Answer:
X^2+6X-7=0
Step-by-step explanation:
To identify the quadratic equation use the following method
(X-a)(X-b)=0
Where
a=-7
b=1
(X+7)(X-1)=0
X^2+7X-X-7=0
X^2+6X-7=0
Answer:
26 times
Step-by-step explanation:
Given
Without Coupon
per trip
With Coupon

per trip
Required
The number of trips to be taken for both option (i.e. with or without coupon) to be equal
<em>See comment for complete question</em>
Let the number of trips in a month be x.
<u>Without Coupon</u>
Total amount is:


<u>Without Coupon</u>
Total amount is:


To get x, we simply equate both options

Collect like terms


Answer:
8 green tshirts
Step-by-step explanation:
The ratio of apple and cranberry juice is 4:5
The price of 1 pint of apple juice is $0.45
The price of 1 pint of cranberry juice is $0.08
from the ratio given, the price amount of apple juice in the mixture will be:
4/5×0.45=$0.36
the price amount of cranberry juice in the mixture will be:
1/5×0.08=$0.016
the price of the mixture will be given by:
0.36+0.016
=$0.376
The answers and work is attached below