Carl types 180 words in 2 minutes. What is the mnunber of words Carl types in 5 minutes at this rate?
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4(n-4)=-12 need solution for this how to show work for this
What is an equivalent expression to (24a+56b)
Jessica stuffed bear has a mass of 400 grams. What is its mass in milligrams?
There were 2.4 cups of water in Barkley's waterdish. He drank 1.33 cups. How much water is still inthe water dish?
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The area is 4 4/9 feet².
City:
-Athens
-Berlin
-London
-Paris
-Rome
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Answer: They can visit all 5 cities in 120 different ways
Step-by-step explanation: If the family has the option of visiting five different cities in Europe, and they intend to visit all of them, then they can visit any one first and go on to another one, and so on till they exhaust all their options.
However, there is the option of which to visit first, which to visit second, and so on. This means if they decide for example, to start with Athens then they may decide to visit any of the four other cities afterwards in more than one way, and this is because all the other four cities equally have the option of being number two. So with Athens at number one, we have the other four equally likely to be number two, and so on.
To make this less cumbersome, we shall apply the formula for permutations. Rather than counting numbers of arrangements like described above, Keisha's family can use the permutation formula which is;
Pₙ = n!
Where n is the number of available options,
P₅ = 5!
P₅ = 5 x 4 x 3 x 2 x 1
P₅ = 120
Hence, the family can arrange their trip to Europe in 120 different orders
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20* .15=3
she missed 3 questions.
20-3=17
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40:80:8
The equivalent ratio is
? : ? : 5
In the first ratio, look at the number in the same position as the 5 in the second ratio and compare it to the other 2 numbers. 80 is 10 times 8, and 40 is 5 times 8. Bring that same ratio down to the equivalent ratio...
5 x 10 = 50
5 x 5 = 25
The equivalent ratio is
25:50:5
The 8 on the first row is proportional to the 5 on the second row. For them to get 5 on the second row they multiplied the 8 by (5/8). I found that out by dividing the second number which was 8 by the first number which was 5.
So, 8 × (5/8) = 5. Since everything is proportional, we can multiply (5/8) to the other numbers on the first row to find out their numbers on the second row.
40 * (5/8) = 25
80 * (5/8) = 50
Those are the new numbers. If you have any questions then leave a comment. Good luck!
11 • 17 – 11x
B.
17 – 11x
C.
11 • 17 – x
D.
11 + 17 – x
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For example: 10 time 2 = 20
14 times 2 = 28
so 20/28 is equivalent to 10/14 :)