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slamgirl [31]
3 years ago
14

Write an equation to represent the scenario? car cost $3920, saved $500. if he saves $95 per week.

Mathematics
1 answer:
Orlov [11]3 years ago
4 0

($ saved)+($ saves per week)x=($ cost)

$500+$95x=$3920

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If it takes 1074 digits to number the pages of a book starting with page 1. how many pages are in the book? The book has a total
Charra [1.4K]

Answer:

  • 394 pages

Step-by-step explanation:

<u>1- digit numbers: </u>

  • 1 to 9, number of digits = 9

<u>2- digit numbers:</u>

  • 10 to 99, number of digits = 2(99 - 9) = 180

<u>3- digit numbers:</u>

  • 100 to 999, number of digits = 3(999 - 99) = 2700

This is more than we have, but we know the number of pages is 3-digit.

<u>Let it be x, then we have:</u>

  • 9 + 180 + 3(x - 99) = 1074
  • 3(x - 99) = 1074 - 189
  • 3(x - 99) = 885
  • x - 99 = 885/3
  • x - 99 = 295
  • x = 295 + 99
  • x = 394
4 0
3 years ago
If a dress costs $27,000 when it is on sale for 10% off, what is its original cost?
Ede4ka [16]

Answer:

30,000

Step-by-step explanation:

10% of 30,000 is 3,000

30,000 - 3,000 = 27,000

4 0
3 years ago
PLZ HELP I’LL GIVE BRAINLIEST
son4ous [18]
I’m not sure if this is right but im guessing c.
8 0
3 years ago
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2x+7=3x+3 is a linear equation with on solution
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The number of patients treated at Dr. Artin’s dentist office each day was recorded for nine days. These are the data: 6, 6, 6, 5
klemol [59]

Answer:

D) 5.6, 6, 6, 1

Step-by-step explanation:

Before we start solving this problem, we need to first rearrange the provided data from smallest to greatest, so we get:

5, 5, 5, 5, 6, 6, 6, 6, 6

now we can find the mean. The mean is nothing but the average of the provided values, so we need to add them and then divide them into the total amount of data:

mean=\frac{5+5+5+5+6+6+6+6+6}{9}=5.6

next, in an odd number of data, the median is the middle number when written in order. In this case the middle number (the one in the position 5) is 6, so:

median=6

the mode will tell you what is the value that has the greatest number of occurrencies. This is the number that appears the most on our list.

Mode=6

and the range is the difference between the greatest value and the smallest value:

Range=6-5=1

so the answer is D.

6 0
3 years ago
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