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stiv31 [10]
3 years ago
13

Kevin has completed 36% of his running marathon. he has ran 9 miles. How long is the marathon?

Mathematics
1 answer:
bogdanovich [222]3 years ago
3 0

Answer:

25 miles

pls tell if I'm wrong

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Seams Personal advertises on its website that 95% of customer orders are received within four working days. They performed an au
Anna71 [15]

Answer:

500 orders

Step-by-step explanation:

500

4 0
3 years ago
Write 45% as a fraction or mixed number in simplest form.
ANTONII [103]
Simple, convert it to a decimal, first

move the decimal two places to the left

45%\\

0.45.

Then you change it into a fraction

45/100.

But, you can simplify it even more by dividing the numerator and denominator by 5.

45/5=9
and
100/5=20

Thus, it would be simplified, 9/20.
6 0
4 years ago
Read 2 more answers
These tables of values represent continuous functions. In which table do the values represent an exponential function?
vichka [17]

Answer:

The correct option is B.

Step-by-step explanation:

A function is called an exponential function if it has common ratio.

A function is called an linear function if it has common difference.

In option A.

\frac{f(2)}{f(1)}=\frac{6}{3}=2

\frac{f(3)}{f(2)}=\frac{9}{6}=\frac{3}{2}

2\neq \frac{3}{2}

Since the given table has different ratio, therefore it is not an exponential function. Option A is incorrect.

In option B.

\frac{f(2)}{f(1)}=\frac{6}{2}=3

\frac{f(3)}{f(2)}=\frac{18}{6}=3

3=3

Since the given table has common ratio, therefore it is an exponential function. Option B is correct.

In option C.

\frac{f(2)}{f(1)}=\frac{22}{10}=\frac{11}{5}

\frac{f(3)}{f(2)}=\frac{34}{22}=\frac{17}{11}

\frac{11}{5}\neq \frac{17}{11}

Since the given table has different ratio, therefore it is not an exponential function. Option C is incorrect.

In option D.

\frac{f(2)}{f(1)}=\frac{8}{7}

\frac{f(3)}{f(2)}=\frac{9}{8}

\frac{8}{7}\neq \frac{9}{8}

Since the given table has different ratio, therefore it is not an exponential function. Option D is incorrect.

3 0
3 years ago
Read 2 more answers
(8.1·10^−4)^2<br> Please HELP
Mandarinka [93]

The answer is 6.561×10^−7, I put the steps in the picture. Hope this helps, have a blessed day! :-)

5 0
3 years ago
The 555 points plotted below are on the graph of y=\log_b{x}y=log
adell [148]

Answer:

See attachment for graph

Step-by-step explanation:

<em>See comment for correct question</em>

Given

y = \log_bx

Required

The corresponding points on y =b^x

On the graph, we have:

(x_1,y_1) \to (1,0)

(x_2,y_2) \to (2,1)

(x_3,y_3) \to (4,2)

(x_4,y_4) \to (8,3)

(x_5,y_5) \to (16,4)

First, we solve for b in y = \log_bx

Using laws of logarithm, the equivalent of the above is:

x = b^y

(x_2,y_2) \to (2,1) implies that:

2 = b^1

2 = b

Rewrite as:

b =2

So, the equation y =b^x becomes:

y = 2^x

Using the same values of x, we have:

(x_1,y_1) = (1,2)

(x_2,y_2) = (2,4)

(x_3,y_3) = (4,16)

(x_4,y_4) = (8,256)

(x_5,y_5) = (16,65536)

<em>See attachment for graph</em>

7 0
3 years ago
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