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4 years ago

HELP WILL MARK YOU BRAINLIEST NO GUESSES PLZ!!!!

Mathematics

1 answer:

pishuonlain [190]4 years ago

6 0

Answer B is correct.

Hope this helped :)

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If 5 men or 10 women can complete any work in 50 days. Than in how many days 8 men and 4 women complete that whole work?

Mumz [18]

Firstly, let’s assume the the whole capacity the work requires is 1.

Then, let’s see how 1 man can do in 50 days: 1/5.

Further, let’s see how 1 man can do in 1 day : 1/(5×50) = 1/250.

Similarly, let’s see how 1 woman can do in 1 day: 1/(10×50) = 1/500.

Now, we have 8 men, and they can do 8*1/250 in 1 day, which is 4/125.

Besides, we have 4 women, and they can do 4×1/500 in 1 day, which is 1/125.

Therefore, all people we have can do 4/125 + 1/125 of the work in 1 day, which is 1/25.

As a result, the work takes 1/(1/25)= 25 days.

8 0

3 years ago

Factor the trinomial below x^2+7x-30

Triss [41]

Answer:

(x + 10)(x - 7)

Step-by-step explanation:

It is 3 and 10 in some order. The difference is 7 and it is plus, so the larger number is +10 and the smaller one - 3

(x + 10)(x - 3) should be the answer

10x - 3x = 7x

5 0

4 years ago

Tina babysits children in her neighborhood. When Tina is asked her rate, she tells her neighbors that she charges $15 for the fi

OLga [1]

The amount charged is an illustration of a linear equation.

Tina charges $39 for 4 hours

The given parameters are:

$Base = 15$ --- amount charged for the first hour

$Rate = 8$ --- amount charged for the extra hours

If Tina babysits for 4 hours, it means that:

She will charge $15 for the first hour
$8 for the extra 3 hours

So, the total charges is:

$Total = 15 + 3 \times 8$

$Total = 15 + 24$

$Total = 39$

The ordered pair is (4,39)

It means that:

She charges $39 for 4 hours

Read more about linear functions at:

brainly.com/question/20286983

7 0

2 years ago

Eight more than three times a number is equal to the sum of the number and 10. find the number

Afina-wow [57]

Answer:

8+3x=x+10

2x=2

x=1

The number is 1

6 0

3 years ago

15. Find the difference between the sum of 378 and 401 and the product of 43 and 17.

iogann1982 [59]

Answer:

the answer to your question is 1510

4 0

3 years ago