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WINSTONCH [101]
3 years ago
5

The domain of F(x)=log[b]x is the set of all real numbers. True or false?

Mathematics
1 answer:
tia_tia [17]3 years ago
6 0
f(x)=log_bx\\\\D=\mathbb{R}\ is\ false.\\\\correct\ domain:D:x\in\mathbb{R^+}\ and\ b\in\mathbb{R^+}\ and\ b\neq1.
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a train travels 16 miles in 20 minutes . at this rate how many minutes will it take to tavel 12 miles
asambeis [7]

Answer:

15 minutes

Step-by-step explanation:

distance = rate · time

16 = 20r

r = 16/20 or 4/5 miles per minute

12 = 4/5·t

4t = 12·5

t = 60/4 or 15 minutes

7 0
2 years ago
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How do i find x and y?​
Stells [14]

Answer:

x=90

y=67

Step-by-step explanation:

as the line that bisects the vertical angle of isosceles triangle perpendicularly bisects the base

so x=90

and sum of all sides of triangle is 180 so

90+23+y=180

therefore,y=67

6 0
3 years ago
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Carmen likes to ski. The ski resort where she goes to ski got 3.2 feet of snow during a 5 day period. The average daily snowfall
vaieri [72.5K]

Answer:

0.64 feet or 7.68 inches of snow on average over the 5 days.

Step-by-step explanation:

3.2/5

0.64ft

7.68in.

4 0
3 years ago
PLEASE HELP ME FAST!!!!!!!<br> who do i write the number 0.23333333333... repeating as a fraction?
PSYCHO15rus [73]
It is 23/100 just say it and then write it
3 0
2 years ago
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Which expressions are equivalent?
trapecia [35]

Only 3(a−b) and 3a−3b are equivalent

Further explanation:

We have to evaluate each expression to evaluate if the expressions are equivalent or not.

So,

<u>For 3(a−b)</u>

3(a-b)\\Distributing\ 3\ in\ bracket\\3.a-3.b\\=3a-3b

As we can see that 3(a-b) results in 3a-3b so these are equivalent

<u>For 2a(2+b)</u>

2a(2+b)\\Distributing\ 2a\\2a.2+2a.b\\=4a+2ab

As we can see that 2a(2+b) doesn't result in 4ab so these are not equivalent

Hence,

Only 3(a−b) and 3a−3b are equivalent

Keywords: Equivalent expression, Polynomials

Learn more about polynomials at:

  • brainly.com/question/4824362
  • brainly.com/question/4847829

#LearnwithBrainly

3 0
3 years ago
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