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RideAnS [48]
3 years ago
15

3. El Sr. López desea invertir en un préstamo de $33,000 al 2.3% de interés anual

Mathematics
1 answer:
Svetllana [295]3 years ago
4 0
A=P(1+(r/n))^nt
A: total
P: capital inicial
r: el interés anual
n: mensualmente/trimestralmente/etc.
t: después de _ años/meses/etc.

A=3300(1+(0.023/4))^4(5)

~ $37,009.63

**No sé si esta es la manera que tú lo resuelves, pero así lo aprendí yo en mi clase de matemáticas.
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The perimeter of a triangle with two equal sides is 46 cm. If it's base were lengthened by 3 cm and each leg were shortened by 5
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Answer:

The original triangle has sides of 18 cm, 18 cm and 10 cm

Step-by-step explanation:

Let x cm be the length of the leg of the original triangle and y cm be the length of the base of the original triangle.

1. Since the perimeter of the original triangle is 46 cm, then

x+x+y=46.

2. If it's base were lengthened by 3 cm, then it becomes y+3 cm. If each leg were shortened by 5 cm, then each leg becomes x-5 cm. All three sides became equal, then

y+3=x-5.

3. Solve the system of two equations:

\left\{\begin{array}{l}2x+y=46\\x-5=y+3\end{array}\right.\Rightarrow \left\{\begin{array}{l}2(y+8)+y=46\\x=y+8\end{array}\right.,\ 2y+y=46-16,\ 3y=30,\ y=10\ cm.

Then x=10+8=18\ cm.

3 0
3 years ago
Let U be the universal set, where U=(1,2,3,4,5,6,7,8,9)let sets A and B. be subsets of U, whereA=(2,3,8,9) and B=(1,2,3,5)
Black_prince [1.1K]

(A U B) = {1, 2, 3, 5, 8, 9}

(A U B)^c = {4, 6, 7}

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A^c ∩ B^c = {4, 6, 7}

8 + 3(4 + 5)

8 + 3(9)

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Answer:One plane can be drawn so it contains all three points.

Step-by-step explanation:

Points  R,S,T are given .  

If the three  points are co-linear, there are infinitely many planes through the line that contains the three points.

If we  have three distinct points in 3-space then there is a plane that contains these three points.

The third statement holds true for three points R,S and T.

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<h2>LOL.</h2>

2(3a + 5) + 8(a - 1)

= 6a + 10 + 8a - 8

= 6a + 8a + 10 - 8

= 14a + 2

<h3>Answer: Choice C. [ 14a + 2 ]</h3>

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