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zalisa [80]
2 years ago
5

At a sale, dresses were sold for $22 each. This price was 55% of a dress's original price. How much did a dress originally cost?

Mathematics
2 answers:
-BARSIC- [3]2 years ago
6 0

Answer:

$9.90

Step-by-step explanation: I DID THE WORK. SIMPLE

elena-14-01-66 [18.8K]2 years ago
5 0

Answer:

31.90$

Step-by-step explanation:

???? this might not be right ???

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A pyramid of logs has 2 logs in the top row, 4 logs in the second row from the top, 6 logs in the third row from the top, and so
mamaluj [8]

Answer:

1) Is the pattern an arithmetic sequence?​

Yes it is

2)Identify a and d.​

a = First term = 2

d = Common difference = 2

3) Write the 50th term of the sequence.​

50th term = 100

4) Find the total number of logs in the first 10 rows.​

= 1010 logs

Step-by-step explanation:

Is the pattern an arithmetic sequence?​

Yes it is

2) Identify a and d.​

A pyramid of logs has 2 logs in the top row, 4 logs in the second row from the top, 6 logs in the third row from the top, and so on,

The formula for arithmetic sequence =

an = a+ (n - 1)d

a = First term

d = Common difference

For the above question:

a = 2

d = Second term - First term

= 4 - 2

d = 2

3) Write the 50th term of the sequence.​

Using the formula for arithmetic sequence

an = a+ (n - 1)d

a = 2

n = 50

d = 2

a50 = 2 + (50 - 1)2

= 2 + (49)2

= 2 + 98

= 100

The 50th term = 100

4)Find the total number of logs in the first 10 rows.​

Sum of first n terms = n/2(a + l)

n = 10

a = first term = 2

We are told that there are 200 logs in the bottom row, hence:

l = last term = 200 logs

Hence,

Sn = 10/2×[ (2 + 200

= 5(202)

= 1010 logs

7 0
3 years ago
Mr.smith has a maximum of $50 to spend at a museum a ticket to the museum cost $7 he can spend p dollars to buy other things at
aliya0001 [1]

Answer:

brainly.com/question/11804436

Step-by-step explanation:

USE LINK!!!!

5 0
2 years ago
Help me please ): I'm stuck here I don't remember how to do this .----.
inessss [21]
The last number would be 86 , TRUST ME I know these stuff!!
8 0
3 years ago
Please help me with this Question
lutik1710 [3]
I did a good time at work but I got to get it done I got my car back and I’m gonna was a great
4 0
2 years ago
If f(x) = 3x - 5, than f(2) =
Mamont248 [21]
If we substitute 2 into x it'll be:

3x - 5 \\ 3(2) - 5 \\ 6 - 5 \\ 1

5 0
2 years ago
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