Discover how IDNLearn.com can help you find the answers you need quickly and easily. Get the information you need from our community of experts, who provide detailed and trustworthy answers.

In the exponential growth model y = 2.4(1.5)x, identify the initial amount, the growth factor, and the percent
increase.



Sagot :

Answer:

x=8

Step-by-step explanation:

1

(x+2)=

2

1

(x−4)

Use the distributive property to multiply  

5

1

 by x+2.

5

1

x+

5

1

×2=

2

1

(x−4)

Multiply  

5

1

 and 2 to get  

5

2

.

5

1

x+

5

2

=

2

1

(x−4)

Use the distributive property to multiply  

2

1

 by x−4.

5

1

x+

5

2

=

2

1

x+

2

1

(−4)

Multiply  

2

1

 and −4 to get  

2

−4

.

5

1

x+

5

2

=

2

1

x+

2

−4

Divide −4 by 2 to get −2.

5

1

x+

5

2

=

2

1

x−2

Subtract  

2

1

x from both sides.

5

1

x+

5

2

2

1

x=−2

Combine  

5

1

x and −

2

1

x to get −

10

3

x.

10

3

x+

5

2

=−2

Subtract  

5

2

 from both sides.

10

3

x=−2−

5

2

Convert −2 to fraction −

5

10

.

10

3

x=−

5

10

5

2

Since −

5

10

 and  

5

2

 have the same denominator, subtract them by subtracting their numerators.

10

3

x=

5

−10−2

Subtract 2 from −10 to get −12.

10

3

x=−

5

12

Multiply both sides by −

3

10

, the reciprocal of −

10

3

.

x=−

5

12

(−

3

10

)

Multiply −

5

12

 times −

3

10

 by multiplying numerator times numerator and denominator times denominator.

x=

5×3

−12(−10)

Do the multiplications in the fraction  

5×3

−12(−10)

.

x=

15

120

Divide 120 by 15 to get 8.

x=8