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I am Lyosha [343]
3 years ago
14

A math tutor earns $40 an hour tutoring teenagers. Sometimes he will meet with two students at once and get paid $80 per hour to

tal. Is this a linear model or an exponential model?
Mathematics
1 answer:
kati45 [8]3 years ago
4 0

Answer:

It should be linear if you let the variable t represent the time tutoring for ONE student,   so   y = 40*t   where t = number of hours for ONE student

so  if the tutor taught  2 students for 2 hours together, then t = 2*2 = 4 hours

Step-by-step explanation:

y = 40t

t = tutoring hours for ONE unique student...

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Is f(x) = 5 to the power of x, growth or decay
jonny [76]

Answer:

growth

Step-by-step explanation:

5 is a positive number greater than 0 (not a decimal) making this growth

8 0
3 years ago
Both 2 and 5 are common factors of a number. The number in between 101 and 118. What is the number? Give a reason for your answe
Deffense [45]
110
2 and 5 are prime and thus share no common factors. The lowest common multiple of 2 and 5 is therefore 2 x 5 = 10. 

Your answer must be a multiple of 10 and there is only one answer in that range that fits. 

Double-check: 
110 / 2 = 55 r. 0 
110 / 5 = 22 r. 0 

3 0
3 years ago
ms. lorenz needs to rent a car for 3 days. she can choose from two plans. plan a costs $60 per day. plan b costs $30 per day plu
maw [93]

Answer:

distance driven < 300 miles.

Step-by-step explanation:

Plan A

She needs the car for 3 days.

1 day costs 60 dollars

3 days cost 60*3 = 180 So this is the maximum amount that she can spend

Plan B

She still needs the car for 3 days

1 day costs 20 dollars of the car does not move

3 days costs 3*20 = 60 dollars.

60 + 0.4m < 180                Subtract 60

0.4m < 180 - 60

0.4m < 120                        Divide by 0.4

m < 120/ 0.4

m < 300  

Answer

so she should drive less than 300 miles.

3 0
3 years ago
Janine inflated a ball to a radius of 18 cm and another ball to a radius of 12 cm.
irina [24]
Thi answer be 753.6 i wish you good marrow
6 0
3 years ago
Which expression shows 2 more than 1/5 times the sum of 7/12 and 3?
xenn [34]
The answer is D. 2+1/5×(7/12+3)
5 0
3 years ago
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