Answer:
2,57 * 10^5 or 257000
Step-by-step explanation:
(5,14 * 10^9) / (2 * 10^4) =
2,57 * 10^5 =
257000
Answer:
9 words per minute
Step-by-step explanation:
Theres 72 words in 8 minutes, so to get her words to minute ratio you do 72 divided by 8 to get 9, words per minute.
3x+6, you have to distribute the negative to get the parentheses away and simplify
If a function has roots -1 and -5, it must be in the form

We can fix the coefficient a by imposing the passing through (0,-30):

So, the function is

Given:
Karen earns $54.60 for working 6 hours.
Amount she earns varies directly with the number of hours she works.
She need to work to earn an additional $260.
To find:
Number of hours she need to work to earn an additional $260.
Solution:
Let the amount of earnings be A and number of hours be t.
According to question,

...(i)
where, k is constant of proportionality.
Karen earns $54.60 for working 6 hours.

Divide both sides by 6.


Put k=9.1 in (i).

Substitute A=260 in the above equation.

Divide both sides by 9.1.



Therefore, she need to work extra about 29 hours to earn an additional $260.