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ziro4ka [17]
3 years ago
9

Plz explain how do you get the answer

Mathematics
1 answer:
ASHA 777 [7]3 years ago
7 0

profit on the twenty-five $50 radios

= 25*(50*0.08)=$100

Loss on the six $30 radios

= 6*(30*0.15) = $27


Combined result of both transactions

= $100-27

=$73 (profit)


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UkoKoshka [18]

Answer:

Original function:

 

f(x) = log2(x)

 

 Transformed function:

 

f(x) = -log2(x - 1) + 2

 

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A log cannot have a negative value for an argument.  Set the argument greater than zero.

 

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To find the range, use the domain.

 

Evaluate f(1.00001), f(2) , f(200), and f(2000)

 

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3 years ago
1/3m- 1- 1/2n when m = 21 and n = 12
andrezito [222]

1/3m - 1 - 1/2n

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3 years ago
2(6x + 1) - 4(x - 5) = -2
mr_godi [17]

Answer:

x=−3

Step-by-step explanation:

2(6x+1)−4(x−5)=−2

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12x+2+−4x+20=−2

(12x+−4x)+(2+20)=−2(Combine Like Terms)

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Step 2: Subtract 22 from both sides.

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Step 3: Divide both sides by 8.

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Veseljchak [2.6K]

Answer:

1)\\\large\boxed{x=\dfrac{a+c}{b},\ if\ b\neq0}\\\\2)\\\boxed{if\ a=\dfrac{63b}{23}\ then\ x\ is\ any\ real \ number}\\\\\boxed{if\ a\neq\dfrac{63b}{23}\ then\ x\ not\ exist\ (no\ solution)}

Step-by-step explanation:

1)\\a-(a+b)x=(b-a)x-(c+bx)\qquad\text{use the distributive property}\ a(b+c)=ab+ac\\\\a-ax-bx=bx-ax-c-bx\qquad\text{cancel}\ bx\ \text{on the right side}\\\\a-ax-bx=-ax-c\qquad\text{add}\ ax\ \text{to both sides}\\\\a-bx=-c\qquad\text{subtract}\ a\ \text{from both sides}\\\\-bx=-a-c\qquad\text{divide both sides by}\ -b\neq0\\\\x=\dfrac{-a-c}{-b}\\\\x=\dfrac{a+c}{b}

2)\\2(3x-5a)+9(2a-7b)+3(5a-2x)=0\\\\\text{use the distributive property}\ a(b+c)=ab+ac\\\\(2)(3x)+(2)(-5a)+(9)(2a)+(9)(-7b)+(3)(5a)+(3)(-2x)=0\\\\6x-10a+18a-63b+15a-6x=0\qquad\text{combine like terms}\\\\(6x-6x)+(-10a+18a+15a)-63b=0\\\\23a-63b=0\qquad\text{add}\ 63b\ \text{to both sides}\\\\23a=63b\qquad\text{divide both sides by 23}\\\\a=\dfrac{63b}{23}\\\\if\ a=\dfrac{63b}{23}\ then\ x\ is\ any\ real \ number\\\\if\ a\neq\dfrac{63b}{23}\ then\ x\ not\ exist\ (no\ solution)

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4 years ago
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