Answer:
![x = + - 7\sqrt{2 + 7}](https://tex.z-dn.net/?f=x%20%3D%20%20%2B%20%20-%20%20%207%5Csqrt%7B2%20%2B%207%7D%20)
or in decimal form:
x = 16.89 , -2.89
You get this by completing the square.
First multiply 12 by 8 to get 96
that is the total amount of seats including the broken ones. then multiply 3 by 4 to get the section of broken seats. 3 being the amount of rows that have broken seats an 4 is the amount of broken seats per row. you wind up with 12 broken seats.
Now subtract 12 from 96 to get 84 functional seats
Answer:
20/7
Step-by-step explanation:
Answer:
B. Dan walked uphill, then downhill.
Step-by-step explanation:
The place that the slope went up is based on the distance from the starting point, so the distance is up then down. I hope this helped and please mark me as brainliest!
Answer:
<h2>A. m∠A = m∠O </h2>
Step-by-step explanation:
![\triangle CAT\cong\triangle DOG\\\\\text{Therefore:}\\\\\angle C\cong\angle D\\\angle A\cong\angle O\\\angle T\cong\angle G\\CA\cong DO\\CT\cong DG\\AT\cong OG](https://tex.z-dn.net/?f=%5Ctriangle%20CAT%5Ccong%5Ctriangle%20DOG%5C%5C%5C%5C%5Ctext%7BTherefore%3A%7D%5C%5C%5C%5C%5Cangle%20C%5Ccong%5Cangle%20D%5C%5C%5Cangle%20A%5Ccong%5Cangle%20O%5C%5C%5Cangle%20T%5Ccong%5Cangle%20G%5C%5CCA%5Ccong%20DO%5C%5CCT%5Ccong%20DG%5C%5CAT%5Ccong%20OG)