Answer:
The dealership should be concerned because the probability is over 25%
Answer:
$3.75
Step-by-step explanation:
Given:
Natalie buys a cooper wire that is 3 feet long.
The cost of the wire is $1.25 per foot.
Question asked:
What is the total cost, in dollars, of Natalie's wire?
Solution:
<u>By unitary method:</u>
Total length of wire = 3 feet
Each foot of wire cost = $1.25
3 feet of wire cost = $1.25
3 = $3.75
Thus, total cost of wire is $3.75
To solve this problem, you need to set up a proportion. If she jogs 6 miles per hour, then this can be written as
. If there are 5280 feet in a single mile, then first we multiply the two proportions like this:
![\frac{6(miles)}{1(hr)} * \frac{5280(ft)}{1(mile)}](https://tex.z-dn.net/?f=%5Cfrac%7B6%28miles%29%7D%7B1%28hr%29%7D%20%2A%20%5Cfrac%7B5280%28ft%29%7D%7B1%28mile%29%7D)
The two 'mile' values cancel each other out, so then just multiply
. This equals to 31680 feet per hour. Now let's convert to seconds.
, or 360 seconds every hour. Since hours are much longer than seconds, multiply 31680 by the reciprocal of 360, so that it makes sense.
![31680 * \frac{1}{360}](https://tex.z-dn.net/?f=31680%20%2A%20%5Cfrac%7B1%7D%7B360%7D)
She runs 88 feet per second.
Geometry ahh I wish I could help. :'(
Answer:
15
Explanation:
Substitute the value of the variable into the expression and simplify to obtain an answer.