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sesenic [268]
3 years ago
8

Alexis exercises 75 minutes a day. She does weight training, which burns an average of 7.5 calories per minute. Write a polynomi

al to represent the amount of calories Alexis burns in one day if she does x minutes of weight training?
Mathematics
1 answer:
Natali [406]3 years ago
7 0
7.5 multipled by 75 is 562.5 cal. per day 
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80 members decreased by 65%
LekaFEV [45]
Do a proportion
65/100= x/80

Cross multiply and divide
80 x 65= 5, 200
5, 200 divided by 100 is 52
52 members left
80-52= 28
Answer is 28 members
5 0
3 years ago
Aldon and Jamal raised the same amount of money for the school fundraiser. Aldon
Naddika [18.5K]

Answer: $5

Step-by-step explanation: This can be represented by the equation

40 + 12T = 25 + 15T

We just solve for T.

Subtract 12T from both sides

40 = 25 + 3T Subtract 25

15 = 3T Divide by 3

5 = T

7 0
3 years ago
8. Bob bought a pair of tennis shoes on sale
mr_godi [17]

Answer:

20%

Step-by-step explanation:

So, I would set this up as a proportion-

72          x

90        100

Cross multiply-

100 x 72 = 7200

Divide-

7200/90 = 80

Subtract-

100 - 80 = 20

So, it is a 20% decrease

4 0
3 years ago
An employee currently makes $10 per hour and will be given yearly raises if performance evaluations are satisfactory. Assuming a
OleMash [197]

Answer:

C) If the yearly raise is $3 per hour then the relationship is linear and the hourly rate "n" years from now will be h0 = 10 and hn = (hn − 1)(3) for n = {1,2,3, ...}.

Step-by-step explanation:

j put c

6 0
3 years ago
Read 2 more answers
If f(x)=3x + 2 and g(x)=2x - 2 what is (f-g)(x)?
omeli [17]
(3x+2)-(2x-2)
3x+2-2x-2
3x-2x=x
2-2+0
X
4 0
3 years ago
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