Answer:
a=72° b = 6°
Step-by-step explanation:
answer is in pic
Answer:
- x + y ≤ 25
- 1.75x + 2.50y ≤ 75
Step-by-step explanation:
- Paperback books = x
- Hard cover books = y
<u>Number of books:</u>
<u>Cost of books:</u>
The system above is the one we need
A triangle interior angles add up to 180
so we have 3:4:5
the ratio of the angles
3+4+5=12
therefor 180=12 units
divide by 12
15=1 unit
subsitute
find the smallest unit
3
3 times 15=45
answer is 45 degrees
Answer:
he can do a lap in 14 seconds
and he can swim 4 laps in 56 seconds
Step-by-step explanation:
Answer:
180 hope that helps :) jdojod