Answer:
Why???
Step-by-step explanation:
Answer:
7.6 ft² ( to 1 dec. place )
Step-by-step explanation:
given 2 sides of a triangle and the angle between them, the area (A) is calculated using the formula
A =
ac sin B
= 0.5 × 4 × 13 × sin 17° ≈ 7.6
Given:X: The blue marbles.
3X: The red marbles.
A box contains
144 marbles.
SOLVING:X + 3X = 144
4X = 144
X =

X = 36
===> The blue marbles.If there are
3 times as many red marbles as there are blue marbles:
3(36) = 108
===> The red marbles. SOLUTION
TESTING:

GOOD LUCK...!!!
Answer:
16
Step-by-step explanation:
16 divided by 4=4
16+4=20
20 divided by 5=4