Answer:
c. how late it is in the evening is a function of the length of time the shutter needs to stay open.
Answer:70%
Step-by-step explanation: Convert the fraction to a decimal, then multiple by 100.
7/8 = x/48
Perform cross multiplication:
a/b = c/d
ad = bc
a = 7 ; b = 8 ; c = x ; d = 48
7*48 = 8x
336 = 8x
336/8 = x
42 = x
7/8 = 42/48
42 ÷ 6 = 7
48 ÷ 6 = 8
KP - break this one down to three parts: Total cost of shirts, total cost of shirts and the skirt, and then including tax.
3 T-shirts for $25.67 each would be 3 * 25.67 = 77.01
Shirts and skirt would be 77.01 + 23.55 = 100.56
Tax can be found quite a few different ways, the easiest of which would be multiplication.
8% = .08
100.56 (total cost of clothes) * .08 (tax) = $8.05
Now just add tax and total cost of the clothes. Because of rounding, our answer might be slightly different but that's okay because it's multiple choice and only 1 answer makes sense!
Answer:
Number of carbon atoms present in the sample are 391.
Step-by-step explanation:
We are given that,
Ratio of carbon to hydrogen atoms = 1 : 4
It is given that a sample of methane consists of 1564 hydrogen atoms.
Let the carbon atoms in the sample = x
So, we have the relation,
i.e. 
i.e. 
i.e. x= 391
Hence, the number of carbon atoms present in the sample are 391.
