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Georgia [21]
2 years ago
11

Li Jun decides to model the rate at which the number of cavities a person has changes as the volume of acidic beverages the pers

on drinks increases.
What would be an appropriate unit for Li Jun's purpose?
Mathematics
1 answer:
Rasek [7]2 years ago
5 0

Answer:

cavities per liter

Step-by-step explanation:

Li Jun is measuring the number of cavities a person has as compared to the volume of acidic beverages the person drinks.  

An appropriate unit for the number of cavities is cavities.

An appropriate unit for the volume of drink is liter.

This makes an appropriate unit for the rate would be cavities/liter.

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the birth rate in a certain country in 1994 was 14,6 birthd per thousand population. in 2004 the birth rate was 14.32 per thousa
amm1812

Answer:

y(x)=-0.028x+14.6

Step-by-step explanation:

Birth Rate in 1994 =  14.6 births per thousand population.

Birth Rate in 2004 =  14.32 births per thousand population.

A linear equation is of the form: y=mx+c

Where:

  • x=years after 1994
  • y=the birth rate
  • m=Yearly Birth Rate

First, we determine the birth rate per year

m=\dfrac{14.32-14.6}{10-0}\\=\dfrac{-0.28}{10}\\m=-0.028

Therefore, a linear equation that relates y in terms of x is of the form:

y(x)=-0.028x+c

When x=0, y=14.6

14.6=-0.028(0)+c

c=14.6

Therefore, the linear equation that relates y in terms of x is:

y(x)=-0.028x+14.6

4 0
3 years ago
Angie and Kenny play online video games. Angie buys 1 software package and 3 months of game play. Kenny buys 2 software packages
irga5000 [103]

Answer:

$10

Step-by-step explanation:

cost of one month of game play = x

1(35) + 3x + 2(35) + 5x = 185

35 + 70 + 8x = 185

105 + 8x = 185

-105           -105

8x = 80

/8.     /8

x =10

7 0
1 year ago
it took Bob 55 minutes to clean the garbage. How many seconds did it take bob?there are 60 seconds in one minute please help me
defon

Answer:

3,300 sec

Step-by-step explanation:

7 0
3 years ago
27millimeters. 1cm/10mm
Alla [95]
If you would like to know how many centimeters are 27 millimeters, you can calculate this using the following steps:

1 cm ... 10 mm
x cm = ? ... 27 mm

1 * 27 = 10 * x
27 = 10 * x    /10
x = 27/10
x = 2.7 cm

The correct result would be 2.7 cm.
5 0
3 years ago
Read 2 more answers
How would you graph, y=-x-2
Natali5045456 [20]
Well you would start at Y= 0(-x) -2. So (0, -2) then you would move to the left by 1 and move down by 1. 
6 0
3 years ago
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