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Burka [1]
3 years ago
14

It takes 63 minutes for 4 people to paint 9 walls.

Mathematics
2 answers:
Vladimir [108]3 years ago
8 0

Answer:


Step-by-step explanation:

16

borishaifa [10]3 years ago
5 0
I think i am too late
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Does anyone get this? <br> The answers are <br> A - 22.8 <br> B - 25.5 <br> C - 14.1<br> D - 31.2
Rom4ik [11]

Answer:

Step-by-step explanation:

I think your supposed to add all those numbers together

5 0
3 years ago
Read 2 more answers
I have to get this so I pass help plz
pshichka [43]

Answer:

\boxed{\sf x=-2}

\boxed{\sf y=-4}

Step-by-step explanation:

<u>First, Let's  solve for x in -2x+2y=-4:</u>

\sf -2x+2y=-4

<u>Subtract 2y from both sides:</u>

\sf -2x+2y-2y=-4-2y

\sf -2x=-4-2y

<u>Divide both sides by -2:</u>

\sf \cfrac{-2x}{-2}=-\cfrac{4}{-2}-\cfrac{2y}{-2}

\bold{ x=y+2}

<u>Now, we'll substitute x=y+2 to 3x+3y=-18:</u>

\sf 3x+3y=-18

→ let x=2+y

\sf 3\bold{(2+y)}+3y=-18

<u>Simplify:</u>

\sf 6+6y=-18

<u>Now, let's solve for y in 6+6y=-18</u>

\sf 6+6y=-18

<u>Subtract 6 from both sides:</u>

\sf 6+6y-6=-18-6

\sf 6y=-24

<u>Divide both sides by 6:</u>

\sf \cfrac{6y}{6}=\cfrac{-24}{6}

\bold{ y=-4}

<u>Now, substitute y=-4 into x=2+y:</u>

\sf x=2+y

→ let y = -4

\sf x=2+\bold{-4}

\bold{x=-2}

Therefore, x=-2 and y=-4.

<u>_____________________________________</u>

5 0
2 years ago
Rewrite the equation by completing the square.
kkurt [141]

Step-by-step explanation:

.

.

.

.

.

..1

1

1

1

1

2

2

2

3

3

3

34

4

4

45

5

5

5

56

6

6

5i d

s

6

5 0
3 years ago
WILL GIVE BRAINLET !!!<br> 2 1/12 + 4/12 ( show how u her the answer )
spin [16.1K]

Answer:

2 5/12

Step-by-step explanation:

you can combine two fractions if they have the same denominator (bottom number) by adding the numerators (top numbers) and keeping the bottom number the same.

1/12+4/12 is the same as 1+4 you just put the sum over 12:

2 1/12+4/12= 2 5/12

it can also be written as 29/12

8 0
3 years ago
A bag contains 6 blue coins and 7 red coins. A coin is removed at random and replaced by three of the other color.
Karo-lina-s [1.5K]
1/4 or maybe even 100grams of blow
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