Use decimals like 6.5 + 6.5= 13
Answer:
1. She must collect 45 more skins.
Step-by-step explanation:
300/100 = 3
3 = 1%
50 x 3 + 150
35 x 3 + 105
150 - 105 + 45
12 hours, if you multiply 50 by 12 it will give you 600 and add the 400
Answer:
2. 137°
3. 24.7°
Step-by-step explanation:
Using cosine law:
2. 28² = 12² + 18² - 2(12)(18)cosA
cosA = -79/108
A = 137.0107361°
3. 15² = 19² + 30² - 2(19)(30)cosC
cosC =259/285
C = 24.66381079°
Answer:
$1.70
Step-by-step explanation:
If $8.50 is for 5 ounces divide both sides by 5. 5/5=1 and 8.50/5 is 1.70. So $1.70 is the price per ounce.
