A bag contains 4 pennies, 6 nickels, and 10 dimes. What is the probability of randomly selecting a nickel or dime from the bag?

Answers

Answer 1

Answer: 16 out of 20 (simplified is 4 out of 5) or 80%

Answer 2

Answer: There are 20 coins total and 16 of them are nickels AND dimes so...
16/20=> 4/5
80%
0.8

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There was a plate of cookies on the table. Amanda was hungry because she hadn't had breakfast, so sheate half the cookies. Then Beth came along and noticed the cookies. She thought they looked good, so she
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were on the plate to begin with?

Answers

Answer:

10 2/3

Step-by-step explanation:

So in order to figure this out you have to work backwards. First, Daniel came and took a cookie. So when he took 1 there were 3 cookies available. Next Christine took one fourth of the cookies, meaning that the 3 available cookies are the remaining 3/4's. When she got there she took 1. Then Beth came and took 1/3. For it to be 3/3 there has to be 1 and 1/3 more cookies. Now there are 5 and 1/3 cookies. Amanda came and ate half of the cookies meaning that the amount of cookies we have now is the other half that she didnt eat. 5 and 1/3 plus 5 and 1/3 is 10 and 2/3. I hope this is correct.

How do I divide a fraction to a decimal

Answers

A fraction is just a short way of showing division. When you see a fraction,
it's really saying "the top number divided by the bottom number".

If you take those two numbers and DO the division, the answer to the division
will be the decimal form of the fraction.

You divide the top by the bottom for example

1/2 =1÷2=.5

Simplify The following equations(This is algebra, so PLEASE, only answer if you KNOW FOR SURE, thank you)

3a+7b+2c-a-4b

-8a-b-(-6c)-2a-b-5c

b-4c+3a-c-9b-4a

Answers

mostly collect like terms
use associative property which is
(a+b)+c=a+(b+c)
also -a+b-c=(-a)+(b)+(-c) so you can move them around
and remember that:
you just use a general rule
x+x=2x
x^2+x^2=2x^2
3xy4xy=7xy
3x+4x^2=3x+4x^2
youcan only add like terms( like terms are terms that are same name like xor y are differnt, and like terms have same power exg x^2 and x^3 andx^1/2 and such

I will oly put the naswers because I don't have much time

first one: 2a+3b+2c

second one: remember that -(-6c)=+6c so the answer is c-10a-2b

third one: -a-8b-5c

What is 69 / 2 in a decimal

Answers

I think the answer is 34.500000

The answer to your question is 34.5

How many inches are in 6 4/5

Answers

6 4/5 yards converted into inches would be 244.8 inches.

Hope this helped :)

Use the functions f(x) and g(x) to answer the questionf(x) =4x - 5; g(x)= x+3

A. 4x - 2
B. 4x + 7
C. 4x+ 12
D.5x - 2

Answers

The answer is B. 4x + 7

The function is fg(x), so for the equation, it will be fg(x) : 4g(x) - 5, then substitute the equation of g(x) into fg(x) and you will get 4 (x + 3) - 5, then solve it by expanding

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