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lubasha [3.4K]
3 years ago
10

4 people can paint a house in 6 hours

Mathematics
1 answer:
Oduvanchick [21]3 years ago
4 0

Answer:

1 people can paint the house in 1:30 hours

and 3 people can paint in 4:30 hours

4 people can paint a house in 6 hours

1 people can paint a house = 6/4

= 1:30 hours

3 people can paint a house = 1:30 X 3

= 4:30 hours

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Mrs. Nestler enjoys listening to classical music. She has the following audio CDs by her favorite composers in her collection: 4
ivolga24 [154]

Answer:

10.55% probability

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

The order in which the CDs are chosen is not important. So we use the combinations formula to solve this question.

1 Bach CD, from a set of 4.

1 Beethoven CD, from a set of 6.

1 Brahms CD, from a set of 3.

1 Handel CD, from a set of 2.

So, D=144

4 CDs from a set of 4+6+3+2 = 15.

So, T= 1365

p= D/T= 144/1365 = 0.1055

10.55% probability that she will choose one by each composer

4 0
3 years ago
Brainliest if correct
Ira Lisetskai [31]

the answer does be A

7 0
2 years ago
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I don't understand pls help
MrMuchimi
Twilight was liked by half the class because if you add up the number of students you get 24 and half of 24 is 12
(Hope this helped)
3 0
3 years ago
There are 5 pink marbles and 4 orange marbles in a bag. Madison will randomly pick two marbles out of the bag without replacing
Vesnalui [34]
Your answer would be A
7 0
3 years ago
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A polynomial p has zeros when I = 0.2 = -
Rainbow [258]

Answer:

p(x) = (5x - 1) (x + 3)

Step-by-step explanation:

I apologize if I couldn't answer correctly, the question was a bit hard to understand because of the formatting.

Also I didn't see my answer in the list of answer choices but here it is:

if the polynomial has zeros at 0.2 and -3 the equation would have to be:

p(x)=(x-0.2)(x+3)

This is because plugging either of those numbers into the polynomial would cause it to equal 0.

(x-0.2) can be simplified by multiplying everything in the parenthesis by 5, getting rid of all of the decimals, making the final answer:

p(x) = (5x - 1) (x + 3)

5 0
3 years ago
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