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RoseWind [281]
3 years ago
8

A principal of $3100 is invested at 5.5% interest, compounded annually. How much will the investment be worth after 7 years?

Mathematics
1 answer:
Ad libitum [116K]3 years ago
6 0

Answer:

$4501.51

Step-by-step explanation:

Because you're compounding annually, which is only once per year, you can use a simple formula:

A(t)=P(1+r)^{t}

Filling in our info gives us

A(t)=3100(1+.055)^7

Do the adding inside the parenthesis and then raise 1.055 to the 7th power to get

A(t)= 3100(1.454679161)

A(t)= $4509.51

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Gala2k [10]

Answer:

D and C

Step-by-step explanation:

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3 0
3 years ago
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Use square roots to solve the equation x2 = −25 over the complex numbers. Select all the solutions.
Nezavi [6.7K]

Answer:

E and A

Step-by-step explanation:

7 0
3 years ago
9th grade math help me please and thank you sosomuch
Varvara68 [4.7K]

Answer:

The system is consistent; it has one solution ⇒ D

Step-by-step explanation:

A consistent system of equations has at least one solution

  • The consistent independent system has exactly 1 solution
  • The consistent dependent system has infinitely many solutions

An inconsistent system has no solution

In the system of equations ax + by = c and dx + ey = f, if

  1. a = d, b = e, and c = f, then the system is consistent dependent and has infinitely many solutions
  2. a = d, b = e, and c ≠ f, then the system is inconsistent and has no solution
  3. a ≠ d, and/or b ≠ e, and/or c ≠ f, then the system is consistent independent and has exactly one solution

In the given system of equations

∵ -2y + 2x = 3 ⇒ (1)

∵ -5y + 5x = 12 ⇒ (2)

→ By comparing equations (1) and (2)

∵ -2 ≠ -5

∵ 2 ≠ 5

∵ 3 ≠ 12

→ By using the 3rd rule above

∴ The system is consistent independent and has exactly one solution

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7 0
3 years ago
Scott signed a two-year lease for a monthly rent of $505. How much will
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4 0
3 years ago
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EleoNora [17]

Answer:

  927 cubic inches

Step-by-step explanation:

The area of the octagonal base is ...

  A = (1/2)Pa

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  A = (1/2)(8·4)(4.83) = 77.28 . . . square inches

The volume of the prism is given by ...

  V = Bh

where B represents the area of the base, and h is the height.

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The volume of the prism is about 927 cubic inches.

4 0
3 years ago
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