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Minchanka [31]
3 years ago
10

If a number becomes 2.5 times smaller, by what percent was it decreased?

Mathematics
2 answers:
meriva3 years ago
7 0
40% ^ like the person above me said
Gwar [14]3 years ago
4 0

Answer: 40%

Step-by-step explanation: 1 Divided by 2.5 is 0.4, or 40%.

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Mini muffins cost $3 per dozen
snow_tiger [21]

Answer:

agree with both because 1 dollar = 4 muffins so 2 x 4 = 8 muffins and 4x4 = 16 muffins

3 0
3 years ago
Which ratio is the odd one out 4:20. 3:15 8:39 1:5 10:50
Oksana_A [137]

Answer:

8:39

Step-by-step explanation:

because when simplified, all the rest are 1:5

4 0
3 years ago
Function help please
Korvikt [17]

Answer:

The first table represents a function.

Step-by-step explanation:

For it to be a function, there needs to be 1 unique y value of 1 unique x value.

  • Looking at 2nd table, we see x value of -5 is mapped to 2 different y values of -5 and 5. So this is not a function.
  • Looking at 3rd table, we see x value of -2 is mapped to 2 different y values of 2 and 4. So this is not a function.
  • Looking at 4th table, we see x value of -4 is mapped to 2 different y values of 2 and 0. So this is not a function as well.

Looking at table 1, there are no duplicate x values and each of the 4 x values map to different values. So the first table represents a function.

4 0
3 years ago
What is the asymptote for the graph of this logarithmic function?<br><br> f(x) = log3(x – 1)
Pepsi [2]

Answer:

Vertical Asymptote:

x=1

Horizontal asymptote:

it does not exist

Step-by-step explanation:

we are given

f(x)=log_3(x-1)

Vertical asymptote:

we know that vertical asymptotes are values of x where f(x) becomes +inf or -inf

we know that any log becomes -inf when value inside log is zero

so, we can set value inside log to zero

and then we can solve for x

x-1=0

we get

x=1

Horizontal asymptote:

we know that

horizontal asymptote is a value of y when x is +inf or -inf

For finding horizontal asymptote , we find lim x-->inf or -inf

\lim_{x \to \infty}  f(x)= \lim_{x \to \infty}log_3(x-1)

\lim_{x \to \infty}  f(x)=log_3(\infty-1)

\lim_{x \to \infty}  f(x)=undefined

so, it does not exist

7 0
3 years ago
Read 2 more answers
Frank invest $500 at a simple interest rate of 3%. How much interest will earn after 5 years
svet-max [94.6K]
He will earn 75 dollars


8 0
3 years ago
Read 2 more answers
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