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andrew11 [14]
3 years ago
6

Is my answers correct?

Mathematics
1 answer:
scoundrel [369]3 years ago
6 0
Yes they are correct good job
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At a large museum, there are 60 people in each tour group.
sineoko [7]

Answer: (2,120) (6,360) (8,480)

Step-by-step explanation: since every group has 60 people 2x60=120 6x60=360 8x60=480

3 0
3 years ago
X + y = 10<br> x - y = 2
lys-0071 [83]

Answer:

x=6

y=4

Step-by-step explanation:

just find the number that will match or u could just plug in one of those number and find other number

4 0
3 years ago
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Solve x2+12x=-11 by completing the square . Which is the the solution set of the equation?
Dmitriy789 [7]

Answer:

{- 11, - 1 }

Step-by-step explanation:

Since the coefficient of the x² term is 1 , to complete the square

add (half the coefficient of the x-term )² to both sides

x² + 2(6)x + 36 = - 11 + 36 ← complete the square on the left side

(x + 6)² = 25 ( take the square root of both sides

\sqrt{(x+6)^2} = ± \sqrt{25}

x + 6 = ± 5 ( subtract 6 from both sides )

x = - 6 ± 5

x = - 6 + 5 = - 1 or x = - 6 - 5 = - 11




8 0
3 years ago
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Multiply a number n by 5, and then add 3 to product
joja [24]

Answer:

5n+3

Step-by-step explanation:

4 0
3 years ago
You just received your final exam score from your teacher. At the top of the exam, it says you missed three questions and got 42
Leno4ka [110]

Answer:

below

Step-by-step explanation:

I would guess that they added 42 and 45 and then added 1 for their mistake. That might be a bit of stretch, but that is what I think

3 0
3 years ago
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