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Volgvan
4 years ago
12

6.(08.04) What is the sum of the geometric sequence 2, 8, 32, ... if there are 8 terms?

Mathematics
1 answer:
Lyrx [107]4 years ago
3 0

Answer:

43,690.

Step-by-step explanation:

The common ratio r is 8/2 = 32/8 = 4.

Sum of n terms = a1 * (r^n - 1) / (r - 1).

a1 = 2 and r = 4 so

Sum of 8 terms = 2 *(4^8 - 1) / (4 - 1)

= 2 * 65535 / 3

= 43,690.

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Matt is having a lemonade stand and he needs $60 for a school fundraiser. he already has $25, but he needs more. If hes selling lemonade for $0.50 each cup, write an equation that shows how much money he needs to get at least $60.


i dont know if you mean less than or greater than, or less than or equal to so sorry and i also dont know if this is right, but i hope it helps sorta  :) 
7 0
3 years ago
Brainliest giveaway
Serjik [45]

Answer:

y = 2

Step-by-step explanation:

Since the y- coordinates of the ordered pairs are all 2

This indicates the line is horizontal with equation y = c

where c is the value of the y- coordinates the line passes through, then

y = 2 ← equation of line

5 0
3 years ago
I took an Uber that had a bill of $15.20. I left a 15% tip. How much was the Uber including the tip?
denis-greek [22]

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Step-by-step explanation:

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5 0
3 years ago
What is the product of (2i) and (5+3i)?
Evgesh-ka [11]

The value of the product expression given as product of (2i) and (5+3i) is 10i -6

<h3>How to determine the product?</h3>

The product expression is given as:

product of (2i) and (5+3i)

Rewrite the expression as:

(2i) * (5+3i)

Open the brackets

(2i) * (5+3i) = 10i + 6i^2

Evaluate

(2i) * (5+3i) = 10i + 6(-1)

This gives

(2i) * (5+3i) = 10i -6

Hence, the value of the product expression given as product of (2i) and (5+3i) is 10i -6

Read more about complex numbers at:

brainly.com/question/10662770

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5 0
2 years ago
Jasmine is baking and selling cupcakes for $15 per dozen. She would like to make more than $120 in cupcake sales. Which number l
ELEN [110]
Jasmine is baking and selling cupcakes for $15 per dozen.
Let x be the number of dozens of cupcake made by Jasmine.
Her total sales= Sales Per Dozen X Number of Dozens of cupcake sold
= $15 X x = $15x
Since she would like to make more than $120 in cupcake sales.
It means her total sales must be greater than $120.
15x>120
x>120/15
x>8
The number line attached represents the solutions to the situation.
All integers to the right of 8 (excluding 8) satisfies the situation.

Hope this helps!:)
5 0
3 years ago
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