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DIA [1.3K]
3 years ago
10

AWARDING BRAINLIEST!

Mathematics
2 answers:
vaieri [72.5K]3 years ago
7 0

Answer:

4

Step-by-step explanation:

starting weight: 65

65-5=60

60/15=4

JulsSmile [24]3 years ago
3 0

Answer:

4 lbs per day

Step-by-step explanation:

Take the final weight and subtract the starting weight

65-5 = 60

Divide by the number of days

60/15 = 4

The average rate of change is 4 lbs per day

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3(x-1) - 8 = 4(1+x) +5. Too hard, i keep getting confused
svet-max [94.6K]

3(x-1)-8=4(1+x)+5  

One solution was found :

                  x = -20

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                    3*(x-1)-8-(4*(1+x)+5)=0  

Step by step solution :

Step  1  :

Equation at the end of step  1  :

 ((3•(x-1))-8)-(4•(x+1)+5)  = 0  

Step  2  :

Equation at the end of step  2  :

 (3 • (x - 1) -  8) -  (4x + 9)  = 0  

Step  3  :

Step  4  :

Pulling out like terms :

4.1     Pull out like factors :

  -x - 20  =   -1 • (x + 20)  

Equation at the end of step  4  :

 -x - 20  = 0  

Step  5  :

Solving a Single Variable Equation :

5.1      Solve  :    -x-20 = 0  

Add  20  to both sides of the equation :  

                     -x = 20

Multiply both sides of the equation by (-1) :  x = -20

One solution was found :

                  x = -20

hope this is wht u wanted

4 0
3 years ago
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gladu [14]

Answer:

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Step-by-step explanation:

8 0
3 years ago
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In 2020, there were about 260 million gas powered cars on the road. This number isexpected to decrease at a rate of 1.1% per yea
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This is an equation of exponential decay

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=248.7473796 million

=24874737.96

Rounding to a whole number

= 24874738

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