Answer:
-5c³d-⁴
Step-by-step explanation:
15÷3=5
for c and d we subtract powers that
Answer:
-3.09 per hour
Step-by-step explanation:
if you mean that it went down from 0° to -131.5° in 42.5 hours, divide -131.5 by 42.5 (-131.5/42.5) which gives 3.09
Answer:
about 9 pounds, 7 ounces
Step-by-step explanation:
5 ounces per week
for 4 weeks
= 5 x 4 = 20 ounces gained thought these 4 weeks
Now add
8 Pounds, 3 ounces + 20 ounces = 9 pounds, 7 ounces
Answer:
P = - 8
Step-by-step explanation:
Given
P = x + y ← substitute x = - 5 and y = - 3
P = - 5 + (- 3) = - 5 - 3 = - 8
Divide the silver present in the bar by the total weight of the bar to find the percentage of silver in the bar.
![30 / 42 = 0.7142](https://tex.z-dn.net/?f=30%20%2F%2042%20%3D%200.7142)
Multiply this decimal by 100 for the percentage.
![.7142 * 100 = 71.42](https://tex.z-dn.net/?f=.7142%20%2A%20100%20%3D%2071.42)
Rounded to the nearest tenth
, 71.4% of the weight of the bar is silver.