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adell [148]
3 years ago
15

You are looking at your power bill for the month, you pay 12 cents per kilowatt-hour. Your power bill came out to $76.49 how man

y KWH of energy were used in house this month?
Mathematics
1 answer:
Rudiy273 years ago
8 0
I’m no mathematical but I think I can help you with that
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The U.S. Weather Bureau has a station on Mauna Loa in Hawaii that has measured carbon dioxide levels since 1959. At that time, t
elixir [45]
Hmmm the increase, wel is just the difference 367 - 312, which is 55.

now, if we take 312 to be the 100%, what is 55 off of it in percentage?

\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
312&100\\
55&p
\end{array}\implies \cfrac{312}{55}=\cfrac{100}{p}\implies p=\cfrac{55\cdot 100}{312}
8 0
3 years ago
Given the vectors, a=3i+4j, b=-2i+5j, c=10i-j, d=-1/3i + 5/2j, find a+(b-c)=?
Tomtit [17]

Answer:

  a +(b -c) = -9i +10j

Step-by-step explanation:

You can use the distributive property to remove the parentheses:

  a +(b -c) = a + b - c

Add the vectors as though they were binomials.

  a + b - c = (3 -2 -10)i +(4 +5 -(-1))j = -9i +10j

4 0
3 years ago
What will be the rule?
beks73 [17]

Answer:

Step-by-step explanation:

I haven't done this in a long time so I don't know how you would write this but I will explain it.

For every 6 in puts you will get 1 out put.

also for the blank space on 42 is 7.

Hope this helps!!

4 0
3 years ago
What is 4.75=X+60.25)
Alexandra [31]

Answer:

x=-55.5

Step-by-step explanation:

4 0
3 years ago
Help me please I need help with this problem
ryzh [129]
Time it by the number before hand and you get 8 then 16 then 32 . Think about it it works and it’s a consistent continental
3 0
3 years ago
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