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Ira Lisetskai [31]
3 years ago
10

Solve for n n-5= 8 please helpppppp thanks

Mathematics
2 answers:
Firlakuza [10]3 years ago
8 0

Answer:

13

Step-by-step explanation:

yarga [219]3 years ago
4 0

n-5 = 8

<em>Add 5 to both sides</em>

n - 5 + 5 = 8 + 5

<em>Simplify</em>

n = 13

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Find the sum of the finite geometric series. 4 20 100 ... 312,500 the sum of the geometric series is .
AnnZ [28]
What is the 9th term of the geometric sequence 4, -20, 100, ... 
<span>First term, a = 4 </span>
<span>common ratio, r = –20 / 4 = –5 </span>
<span>..... ..... ..... ..... = 100 / –20 = –5 </span>
<span>9th term = 4 ( –5 ) ^ ( 9 - 1 ) </span>
<span>..... ...... = 4 ( –5 ) ^ 8 </span>
<span>..... ...... = 4 ( 390,625 ) </span>
<span>..... ...... = 1,562,500 </span>
5 0
3 years ago
Hevesh wants to make 2 lines of dominoes that are both 21 inches long. Each line has dominoes spaced 1 and 1/2 inches apart. How
aliya0001 [1]

Answer: 30 dominoes in total.

Step-by-step explanation:

Each line is 21 inches long.

the space between dominoes is 1 + 1/2 inches.

(assuming that the distance includes the domino itself) Now, we need at least two dominoes to see this distance,

The we have N + 1 dominoes per line, and the distance is:

N*(1 + 1/2)inches = 21 inches

If we find N, we can find the number of domineoes in each line:

N = 21/(1 + 1/2) = 14

This means that we have 14  + 1 = 15 dominoes in each line, and we have two lines, so we have 30 dominoes in total.

3 0
3 years ago
A restaurant bill comes to $28.35. Determine the total cost if the tax is 6.25% and a 20% tip is left on the amount before tax
Soloha48 [4]
In the given problem there are several known and important facts to take note of. Firstly the restaurant bill without tax and tips is $28.35. Then the tax of 6.25% needs to be added with the bill. Also a tip of 20% on the original bill needs to be added to find the total cost.
Then tax on the restaurant bill = (6.25/100) * 28.35
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So the tax on the restaurant bill is $1.77
Amount of tips given = 28.35 * (20/100)
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Amount of tips paid is $5.67
Total cost paid in the restaurant = ( 28.35 + 1.77 + 5.67) dollars
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8 0
3 years ago
5 numbers with 8 in the ones place
STatiana [176]

Answer:

the answer to this question is 58

Step-by-step explanation:

mark me as brainliest

4 0
2 years ago
Question
vampirchik [111]

Step-by-step explanation:

(61-3)872

=53192-2616

=50576

=5.1×10⁴

4 0
2 years ago
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