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Neporo4naja [7]
3 years ago
6

How many different 10 digit phone numbers are possible if numbers can be repeated

Mathematics
1 answer:
Stella [2.4K]3 years ago
8 0

It was would numbers 000-000-0000 through 999-999-9999. So that would be 9,999,999,999 + 1 = 10 billion different 10-digit phone numbers.

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Help me correct this plz
adelina 88 [10]
The answer will be D) 75

To find this it’s easiest to find how many animals there are per percent. So to find this you simply have to divide 30 (the number of cats) by 40 (the percent that makes up) to find the number of animals per percent.

30/40

.75

Then you multiply this by 100 to find how many animals there are total.

.75(100)

75

5 0
3 years ago
Read 2 more answers
The gardening club wants to plant a 3.9-acre field with pine trees. The first day they were
kati45 [8]

Answer:

it will take 7 days

Step-by-step explanation:

0.6×6= 3.6 but 0.6×7=4.2 so instead of it taking 6 days since they didnt finish they need the 7th day to complete it all

7 0
3 years ago
6 3x−8≤23 AND −4x+26≥63
Airida [17]

The solution to the compound inequality given as 3x−8≤23 AND −4x+26≥63 is x ≤ 31/3 AND x ≤ -89/4

<h3>How to determine the solution to the compound inequality?</h3>

The compound inequality is given as:

3x−8≤23 AND −4x+26≥63

Rewrite properly as:

3x − 8 ≤ 23 AND −4x + 26 ≥ 63

Add to both sides of compound inequality ,the constant in the compound inequality expression

So, we have:

3x ≤ 31 AND −4x ≥ 89

Divide both sides of compound inequality, by the coefficient of the variable x in the compound inequality expression

So, we have:

x ≤ 31/3 AND x ≤ -89/4

hence, the solution to the compound inequality given as 3x−8≤23 AND −4x+26≥63 is x ≤ 31/3 AND x ≤ -89/4

Read more about compound inequality at

brainly.com/question/1604153

#SPJ1

8 0
1 year ago
The population of California is approximately 3.8 x 10^7, and the population of Nebraska is approximately 1.9 x 10^6. Which stat
REY [17]

Answer:

YES

Step-by-step explanation:

8 0
3 years ago
You throw a ball at a height of 6 feet above the
Alexandra [31]

Answer:

0.375 second and 3.5 second

Step-by-step explanation:

The position can be modeled by a quadratic function \displaystyle{h=-16t^2+62t+6}. We are tasked to find the time when a ball reaches a height of 27 feet. Therefore, let h = 27:

\displaystyle{27=-16t^2+62t+6}

Solve for t:

\displaystyle{27-6=-16t^2+62t}\\\\\displaystyle{21=-16t^2+62t}\\\\\displaystyle{16t^2-62t+21=0}

Since the equation is quite complicated and more time-consuming to solve, i'll skip the factoring or quadratic part:

\displaystyle{t=0.375, 3.5}

After done solving the equation, you'll get t = 0.375 and 3.5 seconds. These solutions are valid since both are positive values and time can only be positive.

Hence, it'll take 0.375 and 3.5 seconds for a ball to reach 27 feet.

3 0
2 years ago
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