Answer:
$3
Step-by-step explanation:
The magazine=$5 so 3+3 equals 6.
6+5 =11
-9-16 = 0-9-16 = 0-25 = -25
Answer:
3
Step-by-step explanation:
If y varies directly with x, we have:
When y=12, x=4
Substituting these values into the equation
12=4k
k=12/4
k=3
The constant of proportionality is 3.
Answer:
To find a percent of the number, you need to convert the percentage into fractions or decimals. Then, multiply the fraction by the number.
Step-by-step explanation:
1. 60, 90,120,150,180,210,240,270
2. 65/100 x 200/1 = 2 x 65= 130\
3.5/100 x 180/1 = 9
Answer:
Mass = no. of molecules / 6.023 * 10^ 23 * Molar mass
Step-by-step explanation:
Molar mass of CO2 = 44g/mol
1.5
⋅
10
25
6.023
⋅
10
23
= 51.5 moles of CO2
51.5
⋅
44g/mol
=
2266 grams
Hope this helped
