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katovenus [111]
3 years ago
11

Use the similar triangles to setup a proportion and solve for x

Mathematics
1 answer:
Licemer1 [7]3 years ago
3 0

Answer:

\frac{22}{12} = \frac{x}{10}

Step-by-step explanation:

ΔUSA ≅ ΔPAL

\frac{AU}{AP} = \frac{US}{PL}

\frac{22}{12} = \frac{x}{10}

x = \frac{220}{12} = \frac{55}{3} = 18\frac{1}{3}

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What would P(A|B) be?
Ipatiy [6.2K]
P(A \cap B) = P(A) \cdot P(B)

so

P(A) = \frac{P(A \cap B)}{P(B)} = \frac{2/3}{3/4} = \frac{8}{9}

also, if A or B happens but not both, you add the chances and subtract the chance that both are happening.

P(A|B) = P(A) + P(B) - P(A \cap B) = \frac{8}{9} +\frac{3}{4} - \frac{2}{3} = \frac{35}{36}

4 0
3 years ago
En una panadería se elaboraron 140 panes diarios, el 25% son conchas, 10% cortadillos, 40% donas y 25% bolillos. Cada pieza de p
torisob [31]

Answer:

Se obtuvo $ 448 de ganancia por la venta de donas.

Se obtuvo $ 280 de ganancia por la venta de bolillos.

Step-by-step explanation:

1) <em>¿Cuanta ganancia se obtuvo en la venta de donas?</em>

La ganancia es el producto del porcentaje producido de donas, expresado como razón, el precio unitario de la dona y el total producido de panes. Es decir:

C = \frac{40\,donas}{100\,panes}\times (140\,panes)\times \left(8\,\frac{USD}{dona} \right)

C = 448\,USD

Se obtuvo $ 448 de ganancia por la venta de donas.

2) <em>¿Cuanta ganancia se obtuvo en la venta de bolillos?</em>

La ganancia es el producto del porcentaje producido de bolillos, expresado como razón, el precio unitario del bolillo y el total producido de panes. Es decir:

C = \frac{25\,bolillos}{100\,panes}\times (140\,panes)\times \left(8\,\frac{USD}{bolillo}\right)

C = 280\,USD

Se obtuvo $ 280 de ganancia por la venta de bolillos.

3 0
3 years ago
Which of the following expressions does not equal: the sixth root of 81x^4y^8
DerKrebs [107]
\sqrt[6]{81x^4y^8}=\left[3^4x^4(y^2)^4\right]^\frac{1}{6}=\left[\left(3xy^2\right)^4\right]^\frac{1}{6}\\\\=\left(3xy^2\right)^{4\cdot\frac{1}{6}}=\left(3xy^2\right)^\frac{2}{3}\to A\\\\=\left(3xy^2\right)^\frac{2}{3}=\sqrt[3]{\left(3xy^2\right)^2}=\sqrt[3]{9x^2y^4}\to D\\\\=\left(3xy^2\right)^\frac{2}{3}=\left(3x\right)^\frac{2}{3}y^{2\cdot\frac{2}{3}}=\left(3x\right)^\frac{2}{3}y^\frac{4}{3}\to B\\\\\\Answer:C
4 0
4 years ago
The product of 3 and a number is 39
Ivahew [28]

Answer:

Algebraic expression ; 3x = 39

Step-by-step explanation:

Let the unknown number be x

3\times x = 39\\\\3x = 39

Further solving

\mathrm{Divide\:both\:sides\:by\:}3\\\\\frac{3x}{3}=\frac{39}{3}\\\\Simplify\\\\x =13

7 0
3 years ago
Read 2 more answers
The surface of a rectangular table has an area of 8 square feet and a perimeter of 12 feet. What are the dimensions of the table
nirvana33 [79]

Answer:

4 ft by 2 ft

Step-by-step explanation:

4*2=8

4+4+2+2=12

7 0
3 years ago
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