4 years ago

for 2 hours, Lia drove at the speed of 60 mph ,and for the next 3 hours,at the speed of 50mph.What was Lia's average speed durin

g this trip

1 answer:

5 0

$\bf \begin{array}{ccllll}
hours&speed\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
1&60\\
2&60\\
3&50\\
4&50\\
5&50
\end{array}\qquad \textit{average speed}\implies \cfrac{60+60+50+50+50}{5}$

You might be interested in

Find the roots of the polynomial equation. x^2+2x−48=0

Zanzabum

(x+8)(x-6)= 0
x^2-48+8x-6x=0
x^2-48+2x=0
x+8=0 x-6=0
x= -8 x=6
The answer is -8 and 6, I did the process in case you need it

3 0

3 years ago

A part of a whole that has<br> one hundred parts.

Anna11 [10]

$\frac{1}{100}$

is the correct answer!

6 0

3 years ago

Write an expression for each quantity

Ira Lisetskai [31]

28) 7w
30) x/16
32) I/12

4 0

4 years ago

A pink paint mixture uses 4 cups of white paint for every 3 cups of red paint.

Flura [38]

Answer:

cant see the table

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

What is the x-intercept? <br> 2x-6y= 18

Wittaler [7]

The x-intercept is (9,0). Hope it help!

6 0

3 years ago