You determine which one to use by seeing which one would be easier
elimination: 5x + 7y = 2
-5x + 6y = 6
substitution: y = 9x + 5
2y = 7x + 2
Answer:
$79 total earnings
Step-by-step explanation:
Here, earnings = (hourly rate)(number of hours):
= ($8.30/hr)(6 hrs) + ($7.30/hr)(4 hrs), or
Total earnings = $49.80 + $29.20
" " = $79.00
d) Aislinn's average per month on her car is 1,751 miles per month.
<h3>How to find the average speed?</h3>
The average speed is calculated by dividing the total distance traveled by the total time it took to travel that distance. Speed is the rate at which something moves at any given time.
Average speed is the average rate of speed over the course of a journey. Velocity exists as the directional speed of a moving object as an indication of its rate of change in position as observed from a specific frame of reference and measured by a specific time standard.
Given,
After 8 months, the odometer read 14,010 miles.
Solution:
t = 8,
d = 14,010 miles,
s = ?
s = d/t
s = 14,010/8
s = 1751 miles/month.
Aislinn drove an average of 1,751 miles per month.
To learn more about average, refer
brainly.com/question/130657
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Okay so John needs to buy 7.6 quarts of paint so he would spend 26.55 on paint.
Hope this helps:)
