2 years ago

Help me pls it's important

Mathematics

2 answers:

Aleksandr-060686 [28]2 years ago

5 0

Answer:

55.5%

Step-by-step explanation:

Decrease is negative so It maybe - 55.5%

nalin [4]2 years ago

4 0

Answer:

50%?

Step-by-step explanation:

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nataly862011 [7]

Hello, please consider the following.

${2}^{x + 2 } = 9 \times( {2}^{x} ) - 2\\\\2^x \cdot 2^2=9\cdot 2^x-2\\\\(9-4)2^x = 2\\\\2^x=\dfrac{2}{5}\\\\\text{We take the ln.}\\\\xln(2)=ln(2)-ln(5)\\\\x=\dfrac{ln(2)-ln(5)}{ln(2)}=-1.32193...$

Let me know if you need further explanation.

Thank you

7 0

2 years ago

1. Find the inverse functions of the following a. f (x) = 5x +3

Mrac [35]

Answer:

y = 5x + 3

x = 5y + 3

5y + 3 = x

5y = x - 3

y = x/5 - 3/5

f^-1(x) = x/5 - 3/5

Step-by-step explanation:

8 0

2 years ago

Write a trinomial EXPRESSION that is equivalent to 2x(3x-2)+5(3x-2)

Alexandra [31]

Just multiply out the given expression, combine like terms and arrange them in descending order by powers of x.

2x(3x-2)+5(3x-2) => 6x^2 - 4x + 15x - 10

Combining like terms results in 6x^2 + 11x - 10 (answer)

5 0

3 years ago

What is the slope of the line? A. -5 B. 1/5 C. 5 D. -1/5

jeka57 [31]

Answer:

bag.

Step-by-step explanation:

gate66

8 0

2 years ago

Can someone HELP ME ON NUMBER 16 IM NOT SURE IM RIGHT!!!

nikitadnepr [17]

Answer:

true im not sure tho but trust me

Step-by-step explanation:

7 0

2 years ago