5 0
3 years ago
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