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belka [17]
3 years ago
7

HELP

Mathematics
1 answer:
Aleks [24]3 years ago
3 0

Answer:

c) 6

Step-by-step explanation:

This is a straight-forward application of the Law of Cosines:

... a² = b² + c² -2bc·cos(A)

... a² = 8² +11² -2·8·11·cos(32.2°) ≈ 64 +121 -176·0.8462

... a² ≈ 36.07000

... a ≈ 6.00583

The best choice is c) 6.

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An initial deposit of $45,000 grows at an annual rate of 10% for 20 years. Compare the final balances resulting from continuous
Ugo [173]

Answer:

Annual:         $302 737.50

Continuous: $332 507.52

Step-by-step explanation:

A. Compounded annually

The formula for <em>compound interest</em> is

A = P(1 + r)ⁿ

Data:

P = $45 000

r  = 10 %

t = 20 yr

Calculations:

n = 20

A = 45 000(1+ 0.10)²⁰

  = 45 000 × 1.10²⁰

  = 45 000 × 6.727 499 95

  = $302 737.50

B. Compounded continuously

The formula for <em>continuously compounded inerest</em> is

A = Pe^{rt}

A = 45 000e^{0.10 \times20}

= 45 000e^{2.0}

  = 45 000 × 7.389 056 61

  = $332 507.52

4 0
3 years ago
If there are 12 eggs in a carton, how many are in 5 cartons?
Elan Coil [88]

Answer:

60

Step-by-step explanation:

12x5 is equal to 60

8 0
3 years ago
Read 2 more answers
In which quadrant does the point s(-3, -4) lie?
juin [17]

Answer:

It's in quadrant 3

5 0
3 years ago
How do you do number 2? Help please and thank you.
Dmitrij [34]

Answer:

{3,-1}

Step-by-step explanation:

m^2 -2m -3=0

What 2 numbers multiply to -3 and add to negative 2

-3* 1 = -3

-3 +1 =-2

(m-3) (m+1) =0

Using the zero product property

m-3 = 0  m+1 =0

m=3        m=-1

{3,-1}

6 0
4 years ago
What is the slope (rate of change) for the table?
kvv77 [185]

Answer:

d

Step-by-step explanation:

i did this one

3 0
2 years ago
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