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CaHeK987 [17]
3 years ago
8

Can you please help me with 2,3,4 and 5. Will mark brainliest.

Mathematics
1 answer:
crimeas [40]3 years ago
8 0
Exact
Approximation
Estimate
Exact
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Sofia can type the work in 10 hours. Nova can do it in 15 hours. They work together for 4 hours, then Sofia and Nova finish the
AlladinOne [14]

Answer:

2 days.

Step-by-step explanation:

Let, Sofia can type the x amount of work in 10 hours.

So, in one hour Sofia can type \frac{x}{10} amount of work.

Again, Nova can type x amount of work in 15 hours.

So, in one hour Nova can type \frac{x}{15} amount of work.

Hence, if they work together, they can type \frac{x}{10} + \frac{x}{15} = \frac{6x + 4x}{60} = \frac{10x}{60} = \frac{x}{6} amount of work in one hour.

Therefore, working together they can type the x amount of work in \frac{x}{\frac{x}{6} } = 6 days.

So, they have to work for (6 - 4) = 2 days more to finish the work. (Answer)

6 0
4 years ago
Read 2 more answers
Which inequalities are equivalent to n+15 <22? Select three options.
alexandr1967 [171]

Answer:

Option 1)

n+15-15

Option  3)

n+15-22

Option 4)

n+15+6

Step-by-step explanation:

We are given an inequality in the question:

n+15

We have to find the inequalities equivalent to the given inequality.

1)

n+15-15

which is equivalent to the given inequality.

2)

n+15

which is not equivalent to the given inequality.

3)

n+15-22

which is equivalent to the given inequality.

4)

n+15+6

which is equivalent to the given inequality.

5)

n+15-22

which is not equivalent to the given inequality.

5 0
3 years ago
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Write a system of equations representing the situation to find the price of each large candle, x and each small candle, y.
vazorg [7]

Just in total the answer is $960

3 0
3 years ago
Putanginang math yan ba't pa kasi naimbento hayop napakahirap puta​
Elza [17]

Answer:

ito yung nang loko sakin sabi sabi na crush tas ganun pala ang galing

Step-by-step explanation:

salamat sa points

7 0
3 years ago
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Thelma owes Louise twelve dollars and has ten dollars in her wallet. expression plz
vaieri [72.5K]

Answer:

Subtraction. 12 minus 10 is 2

Step-by-step explanation:

8 0
3 years ago
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