Ask question

Ask question

All categories

3 years ago

8

An object travels 4/5 miles in one half hour. what is its speed in miles/ hour

1 answer:

creativ13 [48]3 years ago

6 0

<span>The object's speed is 8/5 miles per hour or 1.6 mph.</span>

You might be interested in

What would be a equation for (5,2) and (0,7)?

Genrish500 [490]

$\bf (\stackrel{x_1}{5}~,~\stackrel{y_1}{2})\qquad (\stackrel{x_2}{0}~,~\stackrel{y_2}{7}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{7}-\stackrel{y1}{2}}}{\underset{run} {\underset{x_2}{0}-\underset{x_1}{5}}}\implies \cfrac{5}{-5}\implies -1 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{2}=\stackrel{m}{-1}(x-\stackrel{x_1}{5}) \\\\\\ y-2=-x+5\implies y = -x+7$

6 0

3 years ago

Anyone help me with this? I will give you brainiest!

kow [346]

3 necklaces were sold and they have got 45 revenue

4 0

3 years ago

Read 2 more answers

Which congruence theorem can be used to prove △ABC ≅ △DBC?

Tema [17]

Answer:

SAS

Step-by-step explanation:

Hope this helps :)

7 0

3 years ago

The population of a town grows at a rate proportional to the population present at time t. The initial population of 500 increas

Mazyrski [523]

Answer:

The population in 40 years will be 1220.

Step-by-step explanation:

The population of a town grows at a rate proportional to the population present at time t.

This means that:

$P(t) = P(0)e^{rt}$

In which P(t) is the population after t years, P(0) is the initial population and r is the growth rate.

The initial population of 500 increases by 25% in 10 years.

This means that $P(0) = 500, P(10) = 1.25*500 = 625$

We apply this to the equation and find t.

$P(t) = P(0)e^{rt}$

$625 = 500e^{10r}$

$e^{10r} = \frac{625}{500}$

$e^{10r} = 1.25$

Applying ln to both sides

$\ln{e^{10r}} = \ln{1.25}$

$10r = \ln{1.25}$

$r = \frac{\ln{1.25}}{10}$

$r = 0.0223$

So

$P(t) = 500e^{0.0223t}$

What will be the population in 40 years

This is P(40).

$P(t) = 500e^{0.0223t}$

$P(40) = 500e^{0.0223*40} = 1220$

The population in 40 years will be 1220.

7 0

3 years ago

Listen just answer I neeed help, but I don’t

adelina 88 [10]

Answer:

look below

Step-by-step explanation:

I'll go in order from top to bottom

$5\frac{2}{3}$

$1\frac{5}{9}$

$6\frac{1}{2}$

$6\frac{1}{3}$

$5\frac{1}{2}$

5 0

3 years ago