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Allushta [10]
3 years ago
15

What is 21,079,000.29 rounded to the nearest hundred thousand

Mathematics
2 answers:
forsale [732]3 years ago
8 0

21,100,000

Because the digit in the ten thousands place is greater than 5, you round the 0 in the hundred thousands place up to 1

Ymorist [56]3 years ago
3 0
The answer would be 21,000,000.00
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The difference of the square of a number and 28 is equal to 3 times that number
Pepsi [2]

Answer:

- 4, 7

Step-by-step explanation:

Let the required number be x.

Therefore, according to the given condition:

{x}^{2}  - 28 = 3x \\  {x}^{2}  - 3x - 28 = 0 \\  {x}^{2}  - 7x + 4x - 28 = 0 \\ x(x - 7) + 4(x - 7) = 0 \\ (x - 7)(x + 4) = 0 \\ x - 7 = 0 \: or \: x + 4 = 0 \\ x = 7 \: or \: x =  - 4 \\

5 0
3 years ago
. Jumbo bought 5 books, each with a whole-number price.
Trava [24]

Mean is average. Multiply total books by the mean to find the total cost:

5x 10 = $50 total.

Subtract the highest and lowest prices to find the total of the remaining 3 books.

50 - 15-6 = 29

The median price was 8, this is the middle number, subtract 8 from 29 to get the cost of the last 2 books:

29-8 =21

Now you need a price lower than the median but higher than the lowest cost so that has to be 7

Subtract 7 from 21 to get the cost of the last book 21-7 = 14

The price of the remaining books is $7 and $14

3 0
3 years ago
Read 2 more answers
Look at the graph of connected points in the plane which make up a function,
mihalych1998 [28]

Answer:

-2 ≤ f(x) ≤ 4

Step-by-step explanation:

The range is the set or group of all the y-coordinates of the function. This means it has all the values from the bottom point at -2 to the top point at 4. It is written as an inequality.

-2 ≤ f(x) ≤ 4

7 0
3 years ago
What is the minimum unit cost of C(x)=0.7^2-210x+27,464?
Vika [28.1K]
No local extrema i think?
6 0
2 years ago
The average smoker typically pays 15% higher life insurance costs than the average non-smoker. If the monthly cost to a non-smok
Maksim231197 [3]

Answer:

$75

Step-by-step explanation:

The average smoker pay 15% life insurance than the non-smoker

The monthly cost of a non-smoker is $500 per month

Therefore the amount that would be paid by the average smoker in a month can be calculated as follows

= 500 × 15/100

= 500 × 0.15

= 75

Hence the amount to be paid is $75

5 0
3 years ago
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