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Svetach [21]
3 years ago
7

Jdjdjshdhdbdnfndbdbddgggvvvvdfffdd

Mathematics
1 answer:
Nikolay [14]3 years ago
3 0

Answer:

Can I please have Brainlyest

Step-by-step explanation:

Hope you have a great day LOL :)

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David can finish painting the room in six hours and his elder brother Anthony can finish it in four hours if both brothers paint
lbvjy [14]

Answer:

2.4 hours

Step-by-step explanation:

David's time = 6 hours

Anthony's time = 4 hours

the combined time is given by the following formula

1/ (david's time) + 1/(anthony's time) = 1/total time

1/6 + 1/4 = 1/Total

4/24 + 6/24 = 1/Total

10/24 = 1/ total   (taking reciprocal of both sides)

24/10 = total

total time = 24/10 = 2.4 hours

5 0
3 years ago
LCD to rewrite 5/9 and 1/6 with the same denominator.
Margaret [11]

Answer:

10/18 and 3/18

3 0
3 years ago
Read 2 more answers
In order to solve the following system of equations by subtraction, which of
PSYCHO15rus [73]

Answer:

option d.

Step-by-step explanation:

<em>Multiply the top equation by 3 and the bottom equation by 4.</em>

7 0
3 years ago
What is the sign of 3x y3xy3, x, y when x&gt;0x&gt;0x, is greater than, 0 and y&lt;0y&lt;0y, is less than, 0?
jekas [21]

Answer:

Negative

Step-by-step explanation:

We\ have\ to\ find\ sign\ of\ 3xy^3\\\\x>0\ and\ y0,y

4 0
4 years ago
Read 2 more answers
Find the perimeter of the triangle .
lawyer [7]

Answer:

P = 9x + 22

Step-by-step explanation:

Perimeter = sum of all sides

P = (3x + 11) + (3x + 11) + (3x)

P = 9x + 22

I hope this helps! God bless

5 0
2 years ago
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