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Dvinal [7]
3 years ago
15

For which functions would the appropriate domain be all positive integers? A) The function f(n) models the size of a jar that ho

lds n marbles. B) The function f(y) models the number of inches a tree grows in n years. C) The function f(c) models the circumference a balloon based on radius, r. D) The function f(s) models the population of mice based on the number of n snakes in an ecosystem. E) The function f(n) models the amount of labor-hours it takes to construct n televisions that are ready to be sold.​
Mathematics
1 answer:
andreev551 [17]3 years ago
6 0

Answer:

e f and d

Step-by-step explanation:

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Solve the equation 4s2+32s=60 by completing the square
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Answer:

s = -4 ± √31

Step-by-step explanation:

Given 4s^{2} + 32s = 60

divide by 4 throughout

s^{2}  + 8s = 15\\s^{2} + 8s + (\frac{8}{2}) ^{2}  = 15 + (\frac{8}{2}) ^{2}

 (s + 4)^{2}  = 31\\s + 4 = \sqrt{31}

s = -4 ± √31

7 0
3 years ago
Number 20. if a and b are integers and a > b, then l a l > l b l
raketka [301]

.   Answer: I am pretty sure sometimes

Step-by-step explanation: if a = 6 and B = - 7, if you put them l a l > | b |

It makes them both positive so sometimes is the most probable answer .

( Sorry if it’s wrong)

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3 years ago
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5(8 - 1)?<br> kalandksns help
lana66690 [7]

Answer:

35

Step-by-step explanation:

8 - 1 = 7

7 x 5 = 35

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3 years ago
The area of a rectangular playground is 78 square meters. If the length of the playground is 13 meters, what is its width?
aleksley [76]

Answer: It’s 6 meters

Step-by-step explanation:

if we know the area and the length we need to divide the two to get the width.

78 divided by 13. = 6

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3 years ago
PLS HELP ME ASAP WITH THIS!! THANK YOU SO MUCH (read directions carefully)
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Where x is tickets at the door and y is tickets in advance:

12x+8.5y≥1000

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