15% of 400 = x
.15 x 400 = x
X = 60 (tip)
400 + 60 = 460
Answer:
D. x ≤ -18
Step-by-step explanation:
-x/6 ≥ 3
Multiply both sides by 6.
-x ≥ 3 × 6
-x ≥ 18
Multiply both sides by -1 and reverse the inequality.
x ≤ 18 × -1
x ≤ -18
Answer:
A rectangle
Step-by-step explanation:
Plot it carefully on grid paper. You will see that opposite sides are congruent making it a parallelogram, but adjacent sides are not, so it is not a square or a rhombus. Also each two adjacent sides are perpendicular, so it makes it a rectangle.
Answer:
The answer is 600 minutes (10 hours)
Step-by-step explanation:
20 minutes = 1 student.
30 students x 20 = 600 minutes
600mins / 60 (because an hour has 60 mins) = 10 hours.
Answer:
X= -4
Step-by-step explanation:
