For the 1st hour the cost is $50 whatever is the duration (providing it's 1 hour max.
From one hour and onward the cost becomes an additional $25 per quater of an hour.
If y is the cost and x the number of hours, then the equation becomes :
y =50 + 0.25.x or y =1/4x + 50
Answer:
-6<x<2
Step-by-step explanation:
Answer:
- C. length = 23 cm; width = 7 cm
Step-by-step explanation:
<u>Let the width is x, then the length is:</u>
<u>Perimeter is:</u>
- P = 2(l + w)
- 60 = 2(x + 2x + 9)
- 30 = 3x + 9
- 3x = 21
- x = 7
<u>Dimensions are:</u>
- Width = 7 cm, length = 2*7 + 9 = 23 cm
Correct choice is C
Answer:Her score is 26
Step-by-step explanation:
To find the answer, we must deduct the total amount of points that are answered correctly
By the total amount of points that are answered incorrectly.
Because = 1 answered correctly = 4 points
= 1 answered incorrectly = deduct 7
points
So= 87 answered correctly × 4 points
= 348 points
So= 46 answered incorrectly × 7 points
=deduct 322 points
Then the answer will be= 348 - 322= 26
Hope this helps!