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ANEK [815]
2 years ago
12

Please I’m confused…

Mathematics
1 answer:
Anika [276]2 years ago
4 0

Answer:

I believe it should be

4 : 1 : 200

Step-by-step explanation:

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6(y+4)- 13 = 2(y–3)+9
Lady bird [3.3K]

Answer:

y = -2

Step-by-step explanation:

6y + 24 - 13 = 2y - 6 + 9

6y + 11 = 2y + 3

4y = -8

y = -2

6 0
3 years ago
In ABC, O is the centroid of the triangle and AO is 12.7 m. Find the length of OY and AY.​
ratelena [41]

Answer:

\boxed{OY = 6.35 m} \\\boxed{AY=19.05 m}

Step-by-step explanation:

The centroid of a triangle always cuts a triangle perfectly at 2/3.

What I mean by this is that the line that touches the tip of the triangle and touches the median of the base is cut into one third and its other part is cut into two thirds of the whole segment. This segment is AY.

Knowing this, I can tell that OY is 1/3 of the length of AO, which is given to be 12.7 m.

To find OY, make an equation where AO and OY add up to AY.

  • 12.7+\frac{1}{3} x=x

The variable x represents the length of AY, and 1/3x represents the length of OY (because it is one-third of AY).

Solve the equation by subtracting 1/3x from both sides.

  • 12.7=\frac{2}{3} x

Divide both sides by 2/3.

  • x=19.05

Now we know the length of AY (x). To find the length of OY substitute this value of x into 1/3x, which represents OY.

\frac{1}{3} (19.05)

This gives us 6.35, which is the length of OY.

The final answers are:

  • OY = 6.35 m
  • AY = 19.05 m
3 0
3 years ago
Select the correct answer.
madreJ [45]

Answer:

y=1/2x+2

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(4-3)/(4-2)

m=1/2

y-y1=m(x-x1)

y-3=1/2(x-2)

y=1/2x-2/2+3

y=1/2x-1+3

y=1/2x+2

4 0
3 years ago
Pls answer my question i am not sure
bixtya [17]

Answer:

Calculation: 3 1/2 - 4 1/7 - fraction calculator. ... How do you solve fractions step by step? ... to divide mixed numbers 1 2/3 : 4 3/8 or can be used for write complex fractions i.e. 1/2 : 1/3.

8 0
3 years ago
Read 2 more answers
A department store buys 100 shirts at a cost of $800 and sells them at a selling price of $10 each. Find t
Pachacha [2.7K]

Answer:

125%

Step-by-step explanation:

they sold the shirtsto the store at 8 $. they now sell for 10, so 10/8 is 125%

8 0
3 years ago
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