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Daniel [21]
3 years ago
7

Anita works at a local news station and needs to decide which news story to report first. Of the news stories, 3 are local, 4 ar

e international, and 5 national. The stories are equally important so anita randomly orders the stories. What is the probability that the first story is a national story. Give your answer as a fraction
Mathematics
1 answer:
Alexxx [7]3 years ago
7 0
Answer: 5/12

In order to solve this, you would add up all of the news stories she has and then put the number of national stories on top of the total news stories to give you 5/12. (There’s a total of 12 news stories and 5 of them are national.)
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ycow [4]

Answer:

The answer is 132

Step-by-step explanation:

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3 years ago
Help me pls
aksik [14]

Answer:

We know that Amber decided to mail copies of her photo to the 45 residents of her grandmother's assisted living facility, and after this, the function representing the photo shares is:

f(x) = 3*(4)^x + 45

We do not know the initial function, but with the given information we can assume that the original equation is:

g(x) = 3*(4)^x

Then the new function is:

f(x) = g(x) + 45.

This is a vertical translation, remember that for a function h(x), a vertical translation of N units is written as:

k(x) = h(x) + N

if N is positive, we have a translation of N units up

if N is negative, we have a translation of N units down.

in this case we have;

f(x) = g(x) + 45

This means that f(x) is a vertical translation of 45 units of g(x), then:

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4 0
2 years ago
Ina a class of 30 children,60% can swim. how many children cannot swim?
rewona [7]
60% of the total (30) can swim
60% of 30 = (60/100)*30 = 0.60*30 = 18
So 18 children can swim

This means 30-18 = 12 cannot swim

---------------------------------------------------------

An alternative is to do it this way: 

We know 60% can swim so that means 40% cannot swim. 
Notice how 100% - 60% = 40%
Or in other words, the 60% and 40% add to 100%. This is because we have two choices: either the person can swim or cannot swim

Since 40% cannot swim, this means
40% of 30 = (40/100)*30 = 0.40*30 = 12
and we get the same result as before

---------------------------------------------------------

Final Answer: 12
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Answer:

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Step-by-step explanation:

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ASAP Lots of points!! 100 points!! Which expression is equivalent to 2^4 ⋅ 2^−7?
Goryan [66]

Answer:

the answer for this is:

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you then have 2^-3

remove the negative exponent by rewriting as 1/(2^3)

Step-by-step explanation:

6 0
3 years ago
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