Answer:
1) x = -2
Step-by-step explanation:
1) x + 7 + x + 11 = 14
2x + 18 = 14
2x = 14 - 18
2x = -4
x = -4/2 = -2
Answer:
151.4496
Step-by-step explanation:
Take the sum of its bases, multiply the sum by the height of the trapezoid, and then divide the result by 2
<span>x2 − 8x + 16
= (x - 4)(x - 4)
= (x - 4)^2</span>
Answer:
4 beacause when we multiply it will be 8.9523
Answer:
3 students
Step-by-step explanation:
If everyone in the class has either a pierced nose or ear, we just simply have to add up the total number of hands raised and minus the number of students in the class.
35+8=43
43-40=3
3 students have both a pierced nose and pierced ear.
