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svetlana [45]
2 years ago
7

Afia bought shoes that were on sale for `30\%` off the regular price. Afia saved `\$12`. What was the regular price of the shoes

Mathematics
2 answers:
kvasek [131]2 years ago
6 0

[Hello,BrainlyUser]

Answer:

$40

Step-by-step explanation:

Original Price = P

30% = .30 or .3

30% of P = 12

.3P = 12

P =12/.3 = $40

~[CloudBreeze]~

Vesnalui [34]2 years ago
5 0

Answer:

$40

Step-by-step explanation:

30% = .30

$12/0.30 = 40

[RevyBreeze]

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Step-by-step explanation:

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The masses mi are located at the points Pi. Find the moments Mx and My and the center of mass of the system. m1 = 4, m2 = 3, m3
viva [34]

Answer:

M_x= 8

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Step-by-step explanation:

Center of mass: Center of mass of an object is a point on the object. Center of mass is the average position of the system.

Center of mass of a triangle is the centriod of a triangle.

Given that m₁= 4, m₂=3, m₃=3 and the points are P₁(2,-3), P₂(-3,1) and P₃(3,5)

M_x = ∑(mass × x-co-ordinate)

M_y = ∑(mass × y-co-ordinate)

Therefore  

M_x = (4×2)+{3×(-3)}+(3×3)

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M_y = {4×(-3)}+{3×1}+(3×5)

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The x co-ordinate of the center of mass is the ratio of M_x to the total mass.

The y co-ordinate of the center of mass is the ratio of M_y to the total mass.

Total mass (m) = m₁+ m₂+ m₃

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The y co-ordinate of the center of mass is \frac{6}{10}=\frac{3}{5}

Therefore the co-ordinate of the center of mass is = (\frac{4}{5},\frac{3}{5})

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