Base=x+7 Height=x Area=60. 60=((x+7)(x))/2----->60=(x^2+7x)/2
120=x^2+7x X^2+7X-120=0. QUDRATIC FORMULA: -7+/- SQRT(49+480)/2
(-7+/-23)/2... 8 and -15. -15 ISNT the answer because you cant have a negative length. X=8 Base=8+7---->15 Height=8
You can graph it but cant answer it because there is two variables so try and change it to slope intercept form do you know how ???????
Let C present amount of change
The expression is C = 50 - d
First of all she said meters instead of centimeter.
and 2 she added a decimal point in between 7 and 5.
Natural number
that is 1,2,3,4,5,6...